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boiling water can kill some bacteria, viruses and parasites.

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Boiling is the process of a liquid turning into gas after it reached its boiling point.

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The benefits of evaporation are that wet clothes will turn dry and not be wet forever.

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Melting is the process of a solid turning into liquid at a fixed temperature.

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Q6) Boiling is a process that turns liquids into gas. It also releases steam. This process occurs at 100 degrees celsius.

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melting is something which is in solid state that turns into liquid state when it gains heat but it remains at 0 degrees when it melts

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It actually kills bacteria even we boil our cow milk so that we can kill the bacteria in it. It kills the bacteria as bacterial will become de-active if it gains heat so boiling liquid like milk or even water is good for our health.

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Q5) Evaporation helps us in many ways such as drying our clothes.

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Q5) Evaporation benefits us a lot in our daily lives but one of the more notable ones is after washing your clothes there will be water droplets in it. Evaporation will take place and evaporate the water droplets making your clothes dry.

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1. Melting is from solid state to liquid state. Example like Ice to Ice water. It occurs when there is heat applied to the solid. It occurs at a fixed temperature.

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Freezing is from liquid state to solid state. Example like Ice water to Ice cube. The freezing point of water is 0 °C.

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Evaporation is from liquid state to gaseous state. Evaporation occurs at any temparature.

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Janette ( Factors affecting the rate of evaporation )

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Janette ( Factors affecting the rate of evaporation )

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1. Presence of wind
2. Exposed surface area
3.Temperature of surronding

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1. Drying clothes under the sun
2. Ironing clothes
3. Drying wet hair

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Boiling is liquid state to gaseous state. It occurs at a fixed temperature which is 100 °C.

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1. Kills germs and bacteria
2. It also helps the digestive system to work better
3. Clears out kidney toxins
4. Keeps us hydrated
5. Improves circulation

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Boiling is the process of liquid gaining heat and boil to turn into the gaseous state which is called the steam or water vapour. The boiling point is 100 degree celceuis.

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Boiling sea water or unsafe water will make clean water and kill the all the bacteria and microorganisms in the water and separate

salt from the clean drinking water.

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Q4) The factors of evaporation are temperature, speed/presence of wind and amount of exposed surface area.

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Boiling is when the temperature increases to 100 degrees.

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Boiling water can kill bacteria in the water as bacteria can be killed with high temperature.

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Q4) The factors are wind, exposed surface area and temperature.

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Evaporations helps to dry wet clothes and cool us down when we are sweating and lastly it dries up the water puddles after it rains.

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Boiling begins when temperature hits 100 degrees celcius.

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Boiling kills grems and bacteria that are in our food and also helps cook it

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1. Melting is a process in which water changes from solid state to liquid state by gaining heat.
2. Freezing is a process in which water changes from liquid to solid state by losing heat.
3. Evaporation is a process in which water changes from liquid state to gaseous state by gaining heat.
4. The factors affecting the rate of evaporation are: The exposed area of the object, the presence of wind and the temperature of the surrounding
5. For example, when it rains, the roadside with get wet. If we are not careful, we may slip and fall. When evaporation happens, the water gets evaporated and the roads will become dry. Then less people will get hurt. This is one of the many ways evaporation benefits our lives.
6. Boiling happens when water reaches 100 degrees celcius
7. When we boil water, the harmful germs get killed and then we will have clean water to drink

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Melting is a solid gaining heat and melting into liquid.

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Freezing is when a liquid loses heat and freezes into a solid.

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boiling water will ensure fresh water to drink

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boiling water will ensure fresh water to drink

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4.Some of the factors are: exposed surface area, presence and amount of wind, temperature, humidity.

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We rely on evaporation for our clothes to dry so that it can be used.

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Evaporation is when a liquid gains heat and turns into gas.

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Boiling water purifies it and kills the germs inside of the water so it is safe to drink and helps us cook food.

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Q3) Evaporation is a process that makes liquid into gas by gaining a significant amount of heat. Evaporation occurs at any temperature.

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Q4. State the factors affecting the rate of Evaporation

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Q4. State the factors affecting the rate of Evaporation

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-Presence of wind
-Temperature of surrounding
-Exposed surface area

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Boiling is heating water at 100 degree celcius

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A benefit of evaporation is when you spill water on the floor, the water will evaporate and dry.

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1. A solid melting into a liquid after gaining heat.

2. A liquid freezing into a solid by losing heat.

3. A liquid evaporates into a gas by gaining heat.

4. (a) The temperature of surrounding.
(b) The amount of surface area.
(c) The presence of wind.
(d) The humidity of the surrounding air.

5. After washing your clothes, you hang them up, evaporation will take place when the water in your clothes gain heat and evaporate. Therefore, they become dry.

6. A liquid gaining heat and boiling into a gas. The boiling point is 100 degrees celsius.

7. When you boil water, it kills the germs and bacteria so we have clean water to drink. It can also help us cook food to eat so we would not get food poisoning.

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Boiling is when a liquid gains heat until 100 degrees celsius.

