Science 8: Conservation

Which of the following has a positive impact on the environment? (comparatively)

• Coal power

• Solar power

• Landfills

• Recycling

What happens to any forest ecosystem when the land is cleared for farming?

• The forest ecosystem will be destroyed.

• The forest ecosystem will be healthy.

• The forest ecosystem will be relocated.

• The forest ecosystem will be unaffected.

What is TRUE about renewable sources of energy?

• Fossil fuels are an example

• They are better for the environment than nonrenewables

• Solar, wind, and hydroelectric are examples

• They can be replaced as quickly as they are used

• They will run out

Pollution caused by a coal factory most directly affects the...

• ocean

• soil

• atmosphere

• groundwater

What are some possible negative effects of using landfills?

• bacteria and garbage run-off

• contamination of drinking water

• nutrients improve soil quality

• recycling increases

Natural Resources are

• Materials that are found on Earth that people use. 
• Rocks that contain metal
• Resources that are continually being replaced and will not run out.
• Resources that cannot be replaced quickly enough to keep from running out. 

Non renewable resources are

• Materials that are found on Earth that people use.
• Rock that contains metal
• Fuels that formed from the remains of things that lived millions of years ago
• Resources that cannot be replaced quickly enough to keep from running out. 

Renewable resources are:

• Materials that are found on Earth that people use
• Rock that contains metal 
• Fuels that formed from the remains of things that lived millions of years ago.
• Resources that are constantly being replaced and will not run out. 

Which is a Natural Resource

• Sunlight
• Computers
• Cars
• Roofs

Which is NOT a natural resource

• Car
• Corn
• Cotton
• Dogs