Light

Objects that let light travel through them easily are...

• opaque

• transparent

• translucent

• a light source

Which of these statements are NOT true

• light travels in straight lines

• the moon is a light souce

• light travels faster than sound

• light moves from a light source straight to our eyes

Refraction occurs when

• light bounces off a surface and changes direction

• an area of light is blocked

• light bends as it passes from one medium to another

• rays or beams meet our eyes

Reflection is

• when light is blocked

• when light is seperated into a rainbow

• when light bends when moving from air to water

• when light bounces off a surface, changing the direction of a ray of light

True or False: Shadows become larger when the object is closer to the light source

A spectrum is

• a solid 3D shape

• a range of colours caused when white light is refracted

• a range of colours caused when white light is reflected

• a range of colours in a shadow

Objects which are opaque

• do not let any light pass through them

• let some light travel through them

• let light travel through them easily

• make their own light

Translucent objects

• let light travel through easily

• let some light travel through, but scatters the light so we can't see through them properly

• bend light

• do not let light pass through them

Which of these is NOT part of the eye

• retina

• sclera

• cornea

• prism

Which colour is NOT a colour of the rainbow?

• red

• pink

• indigo

• violet