Understanding Waves and Energy

What is the term for the height of a wave from its rest position to its crest?

• Wavelength

• Amplitude

• Frequency

• Period

Tags

NGSS.MS-PS4-1

Which of the following best describes what happens when a wave hits a smooth, shiny surface?

• The wave is absorbed

• The wave is reflected

• The wave is transmitted

• The wave disappears

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NGSS.MS-PS4-2

Which type of signal is more reliable for transmitting information over long distances?

• Analog signals

• Digitized signals

• Sound waves

• Light waves

Tags

NGSS.MS-PS4-3

What happens to the particles in a solid when thermal energy is added?

• They move slower

• They stop moving

• They move faster

• They disappear

Tags

NGSS.MS-PS1-4

If a moving ball slows down and stops, what happens to its kinetic energy?

• It increases

• It is transferred away

• It stays the same

• It disappears

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A wave has an amplitude of 2 cm. If the amplitude increases to 4 cm, what happens to the energy of the wave?

• It decreases

• It stays the same

• It doubles

• It increases

Tags

NGSS.MS-PS4-1

A student shines a flashlight at a window. Some light passes through, some bounces back, and some is absorbed. Which process describes the light that passes through?

• Reflection

• Absorption

• Transmission

• Refraction

Tags

NGSS.MS-PS4-2

Why are digitized signals less likely to lose information than analog signals?

• They use more energy

• They are easier to see

• They can be easily copied without loss

• They travel faster

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NGSS.MS-PS4-3

If you heat a liquid, what change in state might occur?

• It becomes a solid

• It becomes a gas

• It stays the same

• It becomes plasma

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NGSS.MS-PS1-4

A soccer ball is kicked and starts rolling. As it slows down, what can you infer about the energy transfer?

• Energy is transferred to the ball

• Energy is transferred from the ball to the ground

• No energy is transferred

• The ball gains energy

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NGSS.MS-PS3-1

NGSS.MS-PS3-5