How are balloons made?
This question was asked by Lowe from West Sussex, UK. Balloons have been around for a lot longer than you…
Category: Chemistry
Why can’t astronauts have fizzy drinks in space?
Astronauts aboard the International Space Station (ISS) generally drink water but thanks to the NASA Isspresso machine they can also have hot…
The quickest way to defog your car windscreen (according to Mark Rober)
You may have already seen or heard of this brilliant video by Mark Rober, where he demonstrates the quickest way to defog…
Why does chopping onions make your eyes water?
Why is it that cutting up an onion makes us cry? You can be fine when you start and yet…
Why does ice float?
This question was asked by Jacqui from West Sussex, UK. If you drop an ice cube into a glass of…
NASA: there is water on Mars
Until 3 billion years ago, Mars was a wet planet much like our own. It had land, an extensive atmosphere…
What are chemicals?
This question was asked by Elizabeth from West Sussex, UK. Chemicals are everywhere. Everything made of matter (anything you…
The science of cake
Baking’s great – you combine a few ingredients, add heat and end up with something tasty. But did you know…