Energy, Light and Sound Waves

What means number of waves per second?

• wavelength
• reflection
• diffraction
• frequency

Which of the following waves is a light wave?

• mechanical
• longitudinal
• infrared
• seismic

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The bouncing back of a light ray after hitting a surface is known as...

• diffraction
• refraction
• rebounding
• reflection

Tags

NGSS.MS-PS4-2

The bending of light is called refraction.

• True
• False

What causes a yellow fire hydrant to appear yellow?

• It absorbs yellow light
• It reflects yellow light
• It transmits yellow light
• It reflects all colors except yellow

Tags

NGSS.MS-PS4-2

The _________ of a wave is simply the length of one complete wave cycle.

• amplitude
• wavelength
• trough
• crest

Tags

NGSS.MS-PS4-1

Sound waves are created by vibrations.

• True
• False

Tags

NGSS.MS-PS4-1

Waves transport energy without transporting matter.

• True
• False

Tags

NGSS.MS-PS4-1

The speed of sound waves depends on which of the following conditions?

• temperature and the material they travel through
• type of sound wave
• altitude

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The high points on waves are called...

• troughs
• crests
• zeniths
• wavelengths

Tags

NGSS.MS-PS4-1