How is light made?

light

Light is all around us. The Sun shines on the Earth every day and we use electric lights or candles to light our homes, schools and workplaces. We use torches or streetlights when we are out and about at night and build fires for light and warmth when we go camping. Even in the middle of the night, there is some light from the stars in the sky.

But one of my daughter’s schoolfriends asked me how light is made. And her brilliant question made me think about natural and man-made light sources.

So, let’s find out more about light – what it is and how it is made…

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How do they make electricity?

electricity_power_girl

In Britain, it is easy to take our reliable electrical power supply for granted. Many things in our homes, schools, work places and public spaces are powered by electricity. Think for a minute about all the things you’ve done today – how many of them used electricity?

I’m sitting in my kitchen, using a laptop to type this blogpost with the lights on, sipping a hot cup of tea. I wonder how much electricity I’m using right now?

So, how do we make electricity? And how do we keep our power supply reliable?

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How do you make bubbles?

bubbles

At bathtime, I heard a lot of giggling and splashing and, when I opened the bathroom door, I found my daughter in the middle of the biggest, bubbliest mountain of bubbles imagina-bubble! She said she was “doing science”, making lots and lots and lots of bubbles in the bath…

Bubbles appeal to kids of all ages and they are super easy to make – all you have to do is trap some air inside a thin film of soap.

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