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Acid Rain Definition :

Acid rain is rain consisting of water droplets that are acidic due to the polluted atmosphere, which we know is caused mainly through large amounts of sulphur and nitrogen released by cars and industrial processes.

Wet Deposition

When the acid chemicals get blown over areas that have wet weather, the acid falls to the ground in the form of rain, snow, fog and mist.

Dry Deposition

In areas where the weather is dry, the acid chemicals mix with dust or smoke and fall to the ground, sticking to the ground, buildings, homes, cars, and trees.

What causes Acid Rain?

1. One of the causes of acid rain is volcanic eruptions, but its main cause is the release of sulphur dioxide and nitrogen oxide during fossil fuel combustion.

2. These gases when released into the atmosphere react with the water, oxygen, and other gases and chemicals present to form various acidic compounds - sulphuric acid and nitric acid.

3. These acids then disperse over large areas because of wind and fall back to the ground as acid rain or other forms of precipitation.

Effects of Acid Rain

1. Acid rain does not directly affect human health because the acid present in the rain water is very dilute.

2. Acid rain damages buildings, monuments and statues especially those made of limestone and marble as they contain large amounts of calcium carbonates. The calcium compounds react with the acid in the rain, damaging them.

3. Exhaust gases from the Mathura Refinery greatly affected the Taj Mahal at Agra.

4. Acid rain causes harm to our rivers, streams and lakes. As acid rain falls on trees, it can make them lose their leaves, damage their bark, and stunt their growth.

5. Acid falling on a forest's soil is also harmful because it disrupts soil nutrients.

For more environment related articles and videos, visit: Environment for Kids

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What is Acid Rain? - Environment for Kids | Mocomi

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Acid rain is rain consisting of water droplets that are acidic due to the polluted atmosphere, which we know is caused mainly through large amounts of sulphur and nitrogen released by cars and industrial processes. When the acid chemicals get blown over areas that have wet weather, the acid falls to the ground in the form of rain, snow, fog and mist.

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https://www3.epa.gov/acidrain/education/site_kids/index.htm

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https://www3.epa.gov/acidrain/education/site_students/whatisacid.html

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Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear in many forms. Wet deposition is rain, sleet, snow, or fog that has become more acidic than normal. Dry deposition is another form of acid deposition, and this is when gases and dust particles become acidic. Both wet and dry deposition can be carried by the wind, sometimes for very long distances. Acid deposition in wet and dry forms falls on buildings, cars, and trees and can make lakes acidic. Acid deposition in dry form can be inhaled by people and can cause health problems in some people.

What is acidity?
Acidic and basic are two ways that we describe chemical compounds. Acidity is measured using a pH scale. A pH scale runs from zero (the most acidic) to 14 (the most basic or alkaline). A substance that is neither basic or acidic is called "neutral", and this has a pH of 7.

More about the pH scale and how pH is measured.

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Acid Rain Students Site: What is acid rain?

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Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear in many forms. Wet deposition is rain, sleet, snow, or fog that has become more acidic than normal.

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Here are addresses for facilities related to the HK Environmental Protection Department. There are addresses related to landfills, refuse [rubbish] transfer, water treatment facilities, recycling and air quality monitoring facilities.

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Office & Facilities | Environmental Protection Department

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Here are addresses for the offices of the HK Environmental Protection Department. There is a main address (headquarters) and addresses for different regions in Hong Kong.

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Office & Facilities | Environmental Protection Department

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Watch the video to see how plastic pollution affects our sea and beaches.

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Clean up the beaches of Kure Atoll in this game.

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Jean-Michel Cousteau : Ocean Adventures . Fun and Games . Kure Waste Chase | PBS

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In the PBS series, Jean-Michel Cousteau: Ocean Adventures, take a voyage to the Northwestern Hawaiian Islands, learn about why sharks are at risk, follow along with a gray whale as it navigates an obstacle course along its migration, explore the National Marine Sanctuaries, and join the crew members as they get to know the flora and fauna of the Amazon River Basin.

