Question 1

Examples of objects that use different types of energy to perform their functions are shown.

Which examples use mechanical energy to perform their functions?

Accepted Answer

Examples 1, 3, and 4

Answer

Examples 1 and 2 only

Answer

Examples 1, 2, and 4

Answer

Examples 3 and 4 only

Question 2

The photograph shows a laser cutting a sheet of metal as the laser moves from one end of the metal to the other.

Four groups of students each made a table of examples of the different types of energy involved in this process. Which of these tables is correct?

Accepted Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/0779eb588d255ce6904fec6b7055f350a185882a.png

Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/2ad52d659c70d5c48a1a742f3128fea7ff28d257.png

Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/e1c97d14a647cce9ebca6306e3674282b1f1aa50.png

Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/b00ae7f585d0f74ee18b74f670db7bcd80a3e50b.png

Question 3

Eight activities that use energy are listed in the box.
Each of these activities requires the use of which kind of energy?

Accepted Answer

Mechanical

Answer

Electrical

Answer

Sound

Answer

Thermal

Question 4

Which of these devices is the only one NOT designed to produce both sound and light energy?

Accepted Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/6a79ab3aa9835f039b87ee66dd68bc084867ece5.png

Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/178708344ae28c56676cd03ada0600414bdd44a0.png

Answer

https://uploads.quizalize.com/71d84910-e454-4c76-b855-bd937f5206b8/question/5f974b447e4bce383ca73afd212fb2b5e76a9dd7.png

Answer

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Question 5

A family was vacationing in the mountains in a cabin that had no electrical power. They needed boiling water in order to prepare dried soup mix.

With no electrical energy available, which method would most likely provide enough thermal energy to quickly heat the water to boiling?

Accepted Answer

Placing a metal pot of water over glowing charcoal in an outdoor grill for 10 minutes

Answer

Using a microwave oven to heat water in a glass jar for 3 minutes

Answer

Shining a battery-powered flashlight on a metal container of water for 10 minutes

Answer

Shaking the water in a closed, insulated plastic bottle for 3 minutes

Question 6

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?

Accepted Answer

Electrical and thermal

Answer

Thermal and mechanical

Answer

Light and sound

Answer

Mechanical and electrical

Question 7

Which object requires only mechanical energy to perform its main function?

Accepted Answer

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Answer

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Answer

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Answer

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Question 8

A student made a list of activities that involve energy. Which activities on the list are examples of the use of mechanical energy?

Accepted Answer

Activities 1, 4, and 6

Answer

Activities 3, 5, and 6

Answer

Activities 1 and 2

Answer

Activities 2, 4, and 5

Question 9

An old-fashioned metal toy is shown below. When the candle is lit, the carousel of horses begins to turn. Which of these correctly describes the energy that makes the carousel turn?

Accepted Answer

Heat from the candle produces currents of warm air.

Answer

Light from the candle produces wind currents.

Answer

Heat from the candle produces electrical energy.

Answer

Light from the candle produces mechanical energy.

Question 10

A student uses a set of headphones to listen to music. Which of these objects uses the same source of energy as the headphones?

Accepted Answer

A keyboard using electrical energy

Answer

A piano using mechanical energy

Answer

A flute using wind energy

Answer

A teapot using thermal energy

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