1. Chapter 9
What is ________?

2. _________ Energy is the ability to do ____
There are ___ types of Energy:
________: Energy at ____
_______: Energy in _____

3. Mechanical Energy
Mechanical Energy is the ___ or both _____ AND ________ energy
ME = PE + KE
It is the _____ energy in a system

4. Can you fill in the blanks?

5. Forms of ________ Energy comes in many forms including: _______ Energy
Chemical Energy
Electrical Energy
______ Energy
Light Energy
And _______ Energy
Read

6. Energy Conversions Fill in the type of energy next to each image:
Machines are just energy converters!!

7. Conservation of Energy
Law of ____________ of _______:
Energy can neither be _______ or __________.
The ______ amount of energy is always the ____.
Energy simply changes from one form to another.

8. Perpetual Motion
If energy isn’t created or destroyed…can motion be perpetual (a machine that runs endlessly without any additional energy) ?

9. ____!!!!
Some energy is always ______ and lost to the environment…often as heat, sometimes as light etc. and therefore it is ____ possible for a perpetual motion machine to exist!

10. Energy Resources
An _______________ is a natural resource that can be converted by humans into other forms of energy in order to do work.

11. Nonrenewable
__________________ CANNOT be replaced after they have been used.
(or only over thousands or millions of years)
Examples Include:
_________ ________ (coal, oil, natural gas)
Nuclear Energy

12. Renewable
_________________ CAN be used and replaced in nature over a relatively short period of time.
Examples include:
______ energy
Wood