L1.2-3 Mechanical & Electromagnetic Waves

What wave property is related to how loud a sound is?

• Period

• Frequency

• Amplitude

• Wavelength

Tags

NGSS.MS-PS4-1

What property of a wave affects the pitch of a sound?

• Period

• Frequency

• Amplitude

• Wavelength

Where do sound waves travel the slowest?

• Air

• Iron

• Wood

• Water

Tags

NGSS.MS-PS4-2

What happens to wave energy as it travels away from the source?

• Period decreases

• Amplitude decreases

• Frequency decreases

• Wavelength decreases

Tags

NGSS.MS-PS4-1

Which type of earthquake wave will have the least effect on Earth’s surface?

• Wave 1

• Wave 2

• Wave 3

• Wave 4

Which wave loses the most energy in a medium?

• Wave A (highest frequency)

• Wave A

• Wave C

• Wave D

Tags

NGSS.MS-PS4-1

A wave speeds up when it moves into a new medium. What might be true?

• Medium A is solid; Medium B is gas

• Medium A is liquid; Medium B is solid

• Medium A is gas; Medium B is vacuum

• Medium A is vacuum; Medium B is liquid

Tags

NGSS.MS-PS4-2

When a wave meets a boundary between two media, what can happen?

• It disappears

• It can reflect, transmit, or both

• It speeds up no matter what

• It always gets louder

Tags

NGSS.MS-PS4-2

When a wave splits at a boundary, what happens to the energy?

• One wave gets all of it

• The energy and amplitude are divided

• The energy increases

• The wave vanishes

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Why are earthquakes stronger near the epicenter?

• The energy is more concentrated

• The ground is softer

• The air is thicker

• Earthquake waves skip the center