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G. In the Unit Book, the text talks mostly about chemicals polluting our oceans. However, we can't ignore another huge source of sea and beach pollution - rubbish, especially discarded plastic.

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oceans photographs water pacific ocean pictures atlantic ocean indian ocean arctic ocean fish sharks scuba diving snorkelling kelp coral

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Polluted Ocean Photos -- National Geographic

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Habitats -- Ocean Pollution Pictures, Wallpapers, Download -- National Geographic

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Play the games to keep the water clean and unpolluted!

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Kids' Science Challenge: Fun Educational Science Resources!

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The Kids' Science Challenge is chock full of inspiring videos, fun games, and downloadable hands-on science activities. Our Science Careers page provides resources for future scientists from elementary through college.

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Why don't Ms Nyoko Natural or Cholena Feathers have to use pesticides? How does Bruce Wayne deal with pests in an environmentally friendly way? What advice does Kakar Blade have about fertilisers? Find out by clicking around the gardens of Green Street.

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MWSP has a number of interactive stewardship games. Play along to see how you can take part in Michigan environmental stewardship.

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Take on the role of Mayor of Sweetwater Village - how will your decisions affect water pollution in the area?

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YOU have just been elected the new mayor of this pleasant village and now must make decisions that will effect the quality of water in Sweetwater Lake. Sweetwater Lake'sAmBASSador will escort you during your journey.

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What do you put down the drain? Click either urban (city) or rural (countryside). Then click on the orange drains one by one and answer honestly about what you put down the sink, toilet, etc. Are you creating as little pollution as possible?

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Play MWSP's interactive online clean water games. Interactive learning is great for an environmental education.

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Look at the picture and click on anything you see which is wasting or polluting water.

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What's Wrong with This Picture?

The people below are taking care of their home and car, but they are doing many things that can damage the environment, especially our water. Click on the places where you think someone's activities might be harming the environment and find out if you are right.

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Student's Activity for Nonpoint Source Pollution Awareness | US EPA

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The people below are taking care of their home and car, but they are doing many things that can damage the environment, especially our water. Click on the places where you think someone's activities might be harming the environment and find out if you are right.

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Rubbish and pollution that enters rivers eventually reaches the sea. The area where a river meets the sea is called an estuary.

This story and game help you understand more about pollution.

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Find the source of infection in a national park in this game.

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How do epidemiologists track disease outbreaks? Find out as you try to trace a mysterious new illness to its source.

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What are aquifers and how are they at risk from pollutants? Find out here.

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Thirstin's Build Your Own Aquifer Lesson

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Learn some new vocabulary related to water through this online quiz.

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Factories use a lot of water to make things - but our everyday activities can also use up a lot of water. Try the matching game to see how much water is needed for different activities.

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We're so lucky to live in a country which gives us access to clean water. It's important that we treasure it and don't waste it. Learn about smart water usage on this US government website, then play the game and try to answer the questions.

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Why Save Water

Did you know that less than 1% of all the water on Earth can be used by people? The rest is salt water (the kind you find in the ocean) or is permanently frozen and we can't drink it, wash with it, or use it to water plants.

As our population grows, more and more people are using up this limited resource. Therefore, it is important that we use our water wisely and not waste it.

Simple Ways to Save Water

There are many simple things we can do to save water. Learn from the water-efficiency hero Flo what you can do today to help protect our water supply!

Turn off the Tap!

Just by turning off the tap while you brush your teeth in the morning and before bedtime, you can save up to 8 gallons of water! That adds up to more than 200 gallons a month, enough to fill a huge fish tank that holds 6 small sharks! The same is true when you wash dishes. Turn off the tap! Scrape your dirty dishes into the trash-then put them in the dishwasher.

Shower Power!

