Properties of Waves Review

What is a medium?

• The bottom of a wave

• The top of a wave

• The substance a wave moves through

• The number of waves that pass each second, measured in Hertz (Hz)

Tags

NGSS.HS-PS4-1

What is an electromagnetic wave?

• The distance between two corresponding crests

• A wave that does not require a medium to travel

• A wave that requires a medium to travel

• A disturbance that moves energy from one place to another

The distance between two corresponding（相对应的） crests

• amplitude

• frequency

• repeating pattern 重复的规律

• wavelength

• simple wave

Tags

NGSS.HS-PS4-1

The height of a wave

• amplitude

• frequency

• repeating pattern

• wavelength

• simple wave

Tags

NGSS.MS-PS4-1

The number of wave cycles that pass a given point in a given time period

• amplitude

• frequency

• repeating pattern

• wavelength

• simple wave

Tags

NGSS.HS-PS4-1

________ is found as the product（乘积）of the wavelength and frequency.

• frequency

• speed

• medium

Tags

NGSS.HS-PS4-1

When wavelength increase, frequency in turn _________ .

• increases

• decreases

• stays the same

Tags

NGSS.HS-PS4-1

As frequency _______, the pitch of a sound become higher.

• increases

• decreases

• stays the same

Tags

NGSS.HS-PS4-1

A ______ is a material through which a wave travels.

• velocity

• frequency

• medium

Tags

NGSS.MS-PS4-2

Which of the following formula is correct?

• wavelength = speed * frequency

• speed = wavelength / frequency

• wavelength = speed / frequency

Tags

NGSS.HS-PS4-1