Energy

Match it! Select the correct answer from the pull down...Good luck!

Which is a natural resource?

Carbon dioxide and methane are examples of what?

Which list contains only renewable energy?

How is the sun responsible for wind power?

What is an effect of our use of fossil fuels?

What happens when the levels of greenhouse gases increase?

What is the original source of all energy on Earth?

Which soil conservation technique involves planting crops in different parts of a farm each year?