Section: 4B

Topic: Water Pollution

Class:4C

Topic:Air Pollution

Pollution harms air, water, and land, affecting health and nature. To reduce its impact, we must:

1️⃣ Recycle & Reduce Waste ♻️
2️⃣ Use Eco-Friendly Products 🌱
3️⃣ Save Energy & Water 💡💧

Together, we can protect our planet! 🌍✨

Section:4C

Topic:plastic pollution

Grade/Section:4B

Topic:Air pollution

Air pollution poses a significant threat to human health and the environment, contributing to respiratory diseases, cardiovascular problems, and climate change. Key sources include vehicle emissions, industrial discharges, and burning fossil fuels.

Water pollution is something everyone should be aware of for water pollution has bad impact. Here are some reasons why:

■ Water pollution has caused many diseases because the poor drink from there. E.g. Cancer

■ Water pollution is the reason of many marine extinction and death.

■ It makes a bad impact on biodiversity and causes unwanted phytoplankton.

There are ways to prevent these situations from getting worse and making more bad impacts such as

■ Not wasting water💧

■ Instead of throwing garbage in the oceans, rivers, lakes and seas we can throw them in the recycling bin. 🚮♻️

■ Taking shorter showers which are atleast 2-5 mins.

■ Instead of taking baths, take showers for baths need to be filled up with lots of unnecessary water. 🛁=🚫

■ Disposing chemicals in the right way.

■ Using less plastic.

Following these steps, everyone, including marine animals, can live peacefully in a healthy environment.

Let's make the world better place for life!✨️🌟 🌏

Section : 4E

Topic: Air Pollution and the safety measures that should be taken to prevent it.

Grade/Section:4B

Topic: Air Pollution

Date: 12-02-25

Section: 4B

Topic: Improper Waste Management

Section: 4D

Topic: Air Pollution

Class: 4-B

Topic: Air Pollution

Section : 4 C

Topic: Air pollution

Name: Shanaya Manha Alam

Date: 12.2.25

Topic: Land and waste pollution

Hope all of you enjoy this I added my own points.

CLASS: 4(A)

Air pollution harms health, causing respiratory diseases and climate change. Major pollutants include vehicle emissions, industrial waste, and deforestation. To reduce it, use public transport, adopt clean energy, plant trees, and enforce strict environmental laws. Switching to electric vehicles and reducing waste can also help create cleaner air for future generations.

GIS- 4C AAHIR

Grade: 4

Section: B

Topic: Waste Management

4C

Topic: Air Pollution

miss delete the other two i cant

Atifa Ahona Sharmin

4C

GRADE:4B

Class;4

Sec;b

Topic; Plastic Pollution

Class-4D

4A

Class: 4C

Topic: Air Pollution

Date: 13.02.25

According to the recent Air Quality Index (AQI), our county's air is highly polluted, making it unhealthy to breathe. We must act immediately to take action against air pollution.

It kills more than 1,400 peoples a year.

It kills the sea creatures and many more.

Everyday 2 million tons of sewage are disposed in the water.

Aaban Intaj Chowdhury, Class:4B

GRADE AND SECTION:4B

Class: 4B

Topic: Water pollution

Grade-4E

Topic-Air Pollution

• Use public transportation or carpool to reduce the number of cars on the road.

• Drive fuel-efficient or electric vehicles to minimize emissions.

• Walk or bike for short trips to reduce dependency on cars.

2. Switch to Clean Energy Sources

• Use renewable energy sources like solar, wind, or hydroelectric power instead of coal or gas.

• Support policies that encourage clean energy development.

3. Promote Energy Efficiency

• Conserve energy by turning off lights and electronics when not in use.

• Use energy-efficient appliances and ensure homes are properly insulated.

• Opt for LED bulbs and energy-saving devices.

4. Reduce Industrial Emissions

• Support businesses that adopt green technologies and practices.

• Enforce stricter regulations on industrial emissions to limit pollution.

