Into the Abyss L2&3

Fill in the blank: Sound waves must travel through ______.

• air

• any space

• a medium

• water

Tags

NGSS.MS-PS4-2

Fill in the blank: Changing the frequency of a sound wave affects the ______.

• volume

• amplitude

• intensity

• pitch

If the frequency of a sound increases, what happens to its wavelength?

• stays the same

• increases

• decreases

Tags

NGSS.MS-PS4-1

If a sound in 15 Hz (Hertz), what does that mean?

• 15 seconds for a wave to pass through a point

• 15 waves per second

• 1/15 waves per minute

• the length of a wave is 15 cm

Fill in the blank: As the amplitude of a sound increases, the volume ______.

• increases

• decreases

• stays the same

• matches the frequency

Tags

NGSS.MS-PS4-1

Which sound wave has the lowest pitch?

• 1

• 2

• 3

• 4

Carl is complaining about the loud music coming from the apartment upstairs. What type of wave behavior is this an example of?

• reflection

• refraction

• absorption

• transmission

Tags

NGSS.MS-PS4-2

In a music studio, there are different types of materials such as acoustic foam and felt that can be used to soundproof the room. What happens to the sound waves when they encounter the foam/felt?

• disappearance

• refraction

• absorption

• transmission

Tags

NGSS.MS-PS4-2

Why is the school library covered with carpet?

• to protect the books when they fall

• because it looks good

• to help absorb sounds to keep it quiet

• to help absorb sounds so it can stay noisy

While working on a project, Tamika listens to a trumpet solo. She notices a change in the sound the trumpet is making. The model below shows how the sound waves change. Choose the best word to describe how the amplitude of the trumpet changed in Tamika’s recording.

• increase

• decrease

• no change

Tags

NGSS.MS-PS4-1