Energy Concepts Quiz

Which is evidence that a bowling ball has more energy when it is moving fast?

• It has more mass when moving faster.

• It can knock over more pins when moving faster.

• The bowling ball will reach the pins in a longer amount of time when it moves fast.

• A bowling ball can knock over more pins than a soccer ball moving at the same speed.

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The _______________ energy of a roller coaster is the energy of its motion.

• kinetic

• potential

• thermal

• chemical

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Stretching a coil or spring increases its __.

• potential energy

• kinetic energy

• direction

• speed

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Because jaguars can run faster than sloths they move with more _______________ energy than sloths.

• kinetic

• potential

• thermal

• chemical

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Suppose you are riding a bike. As you increase speed, your _____________

• energy of motion increases

• energy of motion decreases

• stored energy increases

• energy is used up

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How can the speed of a dropped ball be increased?

• Roll it down a hill instead to increase the amount of friction.

• Drop a larger ball to increase the amount of friction.

• Decrease the height from which it is dropped to give it more potential energy.

• Increase the height from which it is dropped to give it more potential energy.

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If the amount of kinetic energy an object has is _______________, then the object will move faster.

• increased

• decreased

• unchanged

• halved

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Which is false what happens during a roller coaster ride?

• As the cars go down the hill, the energy of motion increases.

• As the cars pull to the top of the first hill, the potential energy increases.

• As the cars slow down at the end of the ride, energy of motion decreases.

• As the cars pull to the top of the first hill, the potential energy decreases.

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There are two ramps with books standing at the bottom. One ramp is taller than the other. If you roll a ball down each ramp, which ball will hit the books harder?

• The ball from the taller ramp

• The ball from the shorter ramp

• Both balls will hit with the same force

• Neither ball will hit the books

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The energy of motion is __________.

• not determined by an object's position above a surface

• kinetic energy

• potential energy

• thermal energy

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