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Mention 3 uses of water for human
Drinking, cooking, recreation, etc.
Name 1 human activity that affect the water cycle
deforestation / burning fossil fuels
Explain how burning fossil fuels harm the water cycle
burning fossil fuels produce smoke that will mix with the cloud and cause acid rain
____________ is the continuous movement of water from the Earth.
Water cycle
Water change from a liquid to a gas is called ____________.
Evaporation
What causes the water from the Earth's surface to evaporate?
Heat
What is the percentage of water on the Earth's surface?
around 70%
Water changing from a gas to a liquid is called ____________.
Condensation
Water falling to the Earth's surface from the atmosphere is called ___________.
Precipitation/Rain
Why the water from the seas and oceans is not suitable for living things to take in or use?
It is contain too much salt
How does rain can cool the air on Earth?
Rain that falls from the sky has a lower temperature than the air around us
What is erosion?
Erosion is a change of the Earth's surface when the soil is carried away by the rain.
Which two processes result in the formation of clouds from water on the Earth?
Evaporation and condensation
The Sun provides the energy for condensation in water cycle process. (T/F)
False. The Sun provides the energy for evaporation in water cycle process.
Mention 1 example of precipitation besides rain.
snow / hail / sleet