What is global warming?
A rise on the atmosphere's temperature.
What happens during evaporation?
Water turns from liquid to gas.
Why is the water cycle a cycle?
Because it never ends.
Burning fossil fuels releases ________ _______ into the air.
Carbon dioxide
Trees and plants convert carbon dioxide into _________.
Oxygen
_______ _______ can be found in rivers, lakes, and underground rocks.
Fresh water.
________ is the process of removing salt from seawater to make it drinkable.
Desalination
Global warming reduces the amount of ______ in the Arctic.
Ice
During ___________, water vapor turns into liquid water.
Condensation
True or False: Cutting down trees increases carbon dioxide in the atmosphere.
True
True or False: Most of the water on Earth is fresh water.
False.
True or False: Polar bears are not affected by global warming.
False.
True or False: The water cycle involves evaporation, condensation, precipitation and collection.
True.
True or False: Water vapor turns into ice during condensation.
False.
True or False: The water cycle provides water for plants and animals.
True.
True or False: Global warming is caused by too much carbon dioxide in the air.
True
