Land Use
Water Use
Atmosphere
Energy
Sustainability
100

How does overgrazing lead to desertification?

Erosion

100

When saltwater enters a freshwater aquifer

saltwater intrusion

100

What is one major source of CO2 emissions in the atmosphere?

Fossil Fuel emissions

100

What is the difference between fission and fusion?

fission = split apart

fusion = come together

100

What is one way to reduce household waste?

Recycling

200

Which slope range should be avoided for development?

28–30° slopes

200

What is reverse osmosis used for?

To remove chemicals and saltwater

200

What law reduced pollutants in the atmosphere?

clean air act

200

how do solar panels make electricity?

Using energy from the sun

200

What service can cities add to reduce CO2 emissions?

public transportation

300

What land-use activity increases erosion

deforestation

300

How do marshes protect ecosystems?

filtration

300

What pollutant creates acid rain?

Sulfur dioxide

300

Which energy source releases the LEAST amount of CO2

Wind power

300

What can people do to restore land that has previously been mined for its resources?

replant trees

400

What is one threat to venus flytrap populations?

Poaching

400

How does farming affect nearby river systems?

Pollution. runoff. fertilizers. eutrophication

400

What tool do climatologists use to study ancient climate data? 

Ice cores

400

Which energy source uses undergound heat?

Geothermal

400

Name three types of clean renewable energy

Solar, wind, hydroelectric, geothermal, etc.

500

Why are steep slopes more prone to landslides?

Runoff

500

Name a solution to prevent eutrophication

reduce runoff, less pollution

500

What is a negative health effect of particulate matter at low altitudes in the atmosphere?

asthma, lung cancer, etc.

500

Which kind of energy source uses the radioactive decay of elements like uranium to make energy?

Nuclear


500

What is the difference between a teacher and a train?

A teacher says spit our your gum, but a train says chew chew