Waves Challenge

A wave has an amplitude of 3 meters. If the amplitude is doubled, what happens to the energy of the wave?

• The energy is halved.

• The energy remains the same.

• The energy is doubled.

• The energy is quadrupled.

Tags

NGSS.MS-PS4-1

Which of the following materials is most likely to transmit a wave without reflecting or absorbing it?

• A mirror

• A wooden door

• Clear glass

• A brick wall

Tags

NGSS.MS-PS4-2

Why are digitized signals considered more reliable than analog signals for transmitting information?

• They are less affected by noise.

• They require more bandwidth.

• They are more expensive to produce.

• They are easier to distort.

Tags

NGSS.MS-PS4-3

If a wave has a frequency of 5 Hz and a wavelength of 2 meters, what is the speed of the wave?

• 2 m/s

• 5 m/s

• 10 m/s

• 15 m/s

Tags

NGSS.HS-PS4-1

When a wave encounters a boundary between two different materials, which of the following can occur?

• The wave is only absorbed.

• The wave is only transmitted.

• The wave is only reflected.

• The wave can be reflected, absorbed, or transmitted.

Tags

NGSS.MS-PS4-2

Which of the following is an example of a digitized signal?

• A vinyl record

• A cassette tape

• A CD

• An analog clock

Tags

NGSS.MS-PS4-3

A wave with a higher amplitude will have:

• Less energy

• More energy

• The same energy

• No energy

Tags

NGSS.MS-PS4-1

What happens to a light wave when it hits a smooth, shiny surface?

• It is absorbed.

• It is transmitted.

• It is reflected.

• It is refracted.

Tags

NGSS.MS-PS4-2

Which of the following best describes the advantage of digital signals over analog signals?

• Digital signals are more susceptible to interference.

• Digital signals can be easily compressed and stored.

• Digital signals require more power to transmit.

• Digital signals are less secure.

Tags

NGSS.MS-PS4-3

If the amplitude of a wave is decreased, what happens to the energy of the wave?

• The energy increases.

• The energy decreases.

• The energy remains the same.

• The energy doubles.

Tags

NGSS.MS-PS4-1