WorksheetsRevision( unit 4)
Total questions: 28
Worksheet time: 22mins
The following diagram shows the ray diagram when a torchlight is torched towards a mirror. Which of the following is the correct reflected ray?
Ariff is watching a cat on a wall using a periscope. Which of the following is the correct reflected ray diagram in the periscope? Tick the correct answer.
All of the following are sources of light except...
the sun
a light bulb
fire
the moon
Light is a form of energy.
True
False
Choose the image of a periscope:
A periscope allows you to see:
Objects over the top of something.
Very small objects.
A mirror has a _________________________.
smooth, shiny surface that reflects light.
smooth, shiny surface that absorbs light.
bumpy, rough surface that reflects light.
How does light travel
It curves around corners
Really slow
In a straight line
In circles
The diagram shows a light ray striking an object.
In the diagram, the light ray striking the object is-
absorbed
stopped
reflected
You are enabled to see objects because...
light travels out of your eyes and onto an object.
light travels out of an object.
light reflects off of an object and into your eyes
light brightens up objects.
A line that light travels in is called a ...
ray
reflection
wave
Why do mirrors reflect light well?
Because you can see your face in one.
They are a light source.
They are used in periscopes.
They have a shiny surface.
If a surface reflects light very well, you will be able to see your ............ in the surface.
reflection
light
periscope
What is this diagram shows?
how we see things
how light travels
how periscope works
How do you see an object?
Light travels from the light ___________ to the object. The light ___________ or reflects off the object into your eyes.
source — bounces
source — light
sun — bounces
What diagram represent "LIGHT FROM A SOURCE"?
What diagram represent "REFLECTED LIGHT"?
We call the reflection of your face in the mirror your ___________.
image
picture
task
What is the correct order of what happens when our eyes see the flower in the picture:
1. the light bounces off,
2. the light enters the boy's eyes,
3. the sunlight hits the flower.
1-2-3
2-1-3
3-1-2
Tick 3 correct pictures.
The pictures that show the correct path of light to see an object are...
What does the moon do?
produces light
reflects the suns light
produces heat
We can see things around us because of light reflecting off the object and into our eyes?
true
false
Which object would be the best at reflecting light?
Mirror
Tree
Book
Ruler
Smooth surfaces _______ a lot of light.
reflect
bend
absorb
twist
What kind of surfaces reflects light best?
rough, thick, and dull
shiny, smooth, and flat
What happens to light after it hits a mirror?
It goes through the mirror and bends.
It goes around the mirror.
It bounces off the mirror.
It goes straight through the mirror.
light reflects off a mirror at the same______________ as it arrives
point
angle
line
A boy saw a butterfly when he turned on his lamp.
Which of the following shows how the path of light enabled the boy to see the butterfly?
from lamp to butterfly to boy
from lamp to boy to butterfly
from boy to the lamp to butterfly