Taking a shower uses much less water than filling up a bathtub. A shower only uses 10 to 25 gallons, while a bath takes up to 70 gallons! If you do take a bath, be sure to plug the drain right away and adjust the temperature as you fill the tub. To save even more water, keep your shower under five minutes long-try timing yourself with a clock next time you hop in!

Fix That Leak!

Fixing a toilet leak is a great way to reduce household water use and boost water conservation. If your toilet has a leak, you could be wasting about 200 gallons of water every day. That would be like flushing your toilet more than 50 times for no reason! Try this experiment: ask your parents to help you test for leaks by placing a drop of food coloring in the toilet tank. If the color shows up in the bowl without flushing, you have a leak!

Beat the Heat!

Watering your yard first thing in the morning is a great first step to water-efficient landscaping. Avoid watering your yard in the middle of the day. Watering when it's hot and sunny is wasteful because most of the water evaporates before the plants have time to drink it. Also, when you're helping your parents water the yard, make sure not to water the plants too much-remember that a little sprinkle goes a long way!

Who Needs a Hose?

An easy way to save water is to use a bucket and sponge when washing cars and bikes. Washing your bike or car with a bucket and sponge instead of a hose saves a lot of water. A hose can waste 6 gallons per minute if you leave it running, but using a bucket and sponge only uses a few gallons! Also, some car washes recycle water instead of letting it run down the sewer drains. Ask your parents to check if a car wash near you recycles water.

Test Your WaterSense Game

Think you know everything there is to know about water? Move the water-efficiency hero Flo through water pipes and answer water-efficiency questions while avoiding water-wasting monsters. Use the information you've learned on this Web site to test your knowledge.

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Did you know that less than 1% of all the water on Earth can be used by people? The rest is salt water (the kind you find in the ocean) or is permanently frozen and we can't drink it, wash with it, or use it to water plants.

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Can pollutants come from our rubbish? Find out how what happens to rubbish after you throw it away in this video.

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I took this photo at an exhibition at the Hong Kong Science Museum. The exhibition was all about rubbish - especially plastic rubbish - in the ocean. Rubbish can take years and years to decompose. Look at the picture and see if you can answer the following questions:

What takes longer to break down, an apple core or a newspaper?

If an aluminium can is not recycled, how long will it hang around polluting our environment?

If you threw a plastic bottle in the ocean today, would the plastic still be polluting the water in the year 2460?

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This photo was also on display at the Hong Kong Science Museum. Here you can see the outline of a dead seabird. Apart from some feathers and bones, most of the bird's body has rotted away. All that's left is a huge assortment of pieces of plastic - rubbish that the bird ate, thinking it was food.

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Any substance (for example, chemicals or waste products) that pollutes water, the earth or the air and makes it harmful for a specific purpose.

For example, pesticides used on farms end up contaminating water and making it unsafe to use for drinking and washing. They are pollutants.

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F. Do you like to go to the beach? Maybe you like to swim, sunbathe, build sand castles, fish or do water sports. Unfortunately, these enjoyable past times - as well as the health of humans, seabirds and sea creatures - is at risk because of water pollution.

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Turtle trap: plastic pollution on Christmas island

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Turtle trap: plastic pollution on Christmas island

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Watch the video to see real life plastic pollution.

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Turtle Trap - Plastic Pollution on Christmas Island

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Did you watch this video earlier in the unit? Refresh your memory of where plastic comes from, why we use so much of it and the terrible effect it's having on our environment.

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What is meant by "the water supply", and how can pollutants have a negative effect on it? Watch the video and take a quiz.

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The biggest difference between seawater and freshwater? Only the latter is drinkable! Learn how only a tiny fraction of the world’s water is safe for humans, and how to conserve this resource.

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Where do pollutants come from and how do they make water polluted? Find out in this video. Remember to take the quiz afterwards, and see how many points you can get in the sortify game.

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BrainPOP - Animated Educational Site for Kids - Science, Social Studies, English, Math, Arts & Music, Health, and Technology

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Is modern transport making war on the human body?

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Is modern transport making war on the human body?

