G7 T7 L2: Renewable Energy Resources

Front

Which of Earth's cycles powers hydroelectric dams?

Back

The water cycle

Front

How does the sun power wind turbines?

Back

By causing temperature differences that move air

Front

What is considered as biomass?

Back

All living things

Front

Most renewable energy is stored energy from which source?

Back

The Sun

Front

Why are some energy resources referred to as "renewable"?

Back

Because they are unlimited and can be replaced by nature

Front

Using renewable energy resources can reduce our dependence on what?

Back

Nonrenewable resources

Front

What is the difference between passive solar power and active solar power?

Back

Active solar power generates electricity, while passive solar power heats things

Front

When creating electricity with hydroelectric resources, what do turbines convert?

Back

The energy of moving water into electricity

Front

What are the benefits of using solar panels as an alternative energy resource?

Back

Renewable, no pollution

Front

What is a cost associated with solar panels?

Back

Expensive: inconsistent availability of sunlight