• Encourage companies to invest in cleaner production methods and use sustainable materials.

5. Plant Trees and Green Spaces

• Plant trees and create green spaces in urban areas to absorb carbon dioxide and produce oxygen.

• Support urban gardening and green roofs to improve air quality.

4D

DATE OF SUBMISSION :13/2/25

TOPIC:PLASTIC POLLUTION

Grade : 4B

Topic : Environmental Sustainability, Pollution

With animation

Class: 4E

Topic: Air pollution

Class: 4B

Topic: Air Pollution

Ibis paint X

Air pollution is one of the major issues that affects not only Bangladesh, but also many other places in the world. It causes health problems and respiratory diseases, asthma, lung cancer, and pneumonia etc.

Bacteria from waste disposal have the potential to release germs in the air, which can cause pneumonia. Smoke and haze reduce visibility and makes people’s heads ache. Some main sources of air pollution are from factories burning fossil fuels, wood burning fires and motor vehicles. It can begin wildfires due to the smoke and ash.

Together we can do it!!

Anjanaa Venkadesh

4A

Class: 4D

Grade & Sec: 4B

Topic: Air Pollution

If you can't plant a thousand trees, just plant one. As the great Carl Sagan said, " And I quote, The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand. So, save our home, Earth

Zarif 4E Water pollution took me 7 hours sir I think I have brain damage.

4D

Air Pollution: Causes and Solution

SM Zuhaib Faraj

Grade: 4A

4B

Topic: Water Pollution

Class: 4C

Class:4D

Topic:Water Pollution

Khwaja Raid

Grade:4

Section:C

Hope u guys like the vid/animation

4C

Topic: Air Pollution

Section:4D

Topic:Water Pollution

Air pollution is the presence of harmful substances in the air that can cause damage to human health, the environment, and the climate. It is mainly caused by human activities, although natural processes can contribute as well.

Causes of Air Pollution:

1. Vehicle Emissions: Cars, trucks, and buses release large amounts of carbon monoxide, nitrogen oxides, and particulate matter.

2. Industrial Activity: Factories and power plants burn fossil fuels, releasing pollutants like sulfur dioxide, carbon dioxide, and volatile organic compounds.

3. Agricultural Practices: The use of pesticides, fertilizers, and livestock production can release methane, ammonia, and other pollutants into the air.

4. Burning of Fossil Fuels: Coal, oil, and natural gas used for energy production release carbon dioxide and other pollutants into the atmosphere.

5. Waste Disposal: Open burning of waste and landfills can release toxic gases and particulate matter into the air.

How to Stop Air Pollution:

1. Switch to Renewable Energy: Reducing reliance on fossil fuels and using solar, wind, and hydroelectric power can significantly cut down emissions.

2. Promote Public Transportation: Encouraging the use of buses, trains, and cycling reduces the number of vehicles on the road, lowering pollution levels.

3. Enforce Stricter Regulations: Governments can impose stricter emission standards on industries and vehicles to limit harmful pollutants.

4. Raise Awareness: Educating the public about the health risks of air pollution and the importance of reducing emissions can lead to more sustainable behaviors.

Four Precautionary Measures To Prevent Air Pollution Are As Follows :

1. Plant Trees and Greenery: Trees absorb carbon dioxide and other pollutants, improving air quality.

2. Reduce Waste and Recycle: Recycling and reducing waste can prevent harmful substances from being released into the air through landfills and incineration.

3. Use Eco-friendly Products: Using non-toxic cleaning agents, paints, and household items reduces the number of harmful chemicals released into the air.

4. Limit Use of Fossil Fuels: Use energy-efficient appliances, reduce heating and air conditioning needs, and switch to cleaner alternatives like electric cars to decrease emissions.

By taking these steps, we can help improve air quality and reduce the harmful effects of pollution on our health and the planet.

