Unit 4 study guide

What percentage of the Earth's fresh water is available to us?

• 97 %

• 7 %

• 1 %

• 50 %

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Examples of marine debris are:F

• Plastic bags

• Coral reefs

• Fishing equipment

• Soda cans

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Marine debris can cause animals to:

• Starve

• strangle

• Suffocate

• all of the above.

Tags

NGSS.MS-LS2-4

How much of water on Earth is FRESH SURFACE water?

• 0.3%

• 3%

• 97%

• 30%

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a major use of freshwater?

• Residential

• Agricultural

• Industrial

• Clouds

Tags

NGSS.MS-ESS2-4

What is a point-source pollution?

• Oil spilling from supertanker
• Drainpipe spilling waste into river
• Toxic Chemicals
• Single sites of waste

What is a Non-Point source Pollution?

• Soil from farms
• Acid rain
• Damaged Sewer Pipe or system 
• Salts from irrigation of farm fields

What is Pollution?

• Increase in Earths temperatures
• Sudden growth in algae in a pond
• Decrease in oxygen in water
• Harmful substance in environment

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Water pollution that comes from many sources is considered...

• point source pollution
• nonpoint source pollution
• thermal pollution
• ocean pollution

Tags

NGSS.MS-ESS3-3

Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters.

• Safe Drinking Water Act
• Clean Water Act
• Water Quality Act
• Lacey Act