Alt Energy Day 2 Slide 1

Front

What did inventors create in the 1950s?

Back

Machines that needed a lot of power to do many tasks.

Front

Are petroleum, natural gas, and coal renewable energy sources?

Back

No, they are not renewable energy sources.

Front

What activities use energy?

Back

Walking, riding a bicycle, and cooking food.

Front

What are large groups of wind turbines called?

Back

Wind communities.

Front

What is the most common form of energy we use?

Back

Electricity.

Front

What is the principle of modern wind turbines similar to?

Back

The old wooden windmills.