WorksheetsLight
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
2.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
3.
If you are wearing a yellow shirt, what is true of the light that strikes it?
a)
Yellow is absorbed; everything else is reflected
b)
Yellow is reflected; everything else is absorbed
c)
All colors are reflected
d)
All colors are absorbed
4.
Reflection is
a)
Light bending
b)
Light bouncing
5.
These waves travel in a __________ line.
a)
jagged
b)
squiggly
c)
straight
d)
obstructive
6.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
7.
When waves bounce off of a surface
a)
refraction
b)
diffraction
c)
reflection
8.
What color happens when all colors are absorbed ?
a)
blue
b)
black
c)
red
d)
white
9.
Which wave travels in space?
a)
light
b)
sound
10.
Which property of light is used to stay warm?
a)
absorption
b)
reflection
c)
brightness
11.
Light enters this part of the eye first.
a)
Retina
b)
Cornea
c)
Lens
d)
Cones
12.
Humans can see colors because of these photo receptor cells in the Retina called
a)
rods
b)
optic cells
c)
cones
d)
sclera
13.
Which of the following would not reflect light?
a)
Mirror
b)
Water
c)
Glasses
d)
Brick Wall
14.
Which of the following is a source of light
a)
Eye
b)
Mirror
c)
Fire
d)
the moon
15.
Latif wakes up one morning and sees that it is foggy outside.Whcih term best describe the fog he sees
a)
Opaque
b)
Reflective
c)
Transparent
d)
Translucent
16.
The property of light by which it travels in a straight line is known as
a)
Rectilinear propagation of light
b)
lateral inversion
c)
Circular motion
d)
random motion
17.
What three things may happen to light that strikes an object?
a)
The light may be reflected, transmitted or absorbed.
b)
The light may be reflected and refracted.
c)
The light may be absorbed and transmitted.
18.
Light is a kind of.....
a)
reflection
b)
energy
c)
heat
d)
matter
19.
If a black and white car were in the parking lot all day. Compare the temperatures of the two cars.
a)
The black car would be cooler.
b)
The white car would be hotter.
c)
The black car would be hotter.
d)
They would be the same
20.
This leaf will
a)
Reflect green light
b)
Absorb green light
c)
Reflect red light
d)
Reflect no light
21.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
22.
Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?
a)
b)
c)
d)
23.
Luminous means...
a)
Gives out its own light
b)
Reflects light from other things
24.
A material that absorbs or reflects the light that strikes it is ____________.
a)
transparent
b)
translucent
c)
opaque
25.
When light passes from one transparent medium to another, it changes speed. When light changes speed, it changes direction. This change of direction, or bending, is called refraction.
True or false
True or false
a)
True
b)
False
100 %
