1. Energy Basics

2. Before the bell rings…  Get your binder/folder and a pencil/pen for Mr. Bell to check.  Grab a sheet off the middle stool.  Grab a sheet off the middle stool.

3. Watch this video…  Best Hockey Hits… Best Hockey Hits Best Hockey Hits  On a piece of paper in your notes, write down as many vocabulary terms about energy that you can that you see in the video.  Try and remember from what you have learned in the past….

4. What is Energy?

5.  Energy is ability to do work. Work is exerting force (F) over a distance (d) Work is exerting force (F) over a distance (d) W = F X d W = F X d Force (F) is a push or pull Force (F) is a push or pull

6. 1 st Law of Thermodynamics  Law # 1: Energy can be changed from one form to another, but cannot be created or destroyed. Energy can be changed from one form to another, but cannot be created or destroyed.

7. How does energy relate to the Big Bang?

8. What are the 2 types of energy?

9. What is Potential Energy?  Stored Energy!  Stored in 3 ways: Gravitational- stored energy from object held above the ground Gravitational- stored energy from object held above the ground Chemical- stored energy in bonds of a substance. Chemical- stored energy in bonds of a substance. Elastic- stored energy in a stretched substance. Elastic- stored energy in a stretched substance.

10. What is Kinetic Energy?  Energy of motion OUCH !!!!!!!!!!

11. What types of energy transformations do we see in these demonstrations?  Rubber Band  Isopropyl Alcohol  Ball

12. What is happening to the energy of the Bball?

13. 2 nd Law of Thermodynamics  Law # 2: Energy goes from a more usable form (high quality) to a less usable form (low quality) Energy goes from a more usable form (high quality) to a less usable form (low quality) High quality  SolarHigh quality  Solar Low quality  HeatLow quality  Heat Heat is considered waste energy, it cannot be reused to do workHeat is considered waste energy, it cannot be reused to do work Energy is NOT DESTROYED, ONLY WASTEDEnergy is NOT DESTROYED, ONLY WASTED

14. Looking at Energy Transformations in Real Life Situations  What energy transformations takes place?