Water Unit 4

What is the hydrosphere?

• The water I drink at home

• The sum of the seas and oceans

• All the water on the Earth's surface, groundwater and vapour water

Groundwater is...

• The water under the Earth's surface

• The water that forms the clouds

• The water of the swimming pool

Fresh water is the water of the seas and oceans

• True

• False

Salt water is the water of the seas and oceans

• True

• False

What amount of the earth's surface is covered with water?

• 25%
• 72%
• 97%
• 99%

What amount of the water on the earth is salt water?

• 25%
• 72%
• 97%
• 99%

Roughly 2% of the earth's freshwater is?

• frozen
• water vapor
• groundwater
• polluted water

Why is saltwater not safe for humans to drink?

• It tastes gross
• It is always dirty
• It is home to fish
• It contains too much salt

What kind of water does not contain salt and makes up ponds and rivers?

• Freshwater
• Saltwater

What kind of water are glaciers made of?

• Freshwater
• Saltwater
• Both