Unit9 Light

a) When rays of light pass through water or glass, they bend.

• True

• False

b) We see a rainbow in the sky after rain.

• True

• False

c)Light travels very slowly.

• True

• False

d)The bending of light rays is called refraction.

• True

• False

e)The sun gives off heat and light.

• True

• False

a)We can see the colours of objects because they ............... light.

b)Light and heat are ................ for plants and animals.

c) Animals need ................ to see in the dark.

d)Light travels in straight lines called .....................

e)A rainbow is a large .................... of seven colours.