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This article explains the negative effects of modern transport on people. The language is quite difficult but it mentions:

the number of people who die in traffic accidents

the harmful chemicals emitted by vehicles which cause lung disease, cancer and asthma

transport noise, which affects out concentration and sleeping patterns

vehicle vibrations, which affect our physical health

how using cars and other forms of transport makes us less active and therefore more unhealthy

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Almost 1.3 million people die each year on the world's roads, making road accidents the ninth leading cause of death globally. AAP/Joe Castro

We demand and expect our transport systems to to get us where we want, when we want to be there, and as fast as possible. We are, however, human beings with human bodies. And as with any other built system, we have to ask whether our fast and efficient modes of travel are necessarily always good for us.

Some of the indications are not good. As the World Health Organisation (WHO) reported, almost 1.3 million people die each year on the world's roads. Road accidents are the ninth leading cause of death globally and the leading killer of young people aged 15 to 29 years. Annually, road crashes also cause between 20 million and 50 million non-fatal injuries.

Trends have been downward, fortunately. But this toll is the rough equivalent of French battle deaths during the entire First World War being lost every year and equals all battle injuries during that war.

Automobiles in particular also emit numerous chemicals, including carbon monoxide, benzene, formaldehyde, and tiny suspended particles called "particulate matter". Health effects of such emissions include lung disease, cancer and especially respiratory diseases such as asthma, which hit children and the elderly particularly hard.

Simone Ramella

One estimate is that air pollution, to which auto emissions are a major contributor, leads to 24,000 premature deaths in the United Kingdom alone every year.

Australia has cleaner air than the UK, meaning we're less affected by this problem. A 1999 study estimated carcinogens from auto emissions cost ten to 18 lives per year (not including particulates, whose effects could not be determined). Still, this is not a trivial number for those ten to 18 individuals. And other estimates of Australian health emission impacts are far higher than this conservative estimate.

Transport modes have more subtle effects on the human body as well. Prolonged exposure to transport noise, whether from traffic, airports or other modes such as trains, has been shown to affect cardiovascular health, sleep, and to reduce performance in concentration and analytical skills, especially in children.

Additionally, vibrations created by vehicles have real, if diffuse and complex, effects on human beings, including the potential for long-term muscle damage and psychological and cognitive impairment. Some impacts are especially hard on operators of particular types of vehicles, especially motorcycle, bus and truck drivers, where there is often sustained long-term exposure to vehicle vibrations.

Flickr/Design for Health

In terms of broader behavioural effects, it is now recognised that the way people travel affects the amount of physical activity they undertake.

One literature review notes that cardiovascular and other health risks are lower among groups who use active transportation (such as walking and cycling and, to a lesser degree, mass transit). In particular, people who commute to work by car are less healthy than those who commute by healthier modes.

The review notes predictions that premature deaths in London could decrease by 528 per million people annually by 2030 if more people realised the health benefits of increased use of active transportation.

Of course, transport professionals are by no means unaware of these physical effects. The well-established field of human factors research studies the way in which human beings affect and are affected by the design of transport infrastructure, vehicles, and operations such as signage. And there is substantial knowledge of the broader effects of transport on the environment and earth ecosystems in which human beings and all other species live.

For all the human health impacts of the modern transport system, there are obviously substantial benefits in the form of greater economic productivity, vastly increased spatial access and mobility, and even health gains, such as increased ability to get preventive and other medical care.

All technology imposes health risks of some sort. So a purely negative focus on these is unhelpful. Nonetheless, it's useful to ask whether our transport technologies, policies and investments are good for us. If not, we need to adjust and redesign our transport accordingly.

Positive changes, many of which are currently underway, include:

An greater focus on redesigning congested urban spaces to encourage walking and social interaction and to lower automobile use and speeds. This could achieve many health and safety outcomes simultaneously.

[Traffic calming](http://www.trafficcalming.net/](http://www.trafficcalming.net/) - a range of techniques ranging from speed humps to pedestrian malls which create attractive active transport environments.

