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The Water Cycle
Condensation in the atmosphere is visible as clouds.

The Water Cycle

Water moves around Earth in a continuous cycle. In KS2 Science, pupils learn how evaporation, condensation, and precipitation keep water moving between land, sea, and sky.

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Fascinating Fact:

The Amazon rainforest releases so much water vapour through transpiration that it makes its own weather.

In KS2 Science, the water cycle is taught to explain how water is reused on Earth. Evaporation, condensation, and precipitation work together to keep rivers, lakes, and plants supplied.

  • Evaporation: The process where liquid water changes into water vapour.
  • Condensation: When water vapour cools and turns back into tiny liquid droplets.
  • Precipitation: Water falling from the sky as rain, snow, hail, or sleet.
What are the four stages of the water cycle?

The four main stages are evaporation, condensation, precipitation, and collection. Together they keep water moving around the Earth.

Why is the water cycle important for life?

The water cycle is important because it distributes fresh water to plants, animals, and people, helping to support all forms of life on Earth.

What is transpiration in the water cycle?

Transpiration is when plants release water vapour into the air through their leaves, adding to the moisture in the atmosphere.

1 .
What do we call water that is in a solid state?
Liquid
Water vapour
Ice
None of the above
Water freezes and becomes a solid (ice) at 0o Celsius
2 .
Which of these is condensation in the atmosphere?
Tornadoes
Clouds
Lightning
Hurricanes
That's why some clouds bring rain - the water vapour condenses and then falls to earth
3 .
What happens to water vapour when it cools?
It evaporates
It precipitates
It transpires
It condenses
You can see water condensation after you've had a shower - the water vapour in the air condenses as it cools down, leaving water droplets on the walls, windows and bathroom mirror
4 .
Some of the water from rain, hail, sleet or snow collects in streams, rivers, lakes and the sea. Where does most of the rest of the water go?
Storage tanks
Reservoirs
Into the ground
In gutters
Groundwater is stored in soil and in underground layers of sand and permeable stone known as aquifers
5 .
What stage of the water cycle directly follows water's condensation in the atmosphere?
Evaporation
Transpiration
Precipitation
None of the above
Precipitation follows condensation - and the whole water cycle begins again!
6 .
When a kettle is boiling, it produces visible steam. What does this steam contain?
Gas and liquid water
Water as a solid and a gas
Water in its liquid and solid forms
Water as gas, liquid and solid
Steam is invisible water vapour (gas). When we see steam from a kettle or shower, the steam also contains tiny water droplets (liquid), making it visible
7 .
Water on the surface of roads and pavements disappears over time. What has happened to the water?
It has precipitated
It has condensed
It has evaporated
It has stopped existing
Surface water evaporates and returns to the atmosphere as water vapour
8 .
What do we call fresh water falling from the atmosphere to the Earth's surface?
Condensation
Precipitation
Evaporation
Transpiration
Fresh water can fall as rain, hail, sleet or snow
9 .
Plants draw water out of the ground and release water vapour into the atmosphere. What is this process known as?
Transpiration
Evaporation
Condensation
Precipitation
Plants release water vapour through tiny pores (holes) in their leaves - these pores are called 'stomata'
10 .
What do we call water that is in the form of a gas?
Liquid
Water vapour
Ice
None of the above
Another name for water vapour is steam
You can find more about this topic by visiting BBC Bitesize - The water cycle

Author:  Sheri Smith (PhD English Literature, English Teacher & Quiz Writer)

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