Quiz about Light (grade 8) Riyadh International Schools

Question 1

The lowest part of the wave is?

Accepted Answer

trough

Answer

crest

Answer

wave

Answer

ray

Question 2

The highest point on a wave

Accepted Answer

crest

Answer

trough

Answer

wave

Answer

ray

Question 3

Light is a form of

Accepted Answer

energy

Answer

reflection

Answer

art

Answer

none of above

Question 4

The number of waves that pass in a given amount of time.

Accepted Answer

frequency

Answer

wavelength

Answer

amplitude

Answer

wave speed

Question 5

Light travels as a .................

Accepted Answer

transverse wave

Answer

sea wave

Answer

mechanical wave

Answer

compressed wave

Question 6

The distance between 2 crests or troughs

Accepted Answer

wavelength

Answer

frequency

Answer

amplitude

Answer

wave speed

Question 7

A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.

Accepted Answer

Prism

Answer

Person

Answer

Prison

Answer

Preacher

Question 8

The bending of waves as they pass from one substance into another.

Accepted Answer

Refraction

Answer

Reaction

Answer

Reflection

Answer

Repost

Question 9

Blurs light as it passes through

Accepted Answer

Translucent

Answer

Transparent

Answer

Opaque

Answer

Refraction

Question 10

Allows most light through

Accepted Answer

Transparent

Answer

eflection

Answer

Refraction

Answer

Translucent

Question 11

A substance through which light travels.

Accepted Answer

Medium

Answer

Wavelength

Answer

Opaque

Answer

Frequency

Question 12

smooth, shiny surfaces

Accepted Answer

reflect

Answer

refract

Answer

absorb

Answer

ignore

Question 13

A red object _________

Accepted Answer

reflects the color red

Answer

reflects all the colors

Answer

reflects the colors red, blue and green

Answer

reflects no colors

Question 14

All light has a SOURCE, or something it comes from.

Accepted Answer

True

Answer

False

Question 15

Which of these is our MAIN (most important) source of light?

Accepted Answer

The Sun

Answer

Lightbulbs

Answer

Fire

Answer

All of them

Question 16

Light can pass through objects.

Accepted Answer

TRUE

Answer

FALSE

Question 17

Refraction makes objects look different.

Accepted Answer

TRUE

Answer

FALSE

Question 18

How does light travel from a source?

Accepted Answer

In a straight line

Answer

Around corners

Answer

In circles

Answer

Very slowly

Question 19

When all of the colors of light are absorbed, we see the color _______.

Accepted Answer

black

Answer

white

Answer

green

Answer

red

Question 20

states that when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence

Accepted Answer

law of reflection

Answer

law of universal gravitation

Answer

law of the conservation of energy

Answer

Newton's second law of motion

Question 21

The sky is blue because...

Accepted Answer

blue is the color most scattered or reflected by our atmosphere.

Answer

red is the color most scattered or reflected by our atmosphere.

Answer

blue is the color most absorbed by our atmosphere.

Answer

blue is complimentary to orange.

Question 22

When a rainbow is formed outside naturally, what causes the light to refract?

Accepted Answer

A. Small raindrops

Answer

B. Sunlight rays

Answer

C. Tiny mirrors

Answer

D. Glass prisms

Light (grade 8) Riyadh International Schools

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