SIE 3 Light and shadow

Amir wants to wrap a surprise present.

Is an opaque material suitable for wrapping the present?

Why?

Light allow all light to pass through the material is called ....

• transparent

• translucent

• opaque

Why the translucent material cannot be seen clearly?

Which sentence describes how a shadow is formed?

• An opaque object forms a shadow when it allows only some light to pass through it

• An opaque object forms a shadow when it blocks light from passing through it

• A transparent object forms a shadow when it blocks light from passing through it

When the light is blocked, and dark area is formed is called ...

Which material that can form a dark shadows?

• opaque
• transparent

• translucent

it is allows some light to pass through them is the material of ....

allows nearly all light to pass through

The correct statement about the picture is ….

• Glass of aquarium is translucent

• We can see things inside because transparent

• The glass allows some light to pass through

• The glass of aquarium is made of opaque

If the teddy bear is moved near to the flashlight.

What will happen to the shadows of teddy bear on the screen?

• The shadow of the teddy bear on the screen is bigger

• The shadow of the teddy bear on the screen is smaller

• The size of teddy bear becomes smaller

• The shadow cannot form on the screen