Grade 4, Stage 5, Unit 4, Check Your Progress

Surfaces that are better at absorbing light are...

Surfaces that are better at reflecting light...

A ray that hits a surface is called...

A mirror used to look after everyone that enters a shop.

Identify how light travels that makes the girl see the sun.

Which of the following is NOT a light source?

Is this diagram correct? Why or Why not?

It is the process where light is bounced off from a surface, changing its direction.

A ray that bounces off a surface is called...

Which of the following is the best at reflecting light?

Our left side can be seen on the right side of the mirror, and our right side can be seen on the left side of the mirror. This is because the image projected from the mirror are...

Objects that make light bounce off are called...

Identify how light travels in a periscope that makes the boy see the bird above him.

Identify the ray.

A band of light is called a ...

Objects that make their own light are called ...

Identify the ray.

Different surfaces reflect light at different rates.

A mirror used to avoid accidents when travelling through a curved road.

Identify how light travels that makes the boy to see the cupcake.

Which of the following is a light source?

Identify how light travels that makes the boy to see the chair.

A mirror used by dentists to see through the back of our teeth.

Name the instrument.