Energy Review (TEST)

Some interactions involve more than one form of energy. Which forms of energy are produced when a hammer hits a nail?

• electrical and mechanical

• sound and mechanical

• light and sound

• chemical and mechanical

Tags

NGSS.MS-PS2-1

The prism below is made of glass. What happens to the light as it passes through the prism?

• It bends.

• It repels.

• It reflects.

• It is absorbed.

Tags

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NGSS.MS-PS4-2

The diagram below shows the parts of a wire. Which statement accurately describes the parts of the wire?

• Copper and plastic are both good insulators.

• Copper and plastic are both good conductors.

• Copper is a good conductor, while plastic is a good insulator.

• Copper is a good insulator, while plastic is a good conductor.

Erica tightens a string on her guitar. Why does tightening the string make it produce a higher pitched sound?

• The string vibrates faster.

• The string vibrates slower.

• The string vibrates for a longer time.

• The string vibrates for a shorter time.

Tags

NGSS.MS-PS4-1

Trevor makes an electrical circuit that has a switch as one of its parts. The diagram below shows the circuit he makes. What would happen to the light bulb if Trevor changes the switch from closed to open?

• The light bulb would make a sound.

• The light bulb would glow brighter.

• The light bulb would stop glowing.

• The light bulb would start glowing.

Tags

NGSS.MS-PS3-5

Olivia is combing her hair. After a while, she notices that the comb attracts the hairs on her head as shown below. Which explanation BEST describes why the hairs are attracted to the comb?

• A. Combing the hairs caused them to lose their static charge.

• B. Combing the hairs caused the comb to lose its static charge.

• C. Combing the hairs gave them a charge that is opposite the charge on the comb.

• D. Combing the hairs gave them a charge that is the same as the charge on the comb.

Tags

NGSS.MS-PS2-3

A student asks her mother to help her make tea. They put a tea kettle on an electric stove and turned it on. After about 10 minutes, the tea kettle starts to whistle. What energy transformations have taken place?

• electric to heat to light

• electric to sound to light

• electric to heat to sound

• electric to chemical to sound

Tags

NGSS.MS-PS3-3

Which of these is NOT an example of energy causing motion?

• sitting still on a swing

• hitting a tennis ball softly

• sliding fast down a slide

• kicking a soccer ball hard

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The picture shows what happens when light shines on a tank of water. What property of light does this picture show?

• Light travels in a straight line forever.

• Light gets brighter the farther it travels.

• Light gets brighter when it reflects off smooth surfaces.

• Light travels in a straight line until it strikes an object or substance.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Debbie learns in science class that when an object vibrates, it moves back and forth. Which of the following forms of energy can Debbie say results from the vibrations that travel through the air?

• electrical energy

• energy of motion

• sound energy

• thermal energy