End of Year Earth 8.E.1.1 8.E.1.2 8.E.1.3 8.E.1.4

Which is Earth’s largest source of drinkable water?

• lakes

• rivers

• oceans

• aquifers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

The graph shows the distribution of the freshwater resources of Earth. Which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater

Tags

NGSS.MS-ESS2-4

Which factor has the greatest effect on a community’s stores of fresh water?

• the location of the nearest ocean

• the average annual rainfall

• the location of the nearest mountain

• the average winter temperature

Tags

NGSS.MS-ESS2-4

Which of the following contains MOST of the water on Earth?

• the oceans

• watersheds

• the atmosphere

• ice and aquifers

The figure above shows how water is distributed on Earth. Which of the following contains the largest percentage of Earth’s fresh water?

• lakes

• groundwater

• glaciers and ice caps

• ground ice and permafrost

Tags

NGSS.MS-ESS2-4

Which best describes the role of the water cycle?

• circulates existing water on Earth

• reduces pollution in most of the water

• increases usable supply of Earth’s water

Tags

NGSS.MS-ESS2-4

If water is recycled in the atmosphere, which best describes why water availability on Earth is decreasing?

• An increase in droughts is slowly reducing freshwater reservoirs.

• Due to an increase in Earth’s temperature, evaporation rates continue to increase reducing liquid water on the surface.

• Earth’s freshwater continues to become more polluted, reducing the supply of freshwater safe for humans to consume.

Tags

NGSS.MS-ESS2-4

Where does most fresh water exist?

• ice caps, lakes, and streams

• glaciers, rivers, and oceans

• aquifers, ice caps, and glaciers

Tags

NGSS.MS-ESS2-4

Which percentage represents the amount of Earth’s water that is found in oceans?

• 3%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

The water within an estuary can be best described as

• salty

• fresh

• a mix of salty and fresh water