2. Unit 7: Energy. Bell Ringer: You are on a roller coaster 92 meters above the ground traveling at 14 m/s. You weigh 400 N (or approximately 40.8 kg). What is your mechanical energy? Show your work and include your units!

3. 1. Where would you find the most potential energy on a roller coaster? 2. Where would you find the most kinetic energy on a roller coaster? 3. What type of energy transformation is taking place when a roller coaster goes down a hill? __________  __________ Unit 7: Energy. Energy Types and Transformations. REVIEW

4. Mechanical Electromagnetic Electrical Chemical Thermal Nuclear Unit 7: Energy. Energy Types and Transformations. Types of Energy

5. Unit 7: Energy. Energy Types and Transformations.

6. Energy transmitted through the compression of matter Mechanical energy because it is in moving waves Examples: Hearing music from a radio, thunder Unit 7: Energy. Energy Types and Transformations. Mechanical Energy – Sound

7. The heat energy of an object determines how active its atoms and molecules are. A hot object is one whose atoms and molecules are excited and show rapid movement. A cooler object's molecules and atoms will show less movement. Unit 7: Energy. Energy Types and Transformations. Thermal Energy (Heat)

8. Energy that is available for release from chemical reactions. The chemical bonds in a match stick store energy that is transformed into thermal energy (fire) when the match is struck. Unit 7: Energy. Energy Types and Transformations. Chemical Energy

9. Unit 7: Energy. Energy Types and Transformations. Chemical Energy

10. Involves all energy found within electromagnetic spectrum. These types of energy travel in waves. These waves have electrical properties and magnetic properties. Unit 7: Energy. Energy Types and Transformations. Radiant Energy (Light / Electromagnet)

11. Electromagnetic Spectrum Unit 7: Energy. Energy Types and Transformations. Radiant Energy (Light / Electromagnet)

12. Energy caused by the movement of electrons. Easily transported through power lines and converted into other forms of energy. Most common energy type throughout U.S. households. Unit 7: Energy. Energy Types and Transformations. Electrical Energy

13. A type of potential energy stored in the nucleus of an atom and released as nuclear reactions. These reactions releases tremendous amounts of energy. Unit 7: Energy. Energy Types and Transformations. Nuclear Energy Types of Nuclear Energy: —Nuclear fission reaction: nucleus splits —Nuclear fusion reaction: nuclei fuse or join together

14. What type of energy cooks food in a microwave oven? What type of energy is the spinning plate inside of a microwave oven? RADIANT ENERGY MECHANICAL ENERGY Unit 7: Energy. Energy Types and Transformations. Review

15. Electrical energy is transported to your house through power lines. When you plug an electric fan to a power outlet, electrical energy is transform into what type of energy? Unit 7: Energy. Energy Types and Transformations. Review MECHANICAL ENERGY

16. What energy transformation occurs when an electric lamp is turned on? Unit 7: Energy. Energy Types and Transformations. Review and Transformations ELECTRICAL ENERGY  RADIANT ENERGY

17. What types of energy are shown below? Unit 7: Energy. Energy Types and Transformations. Review and Transformations MECHANICAL ENERGY & THERMAL ENERGY (Don’t forget friction!)

18. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? CHEMICAL ENERGY

19. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? ELECTRICAL ENERGY MECHANICAL ENERGY RADIANT ENERGY

20. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? CHEMICAL ENERGY

21. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? THERMAL ENERGY

22. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? CHEMICAL ENERGY  THERMAL ENERGY

23. Unit 7: Energy. Energy Types and Transformations. Review and Transformations What types of energy are shown below? CHEMICAL ENERGY  RADIANT / ELECTROMAGNETIC ENERGY

24. Draw a flow map showing the flow of energy transformations in a car from starting vehicle to driving. You should have 5 different types of energy. Unit 7: Energy. Energy Types and Transformations. Review and Transformations

25. Chemical Electrical Sound (mechanical) Light (Radiant/ Electromagnetic) Thermal Mechanical Unit 7: Energy. Energy Types and Transformations.