Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Grade 4 Revision
0
%
0
0
0
Back
Restart
Identify how light travels that makes the boy to see the chair.
The light from the bulb travels to the chair. The chair reflects the light to the boy's eyes.
Oops!
Okay!
Objects that make light bounce off are called...
Reflectors
Oops!
Okay!
Which of the following is a light source?
Sun
Clouds
Moon
Oops!
Okay!
Identify how light travels that makes the boy to see the cupcake.
The light from the candle travels to the cupcake. The cupcake reflects the light to the boy's eyes.
Oops!
Okay!
Which is NOT a light source?
Rocks
Oops!
Okay!
A band of light is called a ...
Beam
Oops!
Okay!
What happens when light is bounced off from a surface, changing its direction.
Reflect
Oops!
Okay!
Which is a Reflector?
Medal
Oops!
Okay!
Which of the following is NOT a light source?
Moon
Stars
Sun
Oops!
Okay!
Is this diagram correct? Why or Why not?
No, the two angles are not the same.
Oops!
Okay!
Identify how light travels that makes the girl see the sun.
The light from the sun travels to the girl's eyes.
Oops!
Okay!
Identify the ray.
Incoming light ray
Reflected ray
Oops!
Okay!
Objects that make their own light are called ...
Light Sources
Oops!
Okay!
Identify the ray.
Reflected ray
Incoming light ray
Oops!
Okay!
A ray that hits a surface is called...
Reflected ray
Incoming light ray
Oops!
Okay!
Identify how light travels in a periscope that makes the boy see the bird above him.
Sun - Bird - Mirror 1 - Mirror 2 - Boy's eyes
Oops!
Okay!
A ray that bounces off a surface is called...
Reflected ray
Incoming light ray
Oops!
Okay!
Name the instrument.
Periscope
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies