Where light comes from
We need light to see. Light can come from many different sources, such as the Sun, stars, torches, lamps and candles. Some sources of light are so powerful that they can damage our eyes if we directly look at it. That's why we often need sunglasses.
Light travels faster than anything in the universe and it always travels in straight lines.
Some animals are sources of light such as fireflies and glow worms.
A This is when one or more substances react with each other creating a new substance. When you make a cake or bake bread, chemical reactions take place and a new substance is formed. happens inside fireflies and this helps them to light up!
Activity 1: Fill in the gaps
Activity 2: Quiz
Activity 3: Sources of light
Have a look around wherever you are right now.
- How many sources of light can you see?
- Draw a source of light that you can see.
- Try to explain how this source gives off light.
Does it use electricity? Is it on fire, like the Sun?
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