10.1

What energy change occurs when an electric stove is turned on?

• Mechanical energy is converted into electrical energy

• Electrical energy is converted into chemical energy

• Mechanical energy is converted into heat energy

• Electrical energy is converted into heat energy

Tags

NGSS.MS-PS1-4

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

NGSS.MS-PS4-2

Which cup is the best insulator?

• The paper cup

• The glass cup

• The foam cup

• They were all the same

Tags

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

Tags

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

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

NGSS.MS-PS3-4

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

Latisha notices that when she rubs her hands together, they feel warm. Which of the following is the best explanation for why this happens?

• Energy is reflected into her hands.

• Heat energy is produced by friction.

• Light energy of the sun heats her hands.

• Energy is absorbed from the air by her hands.

Tags

NGSS.MS-PS1-4

Light travels in waves. Which of the following statements about light waves is NOT true.

• They travel in straight lines.

• They can come from natural or artificial sources.

• They can change directions when they are reflected or refracted.

• They can travel through any substance.

Tags

NGSS.MS-PS4-2

Which of the following lists the forms of energy that electricity can be transformed into?

• Heat, mechanical, light, and sound energy

• Chemical, heat, light, and solar energy

• Heat, mechanical, nuclear, and sound energy

• Gravitational, kinetic, solar, and sound energy