Grade 4 Science Quiz: Light and Sound

Quiz by Arie Rosenberg

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27 questions
• Q1

Energy is

the speed of sound.

the same thing as speed.

the ability of something or someone to do work.

30s
• Q2

Reflected is

when light or sound is absorbed by a material.

when light travels through a small opening, it spreads out in all directions

the distance from the peak of one wave to the peak of the consecutive wave.

when light or sound waves bounce off of an object, surface or material.

30s
• Q3

Absorb is

to take in or soak up something such as energy in a natural or gradual way

to scatter

to reflect

when light or sound waves bounce off of an object, surface or material.

30s
• Q4

Refracted means

when light or sound waves bounce off of an object, surface or material.

to make light change direction when it goes through at an angle

when light travels through a small opening, it spreads out in all directions

when light is so bright it makes it difficult to see.

30s
• Q5

Diffraction is

when light or sound is absorbed by an object, surface, or material.

the difference between two beams of lights

when light or sound waves bounce off of an object, surface or material.

when light travels through a small opening, it spreads out in all directions

30s
• Q6

artificial means

chemical

dangerous

30s
• Q7

Amplitude means

to make light change direction when it goes through at an angle

the distance that a sound wave travels from its resting point to its peak.

the siren lights on an ambulance

the distance light travels in a minute

30s
• Q8

Wavelength means

the distance from the peak of one wave to the peak of the consecutive wave.

the distance between the shore and the ocean

the time it takes for someone to wave to another person.

the distance that a sound wave travels from its resting point to its peak.

30s
• Q9

Pitch refers to

the frequency of a sound and is either high, medium or low.

to make light change direction when it goes through at an angle

the distance that a sound wave travels from its resting point to its peak.

the distance from the peak of one wave to the peak of the consecutive wave.

30s
• Q10

Spectrum is

the frequency of a sound and is either high, medium or low.

when light or sound waves bounce off of an object, surface or material

the group of colours that a ray of light can be separated into including red, orange, yellow, green, blue, indigo, and violet

when light travels through a small opening, it spreads out in all directions

30s
• Q11

Light and sound are both forms of energy.

true
false
True or False
30s
• Q12

White light is created by mixing only blue and yellow together.

false
true
True or False
30s
• Q13

Light does not travel in a straight path. It can twist and turn around objects to get to its destination.

false
true
True or False
30s
• Q14

Specular reflection is when light reflects off a surface in many different paths while diffuse reflection is when light reflects off a surface in one path.

false
true
True or False
30s
• Q15

Light can be created either naturally or artificially.

true
false
True or False
30s

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