Essential questions
Where does energy come from?
What is electricity and why it is important to us?
What is the difference between renewable and nonrenewable energy?
What are the advantages and disadvantages of renewable and nonrenewable energy sources?
What is the difference between potential energy and kinetic energy?
How can potential energy be converted into electricity?
What is the greenhouse effect?
How does our use of fossil fuels contribute to global climate change?
What can we do to reduce global climate change?