Energy 1

Which ball would have the most kinetic energy?

¿Cuál pelota tendría la mayor energía cinética?

• a ball sitting on top of a cliff

  bola sentada en la cima de un acantilado

• a ball sitting on a table

  bola sentada en una mesa

• a ball moving through the air

  una bola moviéndose por el aire

• a ball buried underground

  una bola enterrada bajo tierra

Answer explanation

Kinetic energy deals with movement

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Assuming the marbles reach the same speed, which will have the greatest kinetic energy at the bottom of the ramp?

Suponiendo que las canicas alcancen la misma velocidad, ¿cuál tendrá la mayor energía cinética en la parte inferior de la rampa?

• Marble A: 10 gram

• Marble B: 15 grams

• Marble B: 15 grams

• Marble D: 25 grams

Answer explanation

Mass directly affects kinetic energy

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Which object would have the greatest velocity?

¿Qué objeto tendría la mayor velocidad?

• Object A, with 60 joules of kinetic energy

• Object B, with 80 joules of kinetic energy

• Object C, with 20 joules of kinetic energy

• Object D, with 10 joules of kinetic energy

Answer explanation

The greater the kinetic energy the greater the velocity

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Which variable has a direct impact on the kinetic energy of a moving object?

¿Qué variable tiene un impacto directo en la energía cinética de un objeto en movimiento?

• Shape

• Color

• Mass

• Volume

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The energy something has when it is moving is called...

La energía que tiene algo cuando se mueve se llama ...

• kinetic energy

• electrical energy

• chemical energy

• elastic potential energy

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When you stretch a rubber band, you give it...

Cuando estiras una goma, le das ...

• gravitational potential energy

• elastic potential energy

• kinetic energy

• electrical energy

When you are riding a skateboard down a ramp, how do potential and kinetic energy change?

Cuando estás montando una patineta por una rampa, ¿cómo cambia la energía potencial y cinética?

• Potential and kinetic energy both decrease as you move down the ramp.

• Potential and kinetic energy both increase as you move down the ramp.

• As you move down the ramp, kinetic energy decreases and potential energy increases.

• As you move down the ramp, kinetic energy increases and potential energy decreases.

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At what point on the roller coaster do the riders have the greatest amount of potential energy?

¿En qué punto de la montaña rusa tienen los ciclistas la mayor cantidad de energía potencial?

• A

• B

• C

• D

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Which factor can have the greatest effect on increasing the potential energy of an object?

¿Qué factor puede tener el mayor efecto en aumentar la energía potencial de un objeto?

• Changing the object’s position.

• Changing the object’s volume.

• Increasing the object’s speed.

• Increasing the object’s velocity.

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Which statement about potential energy of the ball is true?2

¿Qué afirmación sobre la energía potencial de la pelota es verdadera?

• The ball’s potential energy at Point A and Point B is the same.

• The ball’s potential energy at Point B is zero.

• The ball’s potential energy at Point A and Point B is different.

• The ball’s potential energy at Point A is zero.

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