Science Y 5-6: Conservation of energy

Can energy be created?

• Yes

• No

What is the Law of conservation of energy??

• Energy can neither be created or destroyed

• Energy can be created and destroyed

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Energy may change form? Is this a true statement?

• Yes

• No

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Mechanical energy is the energy an object has because of its ________ and/or because of its _______________.

• motion, position

• position, size

• motion, direction

Which energies are part of mechanical energy?

• Gravitational potential energy, elastic potential energy and kinetic energy

• Potential energy, kinetic energy and chemical energy

• Elastic potential energy, chemical energy and kinetic energy

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Mechanical energy is the moving energy , ______________, and the stored energy, ____________.

• kinetic, potential

• potential, kinetic

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Can energy be converted from one energy to another?

• Yes

• No

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What energy has the car used in moving down the hill and stopping at the gas station? The car is not on as it has run out of gas and is coasting down the hill/free wheeling.

• Gravitational potential energy, kinetic energy, mechanical energy

• Gravitational potential energy, kinetic energy , chemical energy

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This Olympic skier is ready to do his jump. What energies will he use?

• Gravitational potential energy, kinetic energy

• Gravitational potential energy, heat energy

• Kinetic energy, chemical energy

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The bungee jumper will have energies change as she jumps. What energy will you observe at A, B and C?

• A: kinetic energy

  B: potential energy

  C: gravitational potential energy

• A: gravitational potential energy

  B: kinetic energy

  C: elastic potential energy

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