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This is the “energy of motion”. Moving objects have this form of energy.

This is the “energy of motion”. Moving objects have this form of energy. . Kinetic Energy. “Stored’ energy is… . Potential Energy. Energy is something elastic, like a rubber band, is called…. Elastic Potential Energy.

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This is the “energy of motion”. Moving objects have this form of energy.

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  1. This is the “energy of motion”.Moving objects have this form of energy. Kinetic Energy

  2. “Stored’ energy is… Potential Energy

  3. Energy is something elastic, like a rubber band, is called… Elastic Potential Energy

  4. GPE = weight x heightWhat is the GPE of a 35N rock balanced on the edge of a cliff 220m high? 35N x 220m = 7,700 J

  5. The Law of Conservation of Energy states that …. Energy cannot be created or destroyed

  6. What is Electrical Energy? Moving electrical charges that produce electricity

  7. What type of energy does a sling shot have? Elastic Potential Energy

  8. 1 kilowatt (kW) is equal to _____ watts (W)? 1,000 W

  9. Objects that are going really, really fast have….?More kinetic energyLess kinetic energyKinetic energy doesn’t change a. More kinetic energy

  10. What do we call the ability to do work or cause change? Energy

  11. What is Mechanical Energy? The energy in objects that move

  12. GPE = mass x gravitational acceleration x heightWhat is the GPE of a 30kg dog ready to jump on you off of a couch that is 0.5m high? 30kg x 9.8m/s2 x 0.5m = 147 J

  13. The energy of a leaf ready to fall from a tree branch is called… Gravitational Potential Energy

  14. The total energy of the particles in an object is which form of energy? Thermal Energy The more thermal energy, the more heat it has

  15. P = work timeWhat is the power used by a lawn mower that does 280 J of work in 1200 seconds? 280 J = 0.2W 1200 s

  16. The energy stored in chemical bonds is which form of energy? Chemical Energy

  17. What happens to the Gravitational Potential Energy of something if it moved to a higher place? The GPE will increase

  18. Waves of energy, like light, microwaves, and x-rays is which form of energy? Electromagnetic Energy

  19. KE = mass x velocity2 2 A 85kg bowling ball is rolling at 2 m/s. What is its kinetic energy? 85 x (2) 2 = 170 J 2

  20. Objects with more mass have…?More kinetic energyLess kinetic energyKinetic energy doesn’t change a. More kinetic energy

  21. A nuclear power plant is an example of which form of energy? Nuclear Energy

  22. Coal, oil, wood, food are all examples of this form of energy. Chemical Energy

  23. Power = force x distance time How long will it take a dog using 80 W of power to pull a 500N dogsled 1,000 m 80W = 500N x 1,000m time time x 80 = 500,000 x time time 80 x time = 500,000 80 80 time = 6250 seconds

  24. Energy stored in a spring is called… Elastic potential Energy

  25. How do we determine the POWER of a machine? Power is the rate at which work is done.

  26. The motor in a car provides this form of energy. Mechanical Energy

  27. UV radiation from the sun is this form of energy. Electromagnetic Energy

  28. Power = force x distance timeIt takes a kid 4 seconds to lift a 8N bag of dog food onto a shelf 3 meters high.How much power is he using? P= 8N x 3 m = 6W 4 s

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