SUN Lesson 15: Clean Energy

What three sources of natural energy are scientists excited about?

• wind energy

• fossil fuels

• solar energy

• water energy

• geothermal

Scientists have designed wind ____________ that use strong winds to make energy.

Some turbines make enough electricity for one hundred homes.

• True

• False

Scientists have designed _____ that make

electricity on many rivers.

Science have designed solar _______ to turn energy from the

sun into electricity.

When people use renewable energy sources, these sources help to keep the

Earth clean.

• True

• False