Waves Sound and Light

Number 3 represents the

• Wavelength (corresponds to rate/frequency of the wave)

• Amplitude (corresponds to energy/volume)

Tags

NGSS.MS-PS4-1

A little kid asks you "When I hear someone talking, does that mean little pieces of their voice are hitting my ear? Explain why they are incorrect using the gif. (Well written 1-3 sentences)

Tags

NGSS.MS-PS4-1

Sound is received in your ear through

• the vibration of matter such as air, water, or other material

• energy waves that can go through empty space

• vibrations of space

Tags

NGSS.MS-LS1-8

NGSS.MS-PS4-2

Which travels faster: light or sound waves?

• Sound Waves

• They Travel the same

• Light waves

A student stands in a school hallway. A wall separates a classroom from the student. The student in the hallway cannot see inside the classroom but hears noises from within the classroom. Which of these best explains why the student hears the noises but cannot see into the classroom?

• Sound waves are absorbed by the wall, and visible light waves are transmitted through the wall.

• Sound waves are transmitted through the wall, and visible light waves are reflected by the wall.

• Sound waves are reflected by the wall, and visible light waves are refracted by the wall.

• Sound waves are reflected by the wall, and visible light waves are absorbed by the wall.

Tags

NGSS.MS-PS4-2

The picture above represents the light waves generated by four differently colored bulbs. Which bulb produces a wave with the highest frequency?

• Bulb A

• Bulb B

• Bulb C

• Bulb D

Tags

NGSS.MS-PS4-1

The picture shows a light wave. What will NOT happen to the light wave when it moves from the air into a solid?

• Its wavelength will become longer.

• Its frequency will decrease.

• Its energy will increase.

• It will slow down.

Tags

NGSS.MS-PS4-2

If the wavelength increased, what would happen to the sound made by this wave?

• it would get softer

• it would get louder

• it would have a lower pitch

• It would have a higher pitch

The word for when light bends when passing from one medium to another?

• Radiation

• Refraction

• Reflection

• Opaque

Tags

NGSS.MS-PS4-2

What occurs when light hits and object and bounces off the surface?

• Refraction

• Reflection

• Color

• Gamma Ray

Tags

NGSS.MS-PS4-2