5. how do shadows_change_shape

WHAT do these words mean? Click

me to see if you know

Too easy? Click here

Some materials let light through

easily!

Some materials let some light

through!

Some materials let no light through!

Which one(s) of these makes a shadow?

Block the circles here with each one to see.

Shadows are made when light is

blocked.

The shadow is the same shape as the

object.

ARGH! Then if shadows are the same as the object….

This animal must be MASSIVE!

HAHA! He clearly doesn´t know

anything about science!

Your task

Use a torch and pencil to find out how a

shadow can change in shape.

E.g. how can it be made bigger / smaller or

shorter / longer

When the light is

high, the shadow is

short!

When the light is low, the shadow

is long!

When the light is

close, the shadow is

large!

When the light is far, the shadow

is thin!

Join them to complete the sentences!

Shadows are longer when

Shadows are bigger when

Shadows are shorter when

Shadows are smaller when

the source is closer

the source is far away

the source is higher

the source is lower

Click me to check!