Changing Shadows
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  • Introduction
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Me and my shadow - we go everywhere together.  Well, that'd be pretty much true, as long as there's some light to make a shadow. But what happens when there's more light or less light? What happens when the Sun moves across the sky as the day progresses? Is my shadow affected?

 

In this worksheet you'll have the chance to explore these sorts of ideas, to put your knowledge to the test and also to build on that knowledge.

 

Let's get going!

  • Question 1
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Toby noticed that the shadow of the tree in his garden was not always in the same place.

What is the best explanation for this?

sometimes it was raining

the Sun moved

the position of the Sun in the sky changed

  • Question 2
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He also noticed that the length of the tree's shadow changed during the day.

When was the shadow at its longest?

at dawn

at noon

in the afternoon

  • Question 3
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Why was the tree's shadow sometimes very long?

because the Sun was low in the sky

because the Sun was high in the sky

because the tree was covered in leaves

  • Question 4
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Toby decided to use his knowledge of shadows to make a sundial. He placed a stick in the ground and marked where its shadow fell at three different times of the day.

Look at these three pictures carefully and decide which one is the correct one: think about the length of the shadows and how the Sun appears to move across the sky.

sundial 1

sundial 2

sundial 3

  • Question 5
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Look at these three pictures of the Sun causing a shadow of the house:

 

 

Which one do you think shows the Sun in the correct place?

A

B

C

  • Question 6
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On a clear day in the summer what type of shadow will be made when the Sun is setting in the evening?

a very long shadow

a very short shadow

no shadow at all

  • Question 7
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What happens to the size of the shadow when you move an object closer to the light source?

its shadow gets bigger

its shadow gets smaller

its shadow stays the same size

Progress