We all do it. Sometimes because we should probably be going to bed, sometimes because we’re still waking up, and sometimes because we’re watching a lion do it on television. We all involuntarily throw our mouths open, take a long, deep...
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How do planes fly? Aeroplanes are amazing: heavy hunks of metal that can fly with people sitting in them! Most children seeing or travelling in one will be curious about how they work. And they’ll probably ask you about it. Gravity pulls...
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Find out more Why do bubbles keep rising from the bottom of fizzy drinks and don’t run out? This one question, asked of us by an 11 year old friend of Letterbox Lab, has a few interesting questions wrapped up in it. Why do bubbles come out of...
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Our first Explore Box, Hidden Rainbows, reveals secret colours in everyday items such as felt tip pens and ceiling lights. But how are rainbows formed in nature? And what is a rainbow? When a reviewer asked how the contents of the Explore Box...
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Even a fairly small cloud can weigh as much as 100 elephants! So, on the average day in the UK there is thousands, even millions of elephants worth of water and ice above our heads. Obviously 100 elephants would not float, even one elephant...
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Our kids’ science questions blog series is getting a science fiction flavour again as we consider is it possible to travel faster than light. In many science fiction shows and films travelling across the Galaxy to distant stars and planets is a...
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The sky is made of air, which is obviously not blue. So, why is the sky blue? This seems like a tricky question which children ask a lot. But in two easy steps you can see for yourself the answer to this age-old question. Step 1 – Making...
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Our regular blog series providing answers to the science questions kids ask is getting a little sci-fi flavour. First in this mini-series we ask “could you build a real lightsaber?”. Every one of the last five decades has had at least one...
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The obvious response to your child asking “why do we laugh when tickled?” is to say, ‚ÄúI don‚Äôt know, let‚Äôs do an experiment‚Äù. Give them a massive tickle while continuously asking them, ‚Äúwhy are you laughing?‚Äù. Keep going...
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Farts are definitely funny. We think we’re pretty clever and sophisticated beings with art and science and civilisation and then all of a sudden some smelly gas comes noisily out of our bottoms. For a moment all of that sophistication is...
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It might have been difficult to notice through Storm Doris yesterday, but with every day there is a sunrise and a sunset. In between, the familiar ball of fire appears to crawl its way across the sky, bringing us light and warmth.  But what is...
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If your child asks you this question, don’t feel you actually need to know the answer. Nobody knows, which makes it a great question. Forget UFOs and little green men, we are thinking about the possibility that Earth is not the only place in...
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