Water on Earth

To keep on living, all living things need _____.

• some form of water

• electricity

• salt water

Tags

NGSS.MS-LS2-1

How much of the surface of the Earth is covered in water?

• more than two-thirds

• about half

• less than half

Tags

NGSS.MS-ESS2-4

Most of the water on earth is _____

• in large lakes

• in the oceans

• trapped in glaciers

Tags

NGSS.MS-ESS2-4

What kind of water is found in rivers, ponds, wetlands, and streams?

• hard water

• fresh water

• salt water

Tags

NGSS.MS-ESS2-4

Freshwater contains _____.

• less than 0.1% salt

• no salt at all

• more than 1% salt

Which field of science deals with the Earth's surface?

• astronomy

• geography

• biology

Tags

NGSS.MS-ESS2-2

What percent of the water on the planet is salty?

• about 50%

• about 75%

• about 97%

What percent of the planet's total water supply is freshwater?

• about 3%

• about 10%

• about 50%

Tags

NGSS.MS-ESS2-4

What percent of the planet's water is locked up freshwater in frozen glaciers or underground?

• less than 1%

• about 2%

• about 5%

Tags

NGSS.MS-ESS2-4

In North America, a large source of freshwater  is _____

• the Great Lakes

• the Atlantic Ocean

• Lake Mead

• the Pacific Ocean