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#176 Unit 8 Test Review

Authored by Dedra Love

Science

8th Grade

Used 2+ times

#176 Unit 8 Test Review
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23 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

If the flashlight in the diagram strikes the mirror at a 45 degree angle, at what angle will it be reflected, according to the law of reflection?

45 degrees

90 degrees

0 degrees

180 degrees

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which reason best explains why this is what he observed?

A) Water is more dense than glass so the light slowed down more.

B) Water is less dense than glass so the light slowed down more.

C) Glass is more dense than water so the light slowed down more.

D) Glass is less dense than air so the light sped up more.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The components of the electromagnetic spectrum share all of the characteristics below EXCEPT...

A) they can all be absorbed by matter

B) they all travel at the speed of light

C) they all have the same frequency

D) they are all emitted from the sun

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A _____ object will absorb all colors of light, while a ____ object will reflect all colors of light.

black, white

white, black

blue, red

red, blue

5.

LABELLING QUESTION

3 mins • 1 pt

Drag and drop the components of the EM spectrum from the lowest energy to highest energy.

a
b
c
d
e
f
g
infrared
microwaves
visible light
x rays
Radio
ultraviolet
gamma rays

6.

DROPDOWN QUESTION

3 mins • 1 pt

Media Image

The part of the EM spectrum with the highest frequency is (a)   ..

gamma
radio
visible light

7.

DROPDOWN QUESTION

3 mins • 1 pt

Media Image

The part of the EM spectrum with the lowest frequency is (a)   .

gamma
radio
visible light

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