WorksheetsLIGHT
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Light is the most ... form of energy in the Universe
a)
powerful
b)
fastest
c)
oldest
d)
newest
2.
Light passes easily through materials that are ...
a)
transparent
b)
opaque
c)
traslucent
d)
transportation
3.
When light passes from air to water, it is ...
a)
reflected
b)
absorbed
c)
refracted
d)
reactivated
4.
A spoon in a glass of water appears to be ...
a)
rough
b)
broken
c)
deflected
d)
larger
5.
We can use ... to refract light
a)
lenses
b)
mirrors
c)
lamps
d)
curtains
6.
Refraction happens when light changes
a)
colour
b)
direction
c)
speed
d)
medium
7.
Lenses are ...pieces of transparent glass
a)
curved
b)
microscopes
c)
plastic
d)
shapes
8.
Magnifiying glass and microscopes use convex lenses
a)
True
b)
False
9.
Can light transform into electricity?
a)
Yes
b)
No
c)
Depend
10.
Light travels at ...
a)
30 km per second
b)
300000 Km per second
c)
30000 Km per second
d)
300 Km per second
11.
The white light is made up of
a)
two colours: black and white
b)
three basic colours: red, yellow and blue
c)
seven different colours, like rainbow
d)
one colour: white
12.
When a ray of light is reflected in smooth surfaces ...
a)
All the rays of light reflect in one direction
b)
All the rays of light reflect in opposite directions
c)
All the rays of light are absorbed
d)
All the rays of light refledt in several directions
13.
A mirror reflect clear images
a)
Yes
b)
No
c)
Depend on the surface
d)
Depend on the object
14.
Lenses can be ...
a)
convex
b)
concave
c)
both of them
d)
neither
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