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What is the continuous movement of water on Earth called?
Water cycle
What is it called when water changes from a liquid to a gas?
Evaporation
What is it called when plants release water vapor into the air?
Transpiration
What forms when water vapor cools and turns into tiny droplets?
Condensation
What is it called when water falls from clouds as rain, snow, or hail?
Precipitation
Where does precipitation collect after falling to Earth?
Rivers, lakes, and oceans
What is the main source of energy for the water cycle?
The sun
What is the process that forms clouds?
Condensation
Why does evaporation happen?
Because the Sun heats water, giving it energy to change into vapor
What happens to water vapor when it cools down high in the atmosphere?
It condenses into water droplets forming clouds
How do plants help in the water cycle?
They release water vapor through transpiration.
What happens when the air cannot hold any more water droplets?
The water falls as precipitation (rainfall)
What would happen if there were no condensation?
Clouds would not form, and it wouldn’t rain.
What part of the water cycle happens when clouds release rain?
Precipitation
What causes clouds to move across the sky?
Air currents in the atmosphere.
Why do we say we are using the same water as the ancient Greeks?
Because water is recycled through the water cycle.
