Water Quality

cold water makes dissolved oxygen

• increase

• decrease

movement of water makes dissolved oxygen....

• Increase

• Decrease

Tags

NGSS.MS-ESS2-4

photosynthesis makes dissolved oxygen

• increase

• decrease

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Fertilizers in the water makes Nitrogen levels

• increase

• decrease

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

Is this FRESH water or SALT water?

• fresh
• salt

When harmful substances mix with our waterway systems, the result is __________________.

• erosion

• water pollution

• irrigation

• crop rotattion

What does the process of filtration do to the water?

• pollutes it

• increases the amount of water

• purifies it

• makes it unsafe for human use

Where can fresh water not be found?

• glaciers

• underground

• oceans

• lakes and streams

The measure of biological, physical and chemical characteristics of water is called...

• surface runoff

• watershed

• filtration

• water quality

Tags

NGSS.MS-ESS2-4