Holt Environmental Water

An underground layer of rock or sediment that holds water

• watershed
• groundwater
• permeability
• aquifer

It refers to the removal of salt from ocean water

• dam
• reservoir
• salination
• desalination

2/3 of freshwater on Earth is "locked away" in what water source location?

• atmosphere
• rivers and lakes
• underground
• ice and glaciers

Tags

NGSS.MS-ESS2-4

____________ is the water that collects in spaces and soil UNDERGROUND.

• Soil water
• Groundwater
• under pools
• ice caps

Tags

NGSS.MS-ESS3-1

A specific source of pollution is known as

• Water pollution
• Point source 
• Non-point source 

Tags

NGSS.MS-ESS3-3

What % of freshwater is on Earth?

• 97%
• 71%
• 3 % 
• 1 %

Tags

NGSS.MS-ESS2-4

Widespread pollution problems are known as...

• Point source
• Non-point source
• Erosion

Tags

NGSS.MS-ESS3-4

Animal wastes that runoff into water is an example of which types of pollution?

• bacterial & chemical 
• chemical & sediment
• nutrient & bacterial 
• sediment & nutrient

A barrier that runs across a river or stream to control the flow of water.

• Reservior
• River
• Dam
• Levee

Tags

NGSS.MS-ETS1-4

The uppermost level at which the water in a given area fully saturates rock or soil.

• Impermeable surface
• Rock and mantle
• water table
• groundwater recharge