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Jason stretches a rubber band between his fingers as shown. When he plucks the rubber band, it makes a sound. Which of the following BEST explains why the rubber band makes a sound when Jason plucks it?

• It heats the air.

• It vibrates the air.

• It absorbs energy from the air.

• It releases molecules into the air.

Tags

NGSS.MS-PS4-1

Joe touched the metal spoon that was sitting in a hot pot on the stove. He felt like he burned his hand. Why did this happen?

• The spoon was hot because heat transferred from the soup to the spoon.

• The spoon was hot because heat transferred from the soup to the pan.

• The spoon was hot because the temperature of the soup did not change.

• The spoon did not get hot, he burned his hand on the stove.

Tags

NGSS.MS-PS1-4

Which cup is the best insulator?

• The paper cup

• The glass cup

• The foam cup

• They were all the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of these is NOT a good conductor of heat?

• A penny

• A spoon

• A toothpick

• A cookie sheet

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NGSS.MS-PS3-3

During a storm, the power goes out at Randall's house. His mother strikes a match to light a candle. As the match burns, it gives off light energy. What other form of energy does the burning match give off?

• chemical

• electrical

• mechanical

• thermal

Tags

NGSS.MS-PS3-3

In many electrical factories, fossil fuels are burned to boil water and generate steam. This steam is then used to help generate electricity. What type of energy is given off by the fossil fuels and used to boil water?

• chemical energy

• heat energy

• light energy

• sound energy

Tags

NGSS.MS-PS3-3

Miguel is rolling a ball down a hill. Which form of energy is being represented?

• chemical energy

• electrical energy

• mechanical energy

• thermal energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Damian was studying mechanical energy in science class. He noticed several possible examples of mechanical energy in his environment. Which of the following is an example of mechanical energy?

• A lamp that is not plugged in.

• An unused battery.

• A windmill with no wind.

• A garden hose with moving water.

Tags

NGSS.MS-PS3-5

Laura has a flashlight, a candle, and a lamp. All of them create light energy. What other type of energy do they create?

• Sound Energy

• Nuclear Energy

• Heat Energy

• Mechanical Energy

A student plays drums with drumsticks. What produces the sound heard when the drumsticks make contact with the drum?

• Magnetic Energy

• Chemical Energy

• Vibrations of the drum

• Vibrations of the drumsticks

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2