Light

Light travels ______________

• around corners

• in a straight line

Opaque means...

• No light passes through it

• All light passes through it

• Some light passes through it

which is a transparent object

• steel

• copper

• iron

• glass

Rays travelling from the object towards our eyes are called____________.

• incoming rays

• reflecting rays

• ray diagram

Which material allows little light through.

• Transparent

• Opal

• Translucent

• Opaque

Which of these are examples of natural sources of light?

• Sun

• Stars

• Lightning

• All of them

Which of these are examples of artificial sources of light?

• Lightbulbs

• Televisions

• Both

Which material is NOT translucent?

• Brick

• Tissue paper

• Thin sheet of plastic

What is the main source of light?

• Light bulbs

• Sun

• Candles

• Fluorescent lights

What kind of surface will NOT have a reflection?

• Smooth lake

• glass

• Mirror

• rough surface