Light and Shadows

How does an opaque material affect light?

• It allows all light to travel through it
• It allows some light to travel through it
• It allows no light to travel through it
• none of the above

You are making shadows with a torch and one hand. What could you do to make the shadow bigger?

• Use a smaller torch
• Move the torch further away from your hand
• Move the torch closer to your hand

What causes shadows?

• Shadows are caused by the dark
• A shadow appears when light cannot pass through an object
• Shadows are only caused by the Sun going behind a cloud
• A shadow is formed when the light changes colour to black

Outdoors, shadow is shortest at what time of day?

• morning
• noon
• evening

Shadows are made with transparent material.

• True
• False

The shadow of an object does not show

• the colour of the object 
• the shape of the object
• the outline of the object
• none of these

The shape and size of a shadow depends on

• the shape and size of the object
• the position of the source of light
• the distance between the source of light and object
•  all of the above

A Solar Eclipse happens when the _______________ blocks the _________________.

• Earth blocks the Sun.

• Moon blocks the Earth.

• Sun blocks the Moon.

• Moon blocks the Sun.

The following shows a ___________________ eclipse happening.

• Solar

• Lunar

A Lunar Eclipse happens when the _______________ blocks the _________________.

• Earth casts a shadow on the Sun.

• Moon casts a shadow on the Earth.

• Sun casts a shadow on the Moon.

• Earth casts a shadow on the Moon