Road pricing and increasing parking fees, or eliminating parking altogether to encourage public transport use and walking.

The expansion of bike-share schemes, where public bicycles can be rented and dropped off from multiple locations.

Further safety improvements to automobile safety design for new car models.

Prioritising action on " black spots" on roads and highway " geometrics ", which includes improving lines of sight at intersections and around curves.

These reforms need not involve costly or radical overhaul. Road safety used to be a neglected policy and manufacturing aspect; small but significant changes there have saved millions of lives. A broader incorporation of the human body into transport design and planning could save millions more.

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Is modern transport making war on the human body?

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We demand and expect our transport systems to to get us where we want, when we want to be there, and as fast as possible. We are, however, human beings with human bodies. And as with any other built system...

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Fossil fuels aren't our only possible source of energy. We can also get power from biofuels. This video explains what biofuels are, and how they're different from fossil fuels. It also explains that, while they are 'cleaner' than fossil fuels, they are not an ideal solution and create their own problems for the environment.

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It's clear that we can't continue powering transport with fossil fuiels - not only because it's bad for the environment, but also because fossil fuels like petroleum are formed very slowly and we will soon use them all up. So what solutions are inventors and scientists coming up with?

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Do you know how cars actually work? Watch this video to find out how cars use petrol/gasoline and the effect this has on the environment.

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Transport Management Solutions for Clean Air

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Transport Management Solutions for Clean Air

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'Roadside pollution' means the pollution levels next to roads caused by fumes/emissions from cars and other vehicles. What steps can we take to reduce roadside pollution? Watch the video to learn about the following solutions:

Low Emission Zones (LEZs)

Electronic Road Pricing (ERP)

Intelligent Transport Systems (ITS)

more pedestrian zones

Are these currently being used in Hong Kong?

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Transport Management Solutions for Clean Air

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Roadside air pollution has been worsening rapidly since 2008. In 2013, roadside Nitrogen Dioxide level reached the second-worst in Hong Kong history, with levels at roadside monitoring stations twice as bad as those found at general stations. Roadside pollution is mainly caused by road transport within Hong Kong.

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How many people die each year from air pollution? Find out in this video.

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Outdoor air pollution, much of it from road transport, is costing advanced economies plus China and India an estimated USD 3.5 trillion a year in terms of the value of lost lives and ill health, according to new OECD research. Without government action to limit vehicle emissions, the costs will rise in the years ahead.

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This animation shows plumes of pollution (that is, the path of air pollution) from 35 big cities, and how it has changed between 1900 and 2003.

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City Pollution Plumes Global Transport Over 100 Years

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The animation models air pollution plumes from 35 major population centres during the past century. It shows the atmospheric emission and transport of a 10-day lifetime tracer, scaled to CO emissions and population growth.

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How air pollution is affecting our health

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How air pollution is affecting our health

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Watch this video to understand the effect of air pollution on our health.

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How air pollution is damaging our health

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Learn how your transport choices can help make a difference to the planet. For more information, visit: http://www.easier.com/cars/green-cars

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As forms of transportation have developed, do you think their effects have been mainly positive or negative?

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What are the effects of modernization of transport?

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There are some obvious advantages that the modern means of transport have over the carts and carriages of olden days:- Modern means of transport are very fast. We can travel from one end of India to another in a few days by train and a few hours by aeroplane.

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Fuel cells are better for our environment than fossil fuels, but they aren't used very widely. Watch the video to find out how they work and why people don't use them more.

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Are you ready for the future of energy? While they're still being perfected, fuel cells are one of the most promising energy technologies to come around in a long while--talk about cool tech!

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Hybrid cars have two engines - one that runs on a traditional fossil fuel like petrol, and one that runs on electricity. This means that overall they burn a smaller amount of fossil fuels - but does that automatically make them better for the environment? Watch the video to find out.

