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Light (reflection and refraction)

Total questions: 25

Worksheet time: 29mins

Name
Class
Date
1.
What is this a picture of?
a)
reflection
b)
refraction
2.
_______ is when light hits and object and it BOUNCES off.
a)
Reflection
b)
Refraction
3.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
4.
Light can pass through objects.
a)
TRUE
b)
FALSE
5.
Through which objects does light pass MORE?
a)
Transparent objects, like glass windows
b)
Opaque objects (not transparent), like a plant
6.
Things make shadows because they ______ light.
a)
BLOCK
b)
PASS
7.
___________ is when light BENDS or CHANGES direction.
a)
Reflection
b)
Refraction
8.

Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?

a)

The curtain absorbs light.

b)

The curtain is brightly colored.

c)

The curtain folds easily.

d)

The curtain is rectangular shape.

9.

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

a)
b)
c)
d)
10.
When can water reflect light?
a)
When it's moving
b)
When it's still
c)
When it's flowing
11.
A shiny piece of metal will __________ light.
a)
reflect 
b)
refract
12.
A lens will __________ light
a)
reflect
b)
refract
13.

In the diagram, which letter represents the angle of incidence?

a)

A

b)

B

c)

C

d)

D

14.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
15.
........... – the angle between the normal and the reflected ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
16.
How does light travel
a)
It curves around corners
b)
Really slow
c)
In a straight line
d)
In circles
17.

Which diagram represents diffuse reflection?

a)

A

b)

B

c)

C

d)

D

18.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
19.
We see shadows because light travels in a __________________ line.
a)
curved
b)
straight
c)
rainbow
20.
Why does the lower part of the child appear so much different in size from the upper part?
a)
The light rays that travel through water and then into air are refracted.
b)
The light rays that travel through water and then into air are enlarged.
c)
The light rays that travel through air and then into water are reflected.
d)
The light rays that travel through air and then into water are reduced.
21.

Refraction is when light__________.

a)

Is bounced by an object or material.

b)

Changes speed as it travels in different materials which causes bending.

c)

When light speeds up to over 300,000 km/s

22.
Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.
a)
snow and ice
b)
air and water
c)
cloth and wood
d)
glass and wood
23.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

24.

Which of the following is a source of light?

a)

A candle

b)

A mirror

c)

A glass

d)

A book

25.

Transparent is?

a)

A material that allows light to pass through

b)

The colors of the rainbow

c)

Light made by man

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