Earth's Water

What is the effect of heavy drops of water forming in clouds?

• Rain falls to the ground.
• There is a thunderstorm.
• The clouds disappear.
• Fog is created.

What is the author’s purpose for writing this book?

• to teach the reader how to make an ice sculpture
• to persuade the reader to clean up polluted water
• to inform the reader about how rain is created
• to inform the reader about Earth’s water

Most of Earth’s frozen water can be found...

• A in Alaska
• B on the top of mountains
• C around the North and South poles
• D in ice cubes

Why do plants need water?

• A to help them grow
• B to help them to create ice
• C to help them attract insects
• D to help them put out fires

When something is made dirty or harmful, it is...

• A invisible
• B polluted
• C solid
• D important

The energy of the Sun changes .

• A liquid water to ice
• B liquid water to gas
• C gas to liquid water
• D fresh water to salt water

The author of this book believes .

• A water is not very important
• B there is more fresh water than salt water on Earth
• C there is not enough water on Earth
• D it is important to take care of Earth’s water

Which of the following details is not true about water?

• A Most of Earth’s surface is covered in water.
• B Water can be found underground.
• C There is more fresh water than salt water on the Earth.
• D Water can be found in the air.

Rain and snow are examples of...

• A precipitation
• B ice
• C evaporation
• D salt water

Which of the following details is true about liquid water?

• A It can only be found in rivers and ponds.
• B It takes the shape of ice.
• C It does not take the shape of a container.
• D It is always moving.