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As humans we are very proud of our technological developments and new inventions. However, we have to admit that they have had a huge, negative effect on our environment. This website explains some of the history behind air pollution and includes some useful vocabulary.

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Vous pouvez dès à présent lui associer un hébergement,
en choisissant la solution la plus adaptée à vos besoins :

Hébergement Web

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site Internet, boutique en ligne,
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avec nos solutions VPS clef en main.
Accompagnez vos projets Web
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Hébergez vos sites Web
sur une machine qui leur sera dédiée !
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c'est la solution d'excellence
pour tous vos projets !

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Vous pouvez dès à présent lui associer un hébergement,en choisissant la solution la plus adaptée à vos besoins : Une solution économiquepour héberger vos projets Web :site Internet, boutique en ligne,landing page... En savoir plus Alliez la flexibilité du Cloudà la liberté du dédiéavec nos solutions VPS clef en main.Accompagnez vos projets Webvers une nouvelle étape.

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This website is similar to the one above.

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Kids learn about air pollution and how it effects the environment and health. Study causes, pollutants, and facts including acid rain and smog.

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This website includes lots more info about pollution.

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Most cars today use fuel made from petroleum or crude oil. This fuel is called petrol in the UK, and gas/gasoline in the USA. This video explains what petroleum is, the negative effects its usage has on the environment and some other solutions to powering our cars.

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BrainPOP - Animated Educational Site for Kids - Science, Social Studies, English, Math, Arts & Music, Health, and Technology

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Something that carries or transports people, animals or things.

Of the twenty kinds of transportation shown here, which do you think is the most environmentally friendly? Which is the least kind to the environment?

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E. We have just seen that air pollution from cars and other vehicles has a terrible effect on our air and water systems. Does that mean we should abandon modern transportation?

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How acid rain affects the needles of pine trees.

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This video explains about the types of acids in rain, the effect of burning fossil fuels and the effect of this rain on plants. The language is quite difficult but the video is interesting if you like chemistry.

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Acid Rain | Environmental Chemistry | Chemistry | FuseSchool

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To understand acid rain, you need to know what an acid is. Watch this video if you're not sure.

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How does acid eat through stuff? What happens when you combine an acid with a base? Tim and Moby explore these questions and more in this non-neutral movie on the pH scale!

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Rain that contains a high level of acid-forming chemicals. These chemicals come from air pollution.

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D. Closely related to the above topic is the issue of acid rain.

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How are plants and animals adapted to specific climates? How does quick climate change affect them?

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This is another simple animation explaining the causes and effects of climate change.

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This video from the Australian government explains what causes higher levels of CO2 [carbon dioxide] in the atmosphere, and the effect this has on us.

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Some websites allow you to work out the effect you're having on the atmosphere through your daily activities.

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What's your carbon footprint? Use The Nature Conservancy's carbon footprint calculator to measure your impact on our climate.

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The amount of carbon dioxide (or other forms of carbon) put into the atmosphere by the activities of a person, company, country, etc. For example, you could calculate the amount of greenhouse gases you have put into the atmosphere by taking a flight to another country.

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The circulation of carbon atoms in the biosphere, for example through breathing, decaying plants/animals and burning fossil fuels.

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A long-term change in the Earth's climate [weather conditions], especially a change due to an increase in the Earth's average temperature.

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An increase in the Earth's average temperature, which many scientists believe is partly caused by a stronger greenhouse effect. This itself is believed to be caused my human activities which release a high number of greenhouse gases into the atmosphere.

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The warming of the Earth's surface that takes place when heat from the sun is held in by certain gases in the Earth's atmosphere.

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C. What is the greenhouse effect and is it good or bad news for life on Earth?

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Copy the definitions onto p.2 next to the correct word.

OZONE: A form of oxygen (O3) found in tiny amounts in our atmosphere.

ECOSYSTEM: A community of living things, together with their environment.

GREENHOUSE: A building made mainly of clear glass or plastic used for growing plants at a specific temperature.