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1. Melting is the process of solid to liquid.
2. Freezing is the process of liquid to solid.
3. Evaporation is the process of liquid to gas and happens at any temperature and occurs at the surface of it.
4. Presence of wind, area of exposed surface, temperature.
5. Evaporation dries clothes faster.
6. Boiling is the process of liquid to gas and happens at 100 degree celsuis and boiling happens within liquid.
7. Kills bacteria.

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A benefit of boiling water is that it kills bacteria

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A liquid gains heat and boils to become steam.

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A liquid gains heat and boils to become steam and forms bubbles

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can kill bacteria

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Exposed surface area, amount of humidity=amount of water vapour in the air,temperature of the surrounding and wind( stong wind or weak wind or presence of wind affects the rate of evaporation.

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boiling is when the temperature of water turn to 100 degree celcius.

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Boiling water can help kill harmful microbes witch cannot survive at high temperatures

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Evaporation is the change from liquid to gas.

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Boiling is when liquid gains heat and boils to become gas. The boiling point is 100 degrees Celcius.

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Q3) Evaporation is the process in which liquids turn into gas. This process occurs at any temperature.

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it can help prevent flooding, and cool us down during hot days

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A liquid being heated until it is in a gaseous state.

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I can dry stuff

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Evaporation helps to dry wet clothes, cool us down when we are sweating on a hot day and save energy.

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Basically Evaporation but at 100 Degrees Celsius but happens below surface of water

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when water turns into a gas throughout the liquid

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It kills unwanted bacteria

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Freezing is a change from liquid to solid.

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1. Melting is the process of solid to liquid.
2. Freezing is the process of liquid to solid.
3. Evaporation is the process of liquid to gas and happens at any temperature.
4. Presence of wind, area of exposed surface, temperature.
5. Evaporation dries clothes faster.
6. Boiling is the process of liquid to gas and happens at 100 degree celsuis.
7. Kills bacteria.

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Evaporation is the process of liquid gaining heat to turn into gaseous state at any temperature but below 100 degree Celceius.

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become cooler

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The process when liquid turns into vapour

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It can be used as a cooling system.

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Q2) Freezing is a process that makes liquids into solids by losing a significant amount of heat. Freezing occurs at 0 degrees celsius.

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boiling water kills bacteria and ensuring the continuity of fresh water

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Evaporation can help prevent flooding, and cool us down during hot/warm days

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We need evaporation to dry our clothes otherwise our clothes will be forever wet.

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kills bacteria

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Help to process seawater to fresh water

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Boilng is the process of water to steam at 100 celcius

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factors affecting the rate of evaporation

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factors affecting the rate of evaporation

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exposed surface area

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Q4: state the factors affecting the rate of evaporation

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Q4: state the factors affecting the rate of evaporation

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wind
exposed surface area
temperature

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Q2) Freezing is a process in which liquids lose heat and turn into solids. This process occurs at 0 degrees celsius.

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The benefit of evaporation is because we can dry our clothes

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Q4 State the factors affecting evaporation

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Q4 State the factors affecting evaporation

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1) Exposed Surface Area
2) Presence Of Wind
3) Temperature of the surrounding

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There may be cool air or other stuff affecting the temperature needed for evaporation to begin and water vapour to start to form.

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4) State the factors affecting the rate of evaporation

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4) State the factors affecting the rate of evaporation

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- Exposed Surface Area
- Humidity
- Temperature of the surrounding
- Presence of wind

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presence of wind, temperature of surroundings and amount of exposed surface area and humidity.

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Exposed surface area, wind and temperature of surroundings.

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Evaporation is the process of a matter in its liquid state gaining heat and transforming into its gaseous state at a range of temperature.

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question 4: state the factors affecting the rate of evaporation

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question 4: state the factors affecting the rate of evaporation

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wind
humdity
exposed surface area
temperature

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2. freezing is the process of liquid losing heat to the surroundings in order to turn into the solid state at 0 degree Celcius.

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It ensure the continuity of fresh water  and it allows water on shirt to dry

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when water turns into a gas at the surface of the liquid

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Evaporation is when water turns from liquid to gas.

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State the factors affecting the rate of evaporation

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State the factors affecting the rate of evaporation

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wind speed, exposed surface area, temperature,humidity

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Evaporation is when a liquid gains heat and evaporates to become gas and can occur at any temperature

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When liquid gains heat,it will evaporate and become water vapour.

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evaporation is when a liquid becomes gaesous evaporation and condensation are the only processes that can occur at any temperature.

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1.Melting is the process of solid gaining eat to become liquid at 0 degree Celcius.

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It is humidity , wind speed , temperature and exposed surface area

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a liquid gains heat and evaporated into water vapour.

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The rate of evaporation can be affected by the temperature of the surroundings, presence of wind and the amount of exposed surface area

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2.Freezing is the process of a matter in its liquid state losing heat and transforming into its solid state at a fixed temperature.

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A liquid turning into a gaseous state.

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Freezing is when a liquid loses heat and freezes into a solid and the freezing point is at 0 degrees Celcius

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Kill Bacteria

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melting is when a solid becomes a liquid. different material have different melting point water is 100 degrees ( Galluim is at 35 degrees)

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a liquid gains heat and evaporates into warm water vapour