Light (Shadows) Science Year 4

The picture shows ______________

• Light travels in a straight line

• Light can be reflected

• Light can be refracted

Tags

NGSS.MS-PS4-2

What will happen if one of the cardboard is shifted slightly to the right?

• The torch can be seen

• The torch cannot be seen

Tags

NGSS.MS-PS4-2

How to increase the size of the shadow on the screen?

• Move the object further to the light source

• Change the type of object used

• Move the object closer to the light source

There are two factors that affect the size of shadow. What are the factors? Tick the correct answers.

• Size of the screen

• Distance of object from the screen

• Distance of object from the light source

• Size of the light source

The nearer the object to the light source, _____________________________

• the bigger the shadow will be

• the smaller the shadow will be

• the longer the shadow will be

• the shorter the shadow will be

Tags

NGSS.5-ESS1-2

The further the object from the light source, __________________

• the bigger the shadow will be

• the smaller the shadow will be

• the longer the shadow will be

• the shorter the shadow will be

What is the factor that affects the clarity of a shadow?

• Type of the light source

• Size of light source

• Size of screen

• Type of material of the object

What conclusion can be made from this investigation?

• Light travels in parallel

• Light travels in straight line

• Light cannot pass through and opaque object

• Light cannot bend

Tags

NGSS.MS-PS4-2

A shadow is created when...

• an object blocks the light

• an object lets light pass through

• an object is above light

• an object reflected the light

Tags

NGSS.5-ESS1-2

Why does the cat form a shadow?

• It reflects light

• It blocks light