Waves Flocab

Which of the following would not produce a sound?

• humming a Flocabulary song in the hallway

• plucking a guitar string underwater

• knocking a fist against a wooden wall

• snapping your fingers where there is no matter, like in deep space

How can humans perceive sound?

• They can only hear it.

• They can only hear and see it.

• They can hear it, and might also see and feel it.

• Humans cannot perceive sound.

Tags

NGSS.MS-LS1-8

CJ puts a ruler on the edge of a table, so that a few inches hang off. He hits the ruler and hears a noise. What else does CJ observe?

• The noise starts out low pitched and becomes high pitched.

• The part of the ruler he hit is moving back and forth.

• The part of the ruler he hit is completely still.

• The noise starts out soft but becomes louder.

Tags

NGSS.MS-PS4-1

How does sound energy travel?

• Sound energy travels in waves that need a solid, liquid or gas to carry them.

• Sound energy travels in waves that can move through the vacuum of empty space.

• Sound energy travels in a straight line in one direction.

• Sound energy travels in a straight line that switches directions periodically.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is a wave’s frequency?

• the width of a wave

• the rate at which a wave occurs

• the height of a wave

• the lowest point of a wave

Tags

NGSS.MS-PS4-1

A sound wave that occurs at a quick rate and has a high frequency would produce

• a loud sound.

• a low-pitched sound.

• a high-pitched sound.

• a soft sound.

Which of the following is a measurement of a wave’s amplitude?

• the distance to the highest point of a wave

• the distance between waves

• the distance from which a sound can be detected

• the distance across the widest point of a wave

Tags

NGSS.MS-PS4-1

A sound wave that has a very short amplitude would produce

• a loud sound.

• a low-pitched sound.

• a high-pitched sound.

• a soft sound.

Tags

NGSS.MS-PS4-1

While hiking a mountain, Gwen called out, “Yoohoo!” She then heard her own voice say, “Yoohoo. Yoohoo. Yoohoo.” What happened?

• The sound was completely absorbed by the mountain.

• The sound reflected back to Gwen as an echo.

• The sound was completely carried through the mountain away from Gwen.

• The sound didn’t travel as a wave at all.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Light is a form of energy that travels in a wave. It does not need any material to carry its energy. Humans can see the range of light in the visible light spectrum. Based on this description, how is sound different from light?

• Sound does not travel in a wave.

• Sound is not a form of energy.

• Sound needs a material to carry its energy.

• Sound cannot be perceived by humans.