Light- Year 3

Which of the following are examples of light sources? (Circle all that apply)

• The Sun

• A Torch

• A rock

• • The Moon

What do you call the dark shape formed when an object blocks light?

If you put a toy in front of a torch, what happens to the light? Describe what you see.

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What is the difference between natural and artificial light sources? Can you give an example of each?

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Which of these is a good way to stay safe in the sunlight?

• Wear sunglassed

• Stare at the Sun

• Stay inside when it is sunny

• • Wear a thick coat

Which of the following is true about the Sun?

• • The Sun is a type of shadow.

• The Sun is only visible at night.

• The Sun is a source of light.

• The Sun is not important for light.

Can you describe one material that reflects light well and how you know it does?

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How do shadows change when you move closer or further away from a light source?

• The shadow stays the same size.

• The shadow becomes smaller when you move closer and bigger when you move farther away.

• The shadow disappears when you move closer to the light.

• • The shadow becomes bigger when you move closer and smaller when you move farther away.

How could you plan an investigation to see how the size of a shadow changes with the distance from a light?

• Move the light source and object together, and measure the shadow size each time.

• Keep the light source in one place, change the distance to the object, and measure the shadow size.

• Change the light source only and measure the shadow size.

• Move the object and light source together, without measuring.

How does sunlight affect your skin, and why is it important to protect your skin from it?

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