2. Energy Transformations SC Standard 6-5.2 up A roller coaster rolls up a hill. down A roller coaster rolls down a hill. changing 1. Energy transformation means energy changing from one form to another. a. Examples involving potential and kinetic energy Kinetic  PotentialPotential  Kinetic On the way up a hill, kinetic energy turns into potential energy. (The roller coaster loses speed as it gains height.) On the way down a hill, potential energy turns into kinetic energy. (The roller coaster loses height as it gains speed.)

3. Energy Transformations SC Standard 6-5.2 changing 1. Energy transformation means energy changing from one form to another. a. Examples involving potential and kinetic energy Kinetic  PotentialPotential  Kinetic stretched a rubber band is stretched released a stretched rubber band is released and flies

4. Energy Transformations SC Standard 6-5.2 changing 1. Energy transformation means energy changing from one form to another. a. Examples involving potential and kinetic energy Kinetic  PotentialPotential  Kinetic lifted a book is lifted to a shelf falls a book falls off a shelf

5. Energy Transformations SC Standard 6-5.2 b.Mechanical energy transformations may involve other kinds of energy. 1.When a dropped book hits the floor the kinetic energy is transformed into heat and sound. kineticheatsound ( kinetic  heat and sound )

6. Energy Transformations SC Standard 6-5.2 b.Mechanical energy transformations may involve other kinds of energy. 2.The kinetic energy of water that runs over a dam might be transformed into electrical energy with a generator. kineticelectrical ( kinetic  electrical ) solarpotential 3.Solar energy evaporates water at a low elevation and deposits it at a higher elevation, giving it potential energy. ( solar  potential ) http://ga.water.usgs.gov/edu/hyhowworks.html

7. Energy Transformations SC Standard 6-5.2 2.The Law of Conservation of Energy createddestroyed a.Energy is never created or destroyed changed b.Energy can be changed from one form to another i.Green plants transform the Sun’s energy into food. solar chemical ( solar energy  chemical energy ) ii.Animals use energy from food to move. chemicalmechanical ( chemical energy  mechanical energy )

8. Energy Transformations SC Standard 6-5.2 fossil iii. Carbon-based ( fossil ) fuels are made from the bodies of plants and/or animals. Carbon-based fuels (wood, natural gas, petroleum, or coal) are burned. chemicalheat chemical energy  heat energy iv. The energy from burning fossil fuels can be used to turn a turbine in a power plant. heatmechanical heat energy  mechanical energy v. A turning turbine in a power plant sends power to homes. mechanicalelectrical mechanical energy  electrical energy http://www.tva.gov/power/images/coalart.gif

9. Energy Transformations SC Standard 6-5.2 Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

10. Energy Transformations SC Standard 6-5.2  water flows over a dam What energy conversion takes place when water flows over a dam? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

11. Energy Transformations SC Standard 6-5.2  a plant produces food What energy conversion takes place when a plant produces food? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

12. Energy Transformations SC Standard 6-5.2  a match burns What energy conversion takes place when a match burns? and Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

13. Energy Transformations SC Standard 6-5.2  a woman moves her arm What energy conversion takes place when a woman moves her arm? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

14. Energy Transformations SC Standard 6-5.2  a stereo speaker plays music What conversion takes place when a stereo speaker plays music? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

15. Energy Transformations SC Standard 6-5.2  a light bulb in a circuit is turned on What conversion takes place when a light bulb in a circuit is turned on? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)

16. Energy Transformations SC Standard 6-5.2  wind lifts a kite higher What energy conversion takes place when wind lifts a kite higher? Examples of energy transformations from your notes: 1. a roller coaster rolls up a hill (kinetic  potential) 2. a roller coaster rolls down a hill (potential  kinetic) 3. a rubber band is stretched (kinetic  potential) 4. a stretched rubber band is released (potential  kinetic) 5. a dropped book hits the floor (kinetic  heat and sound) 6. Green plants transform the Sun’s energy into food. (solar  chemical) 7. Animals use energy from food to move. (chemical  mechanical) 8. Carbon-based fuels are burned. (chemical  heat) 9. Burning fossil fuels turn a turbine in a power plant. (heat  mechanical (kinetic)) 10. A turning turbine is used to send power to homes. (mechanical (kinetic)  electrical)