Water Quality - Intro

Potable water is water that is ______________.

• polluted

• safe to drink

• unsafe

• biological

The pH of healthy water is _______________.

• 0-14

• 
  9-14

• 0-5

• 6.5-8.5

In 1972, the _______________ established the regulations on putting pollutants into the water

• Environmental Protection Agency (EPA)

• Clean Water Act

What is pollution?

• the release of harmful substances in the environment

• an increase in the growth of algae in a pond

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Most of Earth's water is found in

• glaciers

• icebergs

• lakes

• oceans

Tags

NGSS.MS-ESS2-4

The formula for water is

• H2O2

• H2O

• CO2

Tags

NGSS.MS-PS1-1

What is the process that involves the continuous circulation of water in the Earth's atmosphere?

• Rock Cycle

• Earth Water Cycle

• Water Cycle

Tags

NGSS.MS-ESS2-4

What percentage of the Earth is covered in water?

• 25%

• 100%

• 75%

• 50%

Tags

NGSS.MS-ESS2-4

What amount of the water on the earth is salt water?

• 97%

• 25%

• 72%

• 93%

Which letter represents oxygen?

• H

• O