Light

A natural light source is...

• Torch

• The Sun

• Lamp

• Computer screen

Light always travels in a ______________ line.

A piece of wood is...

• opaque

• translucent

• transparent

• solid

A translucent object is...

• an object that completely blocks light

• an object that transmits all light

• an object that transmits some light

• an object that completely reflects light

A shadow is formed when...

• when light hits a transparent object.

• when light hits a translucent object.

• when light hits an opaque object.

Which of the following is not a source of light?

• torch

• stars

• book

• mobile phone screen

Which of the following is an artificial source of light?

• street light

• sun

• firefly

• glow worm

_____________ is when light bounces off an object. For example, when a light reflects off a mirror.

• reflection

• absorption

• refraction

• transmission

Ray diagrams are used to show...

• an opaque object

• a natural light source

• the path of light

• how fast light travels

When light is transmitted through different substances (such as from air into water) the rays of light appear to bend. This is called...

• absorption

• reflection

• refraction

• rejection