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grade4 concept 1.3

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.
Light is a form of 
a)
energy
b)
radiation
c)
reflection
2.
Light travels in a straight line
a)
True
b)
False
3.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
4.
The term for any wave that hits a surface and bounces off
a)
Transparent
b)
Translucent
c)
Refraction
d)
Reflection
5.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
6.

Which one of these is NOT a source of light?

a)

a firefly

b)

a book

c)

the sun

d)

a torch

7.

A shadow is created when...

a)

an object blocks the light

b)

an object lets light pass thru

c)

an object is above light

8.

An opaque object means that ...

a)

light passes through

b)

no light passes through

c)

some light passes through

d)

you can see through it

9.

Look at the picture. How does light travel?

a)

Light travels in a straight path.

b)

Light travels in a zig zag path.

c)

Light does not move.

d)

Light travels in a wavy path.

10.

It is the bouncing back of light into direction of the source.

a)

Reflection

b)

Refraction

c)

Radiation

11.

What is our primary source of light?

a)

Moon

b)

Star

c)

Sun

12.

A dark shape caused when an object blocks light is called a

a)

luminous

b)

nonluminous

c)

shadow

13.

allows light rays to pass through

a)

opaque

b)

transparent

c)

translucent

14.

What is this picture showing

a)

Light Absorbing

b)

Light Reflecting

c)

Light Refracting

d)

Light Bending

15.

The smooth, flat and shiny surface of mirror.....................light waves energy.

a)

Reflects

b)

Absorb