EC: Energy of Waves

What happens to frequency when wavelength decreases?

• stays the same

• decreases

• increases

• There is no relationship between wavelength & frequency.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is a longitudinal wave?

• the matter through which a mechanical wave travels

• two lines that will never touch

• the particles of a medium that travel parallel to a wave

• two lines that meet at a right angle

Tags

NGSS.MS-PS4-1

What is a transverse wave?

• the particles of a medium that travel perpendicular to a wave

• the particles of a medium that are fast

• the particles of a medium that travel parallel to a wave

• the particles of a medium that you can touch

The higher the frequency the ______ the energy. 

• higher
• lower
• neither, stays the same

Tags

NGSS.HS-PS4-1

The lower the frequency the ______ the energy.

• higher

• lower

• neither, stays the same

Tags

NGSS.MS-PS4-1

How do electromagnetic and mechanical waves compare?

• Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.

• Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.

• Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.

• Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.

What property of a sound wave is a sound's volume (energy) related to?

• Period

• Frequency

• Amplitude

• Wavelength

Tags

NGSS.MS-PS4-1

When a mechanical wave travels from its source, the wave's energy decreases. Why?

• Period decreases

• Wavelength decreases

• Amplitude decreases

• Frequency decreases

Tags

NGSS.MS-PS4-1

Why are earthquakes more intense near the initial disturbance than they are farther away?

• The frequency has changed.

• The wavelength has increased.

• The amplitude has increased.

• The wave speed has slowed down.

Tags

NGSS.MS-PS4-1

What happens to frequency when the energy increases?

• it increases

• it stays the same

• it decreases

Tags

NGSS.HS-PS4-1