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

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

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.

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

Which of the following is a light source?

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

Identify the ray.

Surfaces that are better at absorbing light are...

Objects that make light bounce off are called...

Different surfaces reflect light at different rates.

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

Which of the following is the best at reflecting light?

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

Is this diagram correct? Why or Why not?

Surfaces that are better at reflecting light...

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

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...

Identify the ray.

Objects that make their own light are called ...

Name the instrument.

Which of the following is NOT a light source?

A band of light is called a ...

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