Energy and Motion

Where did Energy come from?

• An explosion in space created energy.

• God created the universe and the energy in it

• Many hot gases mixed together to created energy

The roller coaster at the top of the hill is an example of which kind of energy?

• Kinectic energy

• potencial energy

• thermal energy

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This roller coaster moving down the hill is an example of which kind of energy?

• Kinetic energy

• potencial energy

• thermal energy

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A toy truck rolls down a slope. As a truck rolls down the slope, what happens?

• Potencial energy changes to kinectic energy and moves the truck. The truck also gains kinectic energy as it rolls.

• Neither kinectic or potencial energy changes as the truck rolls doen the slope.

• Potencial energy changes to kinectic energy as the truck rolls. The truck also gains potencial as it rolls.

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The ability to do work is FORCE

• TRUE

• FALSE

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The stored energy in an object is POTENCIAL ENERGY

• TRUE

• FALSE

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The energy that an object has due to its motion is KINECTIC ENERGY

• TRUE

• FALSE

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Sophie pushed a marble down the slope of the driveway. How did that change the marble's energy?

• The applied force to the marble increases its weight, wich increases its kinecic energy.

• The applied force to the marble decreases its motion, wich decreases its kinectic energy.

• The applied force to the marble increases its motion, wich increases kinectic energy.

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James threw a basketball rubber ball with the same applied force at the tower of blocks. Wich ball will knock down more blocks.

• The baseball's weight gives it more kinetic energy to knock down more blocks.

• The rubbber ball weight gives kinetic energy to knock down more blocks.

• The rubber ball's speed gives it more kinetic energy to knock down more blocks.

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A blue truck hits the black of a white car. The white car rolls forward. How do you know there is an energy transfer?

• The motion of both vehicles changes

• The truck with it sloes speed has a greater effect on the car

• The white car transfers energy to the blue truck

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