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Water cycle
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What is erosion?
Erosion is a change of the Earth's surface when the soil is carried away by the rain.
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____________ is the continuous movement of water from the Earth.
Water cycle
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Mention 1 example of precipitation besides rain.
snow / hail / sleet
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Water change from a liquid to a gas is called ____________.
Evaporation
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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
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Mention 3 uses of water for human
Drinking, cooking, recreation, etc.
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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.
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What causes the water from the Earth's surface to evaporate?
Heat
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Water changing from a gas to a liquid is called ____________.
Condensation
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Which two processes result in the formation of clouds from water on the Earth?
Evaporation and condensation
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Explain how burning fossil fuels harm the water cycle
burning fossil fuels produce smoke that will mix with the cloud and cause acid rain
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How does rain can cool the air on Earth?
Rain that falls from the sky has a lower temperature than the air around us
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Water falling to the Earth's surface from the atmosphere is called ___________.
Precipitation/Rain
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What is the percentage of water on the Earth's surface?
around 70%
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Name 1 human activity that affect the water cycle
deforestation / burning fossil fuels
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