Name: Khwaja Ayaan Rahman

Topic: Water pollution

Date:17.2.25

Class:4E

Section:4D

Topic:Water Pollution

Forest fires and smoking.

Effects of air pollution: The effects of air pollution are asthma, lung disease and cancer.

Some ways how we can protect the air

from pollution: we can use 1 bus instead

of using 30 cars this reduse less harmful

gases from cars and And we should not smoke.

Mohammad Farzad areez:4A

Class: 4

Section: E

Topic: Noise Pollution

Grade : 4

Section: C

Pollution happens when dirty and harmful things, like trash, smoke, or chemicals, get into our air, water, and land. Pollution makes the Earth unhealthy for people, animals, and plants. .

We can help stop pollution by keeping our environment clean, using less plastic, planting trees, and taking care of nature.

"Don’t Be Mean, Keep the Earth Clean!

ways to save pollution

use public transportion and walk or use the bike for small trips and stop thorwing plastic on the ground and use renewable energy

and plant trees

Air pollution is caused by many factors such as:

1. vehicles/motorcycles

2. deforestation and forest fires

3. factories

Air pollution is dangerous and harms both humans and animals .Air pollution as well causes many diseases such as cancer , asthma , etc.

here are some things that we should do to help stop Air pollution:

1. Drive your car less and prefer to use cycles or public transport.

2. stop deforestation and start planting more trees.

3. Start using solar powered energy.

4. Use less energy.

Air pollution is bad and we must take a stop against this .

4A

Grade:4B

Topic: Air Pollution

Grade:4

Section:B

House:Ventus

We need to save it from air pollution so it can’t damage the atmosphere any further.

1-less cars means less gas, so we can use public transport or cycles.

2-we can plant more trees to keep the air cleaner.

3-burning toxic waste or trees can be very harmful, so we need to spreed awarness.

By: anika

Grade: 4-B

Topic: How to stop air pollution

-We can’t live without water because we can drink water,wash our hands ,and more things . That’s why we should not Pollute the water

By Waseeqa Binte Sultan

Grade : 4D

Topic: Air pollution

Grade:4E

Topic: Air Pollution

Answer: Because plastic does not let water in. Paper gets wet and tears easily.

2. Name two things in your room that are made of glass.

Answer: A mirror and a window. (Any two glass items)

3. Is rubber stretchy or stiff?

Answer: Rubber is stretchy.

4. Why do we use metal to make keys?

Answer: Because metal is strong and does not break easily.

5. What material would you use to make a bridge: paper or metal? Why?

Answer: Metal, because it is strong and can hold heavy things.

6. If you want to see through something, what material should you use?

Answer: Glass or clear plastic.

7. If you drop a metal cup and a glass cup, which one might break? Why?

Answer: The glass cup might break because glass is delicate.

8. If you could design a new water bottle, what material would you choose and why?

Answer: Plastic, because it is light and does not break easily.

Higher-Order “What If / How” Questions

9. What if you left an ice cube outside in the sun for a long time? What would happen and why?

Answer: It would melt and turn into water because the sun gives heat.

10. How would you change a hard chocolate bar into a liquid without eating it?

Answer: Warm it or hold it in your hand. Heat will melt it.

11. What if your wet clothes didn’t dry even after keeping them outside? What could be the reason?

Answer: Maybe there was no sunlight or wind. Clothes need heat and air to dry.

12. How can we make a soft material like clay harder?

Answer: Leave it in the air to dry or heat it. It becomes hard when water dries out.

13. What if you heated a piece of paper—what might happen and why?

Answer: It could burn and turn into ash because heat can destroy paper.

14. What if you put a plastic bottle full of water in the freezer? How might the bottle change?

Answer: The water will freeze and get bigger. The bottle might swell or bend.

15. How can we change a piece of paper without tearing or cutting it?

Answer: We can fold it, roll it, or bend it.

16. What if you heated butter and then put it back in the fridge? How would it change each time?

Answer: Heat makes it melt into liquid. The fridge makes it hard again.