BIOSPHERE: The part of the Earth's crust, waters and air that supports life. (Also: The ecosystem made up of the entire Earth and its living things.)

CONSERVATION: The protection of natural resources (e.g. soil, water. forests, animals) from loss, pollution or waste.

ATMOSPHERE: The gases surrounding a planet.

ACID RAIN: Rain that contains a high level of acid-forming chemicals (that come from air pollution).

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This video explains more about carbon footprints, and gives lots of facts and figures about pollution.

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The Earth Needs YOUR Help, the first part of the Eco Kids series, discusses some the biggest problems facing the environment today and how it is being abused. Well learn the role of the greenhouse effect, carbon emissions, air pollution and how the burning of the rainforest affects global warming.

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This is an excellent documentary from National Geographic which looks at how a seemingly small change in temperature - a rise of 6°C - could have a huge impact on our environment. Remember to search for parts 2-4 if you're interested in learning more.

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Acid rain is caused by air pollution. This video explains where this pollution comes from, and some of the negative effects of acid rain.

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BrainPOP - Animated Educational Site for Kids - Science, Social Studies, English, Math, Arts & Music, Health, and Technology

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This video is related to the 'greenhouse effect' video. It discusses how human activities create more greenhouse gases, which lead to increased temperatures, which cause problems for life on Earth.

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Human activity is kicking global warming into overdrive! Find out how you can help slow down climate change and get our planet off the hot seat.

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This video is a good introduction to the greenhouse effect - it explains what it is, why it's important for us and how it's being affected by the way humans live today.

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Learn what the greenhouse effect is, and how gases in Earth’s atmosphere contribute to deforestation and melting icecaps. Someone, open a window!

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This animation uses cartoons to explain how the greenhouse effect works.

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Greenhouse Effect | #aumsum #kids #science #education #children

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When you investigate the greenhouse effect and global warming, you might hear people referring to their carbon footprint. This refers to the amount of carbon - specifically carbon dioxide, a greenhouse gas - you cause to be sent into the atmosphere because of your daily activities.

For example, someone who flies twice a month for work would have a larger carbon footprint than someone who only ever walks to work.

This video explains how the carbon cycle works and how human activity is affecting it.

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The greenhouse effect and global warming

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The greenhouse effect and global warming

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This video covers similar information as the BrainPOP videos.

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B. Before we start, let's learn the meaning of some important vocabulary.

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Do you know how many people are alive on Earth right now? Do you know that there are waaaaay more people than just a few centuries ago? What kind of effect is the huge population* having on the planet?

*population = number of people living in a certain place

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What natural resources does the Earth have, and are we using them in the best way?

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How is plastic made and what is it used for? And more importantly, why is it so useful but so awful at the same time?

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What are fossil fuels, and how does our use of them have a negative effect on the environment?

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What makes cars go? Fossil fuels! What lights up gas grills and stoves? Fossil fuels! What’s non-renewable and really bad for the environment? You know…

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It's time to think about the effect - the negative effect - humans have had on our environment. As you can see from the pictures above, the Earth looks very different from when Early Man was wandering around in the Stone Age!

How come Early Man got to enjoy beautiful clean beaches, while we have to put up with rubbish covering our sands? How come they could relax and admire the stars at night, while we find our sleep disturbed by bright lights and noisy building work? Sadly, we only have ourselves to blame.

In this unit we are going to be looking at some specific types of pollution, and the human behaviour which causes them. The four BrainPOP videos below will give you the chance to start thinking about how we affect our environment.

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Watch the start of this video. Which five types of pollution are mentioned? When you have identified them, look at pictures A-E and state which kind of pollution is shown.

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Pollution (Land, Air and Water Pollution)

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Poisons, chemicals and waste materials (usually created by humans) which make our environment dirty and harm the health of plants, animals and people.

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A. Humans are proud of their new inventions and feel that a lot of them have made our lives better. But technological development has also caused a huge amount of pollution, which has an increasingly negative effect on our planet.