What is the definition reflection?

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

The bending of waves as they enter a new medium

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

When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

What is the definition of Refraction?

The bending of waves as they enter a new medium

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

When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

· Why can we hear around a corner but not see?

the smaller the opening the more diffraction, light waves are so small you will have little diffraction.

Increased amplitude of the light wave means brighter light

Decreased amplitude of the light wave means dimmer light

Refraction is when light__________.

Changes speed as it travels in different materials which causes bending.

Is bounced by an object or material.

When light speeds up to over 300,000 km/s

What is changed in the second picture?

Someone is talking lower pitch in picture 2

Someone is talking louder in picture 2

Someone is talking softer in picture 2

Someone is talking higher pitch in picture 2

What is changed in the second picture?

Someone is talking higher pitch in picture 2

Someone is talking louder in picture 2

Someone is talking softer in picture 2

Someone is talking lower pitch in picture 2

What is changed in the second picture?

Someone is talking softer in picture 2

Someone is talking louder in picture 2

Someone is talking lower pitch in picture 2

Someone is talking higher pitch in picture 2

Wave Behavior

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS4-2, MS-PS4-1, HS-PS4-1

Standards-aligned

Christine Daniels

Used 170+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the figures represents reflection?

A

B

C

D

Tags

NGSS.MS-PS4-2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following represents refraction?

A

B

C

D

Tags

NGSS.MS-PS4-2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Refraction occurs when _____________

the wave's speed changes by entering a new medium

a wave bounces off of a boundary

waves parts meet each other

waves bend around a barrier

Tags

NGSS.MS-PS4-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which letter(s) represent the crest of the wave?

A

D

B & F

F

Tags

NGSS.MS-PS4-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which letter(s) represent the trough of the wave?

A

D

B & F

F

Tags

NGSS.MS-PS4-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

crest to crest or trough to trough

crest

trough

amplitude

wavelength

Tags

NGSS.MS-PS4-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a wave strikes an object and bounces off

medium

refraction

reflection

interference

Tags

NGSS.MS-PS4-2

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Wave Behavior

33 questions

Which of the figures represents reflection?

Which of the following represents refraction?

Refraction occurs when _____________

Which letter(s) represent the crest of the wave?

Which letter(s) represent the trough of the wave?

crest to crest or trough to trough

When a wave strikes an object and bounces off

When a wave bends as it passes through at an angle from one medium to another.

When a sound wave experiences reflection, we hear

What property of the wave is represented by the letter "B"?

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