Articles on Curious Kids

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Food helps recharge your batteries. