Water Quality & Distribution

approximately what percent of earth water is salt water

• 87

• 79

• 97

• 9

Tags

NGSS.MS-ESS2-4

What percent of Earth's freshwater is available for humans to use?

• less than 1

• 97

• 3

• 79

Tags

NGSS.MS-ESS2-4

Water underground is stored in

• aquifers

• wells

• reservoir

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of Earth's surface is covered with water. Only 2.5% of Earth's global water is freshwater. Of all the freshwater on Earth, 78% is frozen. Where is most of Earth's water found?

• glaciers

• lakes

• oceans

• rivers

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Water moves through Earth's layers until it reaches a ______ layer.

• saturated

• water table

• impermeable layer

• permeable

Tags

NGSS.MS-ESS2-4

The total amount of water on Earth is constantly changing.

• true
• false

Tags

NGSS.MS-ESS2-4

The process where rain water soaks into the ground through soil and rocks is called __________.

• precipitation
• infiltration
• evaporation
• condensation

Tags

NGSS.MS-ESS2-4

There is about 2% of the Earth's freshwater frozen in icebergs.

• True
• False

Tags

NGSS.MS-ESS2-4

Which part of the ocean would have the lowest salinity?

• in areas near melting glaciers

• in areas near the equator

• in areas with the highest temperatures

• in areas where there is little rainfall