Reflection occurs when a wave

hits a surface and bounces back

During a thunderstorm, Sanjay saw lightning and then heard thunder 5 s later. Why does he see the lightning before he hears the thunder?

Light travels faster than sound.

He would have seen the lightning and heard the thunder at the same time.

Sound travels faster than light.

Light refracts when traveling from air into glass because light

travels slower in glass than in air.

travels at the same speed in air and in glass.

frequency is greater in air than in glass.

frequency is greater in glass than in air.

What is the definition of refraction?

The bending of a wave as it passes through a barrier.

when a wave hits a barrier it can't pass it bounces back.

when 2 waves combine to make a bigger wave.

What is the definition of diffraction?

When a wave passes a barrier or moves through a hole in a barrier it bends or spreads apart.

The bending of a wave due to a change of speed.

When 2 waves combine to make a smaller wave.

What is the definition of reflection?

When a wave hits a surface it cannot pass it bounces back.

The bending of a wave due to a change of speed.

When a wave passes a barrier or moves through a hole in a barrier it bends or spreads

In general, which types of materials transmit sounds most quickly?

Solids, then liquids, then gases

Solids, then gases, then liquids

Gases, then liquids, then solids

Gases, then solids, then liquids

In the Bending Light Lab , how does the angle of incoming light compare to the angle of light reflecting off of the surface of the water?

The angle of the incoming light is the SAME as the angle of light reflecting off the surface of the water.

The angle of the incoming light is GREATER than the angle of light reflecting off the surface of the water.

The angle of the incoming light is LESS than the angle of light reflecting off the surface of the water.

What is the definition of Diffraction?

The bending of waves as they pass through openings or around corners

The bending of waves as they enter a new medium

Bouncing back of waves from a surface that it can’t pass through

When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.

Light waves and sound waves are similar in that...

They are both longitudinal waves

They both can travel through space.

the substance through which a wave can travel

something between a small and a large?

a pattern of vibration that simulates when a wave is standing still

the distance from any point on a wave to an identical point on the next wave

When a wave passes from one medium to another, the ________ may change.

speed, frequency, and wavelength

Waves and Their Interactions

Authored by Charles Martinez

Science

7th - 8th Grade

NGSS covered

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56 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sound travels fastest through what type of medium?

pond water

cold air

iced tea

wooden desk

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

When light waves are absorbed, they can become heat.

True

False

Tags

NGSS.MS-PS4-2

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Light is the only wave that can be reflected.

True

False

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is the bending of a wave, which changes its speed.

Reflection

Diffraction

Refraction

Frequency

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The picture best represents

Refraction

Reflection

Diffraction

Interference

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

refraction

diffraction

angle of reflection

angle of incidence

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A straw in a glass of water looks bent.

refraction

diffraction

angle of reflection

angle of incidence

Tags

NGSS.MS-PS4-2

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Waves and Their Interactions

Sound travels fastest through what type of medium?

When light waves are absorbed, they can become heat.

Light is the only wave that can be reflected.

Which of the following is the bending of a wave, which changes its speed.

The picture best represents

A straw in a glass of water looks bent.

Which type of interaction is this?

Which type of interaction is this?

Which type of interaction is this?

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