Energy Transfer and Waves Quiz

Imagine that a truck collides with a stationary car at the bottom of the hill. The car is pushed and begins moving and the truck slowly comes to a stop. Based on the outcome of the collision, describe the energy transfer that occurred between the truck and the car.

• Mechanical energy from the truck was transferred to the car.

• Motion energy was transformed into potential energy.

• Collision energy was transferred to the car.

• Mechanical energy from the car was transferred to the truck.

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Sound moves in waves. If a sound is played on repeat, which of the following statements is true?

• The sound waves will increase in frequency over time.

• The sound waves will follow the same pattern over time.

• The sound waves will be heavier over time.

• The sound waves will lose energy over time.

An engineer is trying to build a car that does not use fossil fuels or chemical energy to move. What do you suggest the engineer use to power the car?

• Solar panels

• Gasoline

• Lightbulbs

• Batteries

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Tumbling dominoes are an example of both energy transfer and energy transformation. Which of the following best explains this?

• The dominoes gain energy from the floor and transfer it back to the floor as they fall.

• Sound energy causes the dominoes to fall, demonstrating energy transfer and transformation.

• The energy in each domino disappears once it falls, showing both energy transfer and energy transformation.

• Mechanical energy moves from one domino to the next, causing them to fall, and some of this energy is transformed into sound as the dominoes collide.

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You are racing a toy boat across a pond. Which type of wave would cause the boat to move the fastest?

• Waves with a short frequency

• Waves with a high frequency

• Waves with a small amplitude

• Waves with a long wavelength

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How can a pattern of clapping sounds be used to transfer information?

• By clapping continuously to keep everyone’s attention.

• By clapping at random to entertain listeners with unique sounds.

• By creating different clapping patterns that represent letters or words, allowing a message to be communicated.

• By clapping slowly and loudly to show excitement.

You have set up a circuit that uses one battery to light two bulbs. One of the bulbs burns out, causing the other bulb to turn off. Why does this happen?

• The battery is not strong enough to power both bulbs.

• The circuit is a series circuit, so if one bulb goes out, the path for electricity is broken and the other bulb turns off.

• The circuit is a parallel circuit, so when one bulb goes out, the other bulb must also turn off.

• The burned-out bulb absorbs all the electricity, preventing the other bulb from lighting.

The wind can create waves, which decreases water energy.

• True

• False

Water and wind generate energy by moving side to side, not up and down.

• True

• False

Water wheels can rotate faster if there is a great amount of wind energy.

• True

• False