Unit 4: Human Impact on the Environment

Front

Coal, oil, and natural gas all come from...

Back

plants and animals that died millions of years ago.

Front

What percentage of our energy use comes from all fossil fuels COMBINED? (Petroleum, coal, & natural gas)

Back

86%

Front

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

Back

We are depleting the fossil fuels much faster than they can form.

Front

How do we get electricity from the sun?

Back

Solar panels use the sun to power turbines.

Front

Some renewable and non-renewable resources can hurt the environment. Which statement is true? Options: Burning coal releases gases and smoke into the atmosphere. Oil spills in the ocean can affect ships. Wind energy can cause harm to plants.

Back

Burning coal releases gases and smoke into the atmosphere.

Front

What is any change in Earth's climate, including global trends in warming, cooling, precipitation, wind directions, and other related measures?

Back

climate change

Front

True or False: Earth's average temperature needs to change more than 10 degrees F within 100 years to cause any global effects.

Back

False

Front

How do greenhouse gases affect our atmosphere?

Back

absorb solar radiation

Front

True or False: Water vapor is a greenhouse gas.

Back

True

Front

What greenhouse gas does cattle (cows), landfills, and carbon mining produce?

Back

methane