Energy

Today we're going to be starting the next assignment topic - energy.  Answer the following in your books:

1. What is energy?
2. Name two different types of energy:
3. Can energy ever be created or destroyed? What can happen to it?
4. What happens to the atoms in this metal bar when you heat it?
5. What is the chemical energy in the methane being converted to here? Try and name two types of energy:                                                                                   
6. What does  a sankey diagram look like?
7. For a light bulb (at the bottom of this page), what is most of it's energy transferred to?
8. Use the activity on this link, explaining when the skater has the most potential energy and when they have the most kinetic energy.