What is an energy source?
Something that provides energy
What is a renewable energy source?
A source of energy that can be used over and over again.
What is a non-renewable energy source?
Sources of energy that are used up faster than they are replaced.
What are examples of renewable energy sources?
Wind, sun, and water.
What are 3 examples of non-renewable energy sources?
Coal, natural gas, and gasoline
What is an advantage of using solar (sun) energy?
The sun is free to use. Does not create pollution.
What is a disadvantage of solar (sun) energy?
You can only use it during the day. Solar panels are very big and expensive.
What is an advantage of wind energy?
Wind is also free to use. There will always be wind. It does not create pollution.
What is a disadvantage of wind energy?
You need a windmill to harness the power.
What is an advantage of hydro (water) energy?
Water is always available. Don't have to wait to use it. Plenty of water.
What is a disadvantage of hydro (water) energy?
You have to live near a body of water. Need a dam to hardness the energy.
What is an advantage of coal energy?
It is cheap to use. Easy to get. Anyone can buy it from a lot of places.
What is a disadvantage of coal energy?
It creates a lot of pollution. It is quickly being used up. Big shortage during Christmas time.
What is an advantage of gasoline energy?
Easy to burn to power our cars. Very accessible.
What is a disadvantage of gasoline energy?
It creates a lot of pollution. Prices are always rising due to us consuming too much.
