Exploring the Properties and States of Water

Why is Earth called the 'blue planet'?

• Because it has a lot of forests

• Because it has a lot of mountains

• Because 70% of its surface is covered with water

• Because it has a lot of deserts

What is underground water primarily used for?

• Fishing

• Drinking

• Agricultural, municipal, and industrial use

• Swimming

Which of the following is NOT a property of water?

• Takes the shape of its container

• Fixed shape

• Colorless

• Fixed volume

In which state does water exist in nature?

• Gaseous

• Liquid

• All of the above

• Solid

What happens to water when it is cooled below a certain temperature?

• It evaporates

• It melts

• It condenses

• It freezes

What is the process called when water changes from liquid to gas?

• Melting

• Freezing

• Evaporation

• Condensation

What is the process called when steam changes back to water droplets?

• Melting

• Freezing

• Condensation

• Evaporation

At what temperature does water freeze?

• 100 degrees Celsius

• 50 degrees Celsius

• 0 degrees Celsius

• 10 degrees Celsius

What is the process called when ice melts back into water?

• Freezing

• Evaporation

• Melting

• Condensation

What is precipitation?

• Water evaporating into the air

• Water falling from the sky as rain, snow, or hail

• Water turning into steam

• Water freezing into ice