Water on Earth

Which contains the greatest amount of Earth's freshwater?

• groundwater

• oceans and seas

• lakes and rivers

• glaciers and polar ice caps

Tags

NGSS.MS-ESS3-1

Water on Earth is found naturally as a solid, a liquid, and a gas. Where is MOST of the solid water on Earth?

• deep in Earth's mantle (inside the Earth)

• in Earth's polar regions (North & South Poles)

• in the outer atmosphere (space)

• at the bottom of the ocean

Only 3% of the water on Earth is freshwater. About 60% of that water is not available for man's use. Why is this?

• it is frozen

• it is polluted

• it is too salty

• it is in aquifers

Tags

NGSS.MS-ESS2-4

Approximately 99.7% of all water on Earth is found in oceans, seas, ice, and in the atmosphere.  Based on this information, which statement is most accurate?

• The Earth's freshwater supply is infinite. (we cannot run out)

• Less than 0.3% of Earth's water is drinkable.

• Humans are dependent on ocean water.

• The water cycle returns all usable water to the sea.

Tags

NGSS.MS-ESS2-4

Place the following in order from largest amount of water found on Earth to the smallest: glaciers and ice caps, groundwater, saltwater.

• rivers and lakes, glaciers and ice caps, groundwater, saltwater

• groundwater, saltwater, rivers and lakes, glaciers and ice caps

• saltwater, glaciers and ice caps, groundwater, rivers and lakes

Tags

NGSS.MS-ESS2-4

What is the greatest harm to freshwater?

• animals

• humans

• nothing

• water cycle

Tags

NGSS.MS-ESS3-4

How are features found on land similar to features found on the ocean floor?

• They both have mountains, valleys, canyons, etc.

• They both have only canyons.

• They both have only mountains.

• They aren't similar at all.

Tags

NGSS.MS-ESS2-2

The Mariana Trench is widely studied to -----

• understand how land features are constantly changing

• understand what living organisms are found there

• understand how the ocean floor is constantly changing

• compare it to features on the land

Tags

NGSS.MS-ESS2-2

What would be the best title for the graph based on the data shown?

• Water Conservation

• Types of Freshwater

• Earth's Water Distribution

• Lakes, Glaciers, and Oceans

Tags

NGSS.MS-ESS2-4

What factor is most helpful in telling the difference between ocean water and freshwater?

• Ocean water contains salt.

• Ocean water can't freeze.

• Ocean water has no oxygen.

• Ocean water is always warmer.