Energizing Everything Unit Assessment

Front

What is the relationship between the height of the first hill of a roller coaster and its speed?

Back

The taller the first hill of the roller coaster, the faster the speed of the roller coaster.

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Front

What is the most important feature for achieving high speeds in a roller coaster?

Back

The height of the first drop.

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Front

What happens when a moving bowling ball hits a stationary bowling ball?

Back

The rolling ball will stop, and the stationary ball will start moving.

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Front

What is energy transfer in a collision?

Back

When one object hits another, some of its energy can transfer to the second object, causing it to move.

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Front

What is the outcome when a black bowling ball hits a gray bowling ball?

Back

The black ball will hit the gray ball and transfer some of its energy, causing the gray ball to start moving.

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Front

What is potential energy in the context of roller coasters?

Back

Potential energy is the energy stored in an object due to its height; higher hills have more potential energy.

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Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion; the faster an object moves, the more kinetic energy it has.

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Front

How does the number of hills affect the speed of a roller coaster?

Back

The number of hills can affect the overall speed, but the height of the first hill is more critical for initial speed.

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Front

What is the effect of friction on a roller coaster's speed?

Back

Friction slows down the roller coaster, reducing its speed as it moves along the track.

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Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed; it can only be transformed from one form to another.

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