Question 1

Which of the following is an example of a natural source of light?

Accepted Answer

Sun

Answer

Light bulb

Answer

Flashlight

Answer

Candle

Question 2

Which statement best describes how light travels?

Accepted Answer

Light travels in a straight line

Answer

Light travels in a circular motion

Answer

Light travels in a zigzag pattern

Answer

Light travels in a wavy path

Question 3

Which of the following objects is an example of a translucent material?

Accepted Answer

Frosted glass

Answer

Wood

Answer

Brick

Answer

Metal

Question 4

What is the speed of sound in air?

Accepted Answer

343 meters per second

Answer

700 meters per second

Answer

500 meters per second

Answer

100 meters per second

Question 5

What is the source of sound?

Accepted Answer

Vibrations

Answer

Air

Answer

Water

Answer

Light

Question 6

Which of the following is an example of a transparent material?

Accepted Answer

Clear glass

Answer

Brick

Answer

Wood

Answer

Metal

Question 7

How does light travel?

Accepted Answer

In a straight line

Answer

In a zigzag pattern

Answer

In a wavy path

Answer

In a circular motion

Question 8

What is the main source of light during the day?

Accepted Answer

The Sun

Answer

A campfire

Answer

A flashlight

Answer

The Moon

Question 9

Which of the following objects is an example of a reflective surface?

Accepted Answer

Mirror

Answer

Cloth

Answer

Plastic

Answer

Paper

Question 10

To change the sound of an instrument you should stop all of the vibrations.

Accepted Answer

False

Answer

True

Question 11

Sound is created by vibrations

Accepted Answer

True

Answer

False

Question 12

Vibrate means to move back and forth quickly

Accepted Answer

True

Answer

False

Question 13

Opaque materials do not block out all light.

Accepted Answer

False

Answer

True

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