1. Energy and Work

2. What does the word “energy” mean to you?
Energy is ___________________________________ ___________________________________________ ___________________________________________ ___________________________________________

3. Energy Storage and Transfer
Mechanical energy
Kinetic energy (____) – ______________________________
Example – __________________________________
Potential energy (____) – ____________________________ __________________________________________________
Elastic potential energy (____) – ______________________ __________________________________________________

4. Energy Storage and Transfer
Electrical energy
Energy stored in an _______________ (used to make __________________ – ___________________________)
Example – __________________________________
Chemical potential energy
_______________________________________________
Sound energy

5. Energy Storage and Transfer
Light energy
____________________
Example – __________________________________
Nuclear energy
____________________________________________________________________________________________________
Thermal energy
__________________________________________________

6. Kinetic energy Energy associated with _________________
Note that the energy is based on the ________ of an object ______________
_________ the energy does not mean that the object has ________ of the speed it used to have
_______________ the speed makes the energy increase by a factor of _______!

7. Calculating Kinetic Energy
What is the kinetic energy of a 100 kg person running at 4 m/s?

8. Gravitational potential energy
Energy stored by the _______________________ __________________________
Measure of how much energy ___________________ ____________________________
Depends on ______________________, ___________ ______________________, and___________________

9. Gravitational potential energy

10. Calculating EG
What is the gravitational potential energy of a 2 kg book that is sitting on a shelf 2.5 meters above the floor?

11. Energy conversion in a system
Energy can be _____________________ form within a system
Energy flows ________________________ within a system
What is a “system?” ___________________ ____________________________________
Example - pendulum swinging
The system is __________________________

12. Energy Conversion

13. Energy Conversion