Mystery Science and Watery Review

Why is fresh water so important? (choose all that apply)

• We can only live three days without fresh water to drink.

• We need fresh water to grow food.

• All plants and animals need water.

• We don't need fresh water.

Where does the water in your faucet come from? (choose all that apply)

• It could come from a nearby lake or river.

• It could come from the ocean.

• It could come from underground water found in aquifers.

When water goes from a liquid to a gas (water vapor), that process is called ___.

• evaporation

• melting

• freezing

• condensation

When water goes from a gas (water vapor) to a liquid, that process is called ___.

• evaporation

• melting

• freezing

• condensation

What is needed to make it rain?

• warm water on the ground to create water vapor that rises and a warm sky for the water vapor to condense and make droplets of liquid water

• warm water on the ground to create water vapor that rises and a cold sky for the water vapor to condense and make droplets of liquid water

• cold water on the ground to create water vapor that rises and a warm sky for the water vapor to condense and make droplets of liquid water

• cold water on the ground to create water vapor that rises and a cold sky for the water vapor to condense and make droplets of liquid water

When rain, snow, sleet, or hail falls to the ground.

• evaporation

• melting

• precipitation

• condensation

_____ water is the type that we need to survive.

• salty

• pure

• fresh

• ocean

Choose all of the examples of fresh water.

• oceans

• lakes

• rivers

• rain

• aquifers

True of False A model is a simpler version of something in the real world, used by scientists to help them better understand how something works.

• True

• False

the type of water that we need to survive; sources of it include rain, lakes, rivers, and aquifers.

• water vapor
• salt water
• fresh water