What happens to the energy of a wave when its amplitude increases?

• Nothing

• It increases

• It remains constant

• It decreases

Tags

NGSS.MS-PS4-1

In which medium do sound waves travel the fastest?

• Gas

• Liquid

• Solid

• Vacuum

Tags

NGSS.MS-PS4-2

What is the effect of increasing the frequency of a vibrating object on the sound it produces?

• The sound becomes softer

• The sound becomes louder

• The pitch becomes higher

• The pitch becomes lower

What effect does increasing the frequency of a sound wave have?

• Makes it louder

• Makes it quieter

• Makes it higher pitch

• Makes it lower pitch

Which part of the ear first receives sound vibrations?

• Hair cells

• Cochlea

• Basilar membrane

• Eardrum

What symbol is often used to represent frequency?

• f

• Ω

• λ

• Hz

Tags

NGSS.HS-PS4-1

What is the pattern in the sequence: 2, 4, 8, 16, 32?

• Add 2

• Multiply by 2

• Subtract 2

• Divide by 2

In the table below, what is the pattern? The value goes up by +3

• Add 1

• Add 2

• Add 3

• Add 4

Explain how sound waves travel through air.

• A) By creating a vacuum

• B) Through electromagnetic waves

• C) By vibrating air molecules

• D) Through light waves

Tags

NGSS.MS-PS4-2

What happens to the energy of a sound wave as its amplitude increases?

• The energy decreases.

• The energy remains the same.

• The energy increases.

• The energy disappears.

Tags

NGSS.MS-PS4-1