Earth System Lesson

by Mrs. Kleven

Earth System Review

Multiple Choice

Which system would benefit the most from reducing factory emissions that affect air quality?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

Multiple Choice

Which system would benefit the most from limiting fertilizer and pesticide use near water?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

Multiple Choice

Which system would benefit the most from reducing the amount of garbage by reusing and recycling?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

Multiple Choice

Which system would benefit the most from protecting plant and animal habitats?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

Human Affect on Water

​Watch the video and note how humans affect Earth's freshwater and what we can to conserve water.

Multiple Select

Which of the following can humans do to conserve freshwater on Earth? Choose all that apply.

• Take shorter showers

• Turn off the sink when you brush your teeth

• Protect freshwater reservoirs

• Go swimming

​Landfills

• ​Here's a picture of a landfill

• ​If your community was going to need a place for a landfill, think about where it would be least likely to affect the water supply.

  • ​Right next to the community's main water supply?

  • ​Above the community's aquifer?

  • ​At the top of a hill with streams around the base?