Unit 3 Review

Unit 3 Review

8th Grade

20 Qs

quiz-placeholder

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Unit 3 Review

Unit 3 Review

Assessment

Quiz

Physics

8th Grade

Medium

Used 32+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

An old movie poster used a quote "In space, no one can hear you scream!" Why is this true or not true?

The quote is incorrect, you can hear sound in outer space.
Sound cannot be polarized. So, you cannot hear sound in space.
Sound is an electromagnetic wave and needs no medium to travel through.
Sound needs a medium for the wave to vibrate and there is nothing in space to vibrate.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Why does light behave as shown in the image when it passes from air to glass?

Light is scattered on the surface of the glass.
Light slows down when it passes into a denser medium.
Light is partially reflected on the surface of the glass.
Light splits into its constituent colors when it passes through glass.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when light strikes an opaque object?

All of the light passes through the object.
All of the light is reflected by the object.
None of the light passes through the object.
Some of the light passes through and some of the light is absorbed or scattered by the object.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The earth receives energy from the sun. You feel the energy on your skin every time you go outside on a sunny day. Which form of energy causes you to get a sun burn if you stay in the sun too long?

visible 
gamma rays
ultraviolet
radio waves

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The method of heat transfer by which the sun warms the earth is

conduction
convection
radiation
solaration

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which type of wave would actually slow down when moving from the air into the ocean?

Sound Waves
Light Waves
Earthquake Waves
Ocean Surface Waves

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

You see lightning before you hear thunder because

light waves can travel through a vacuum.
sound waves cannot travel through the air.
light waves travel faster than sound waves.
sound waves travel faster than light waves.

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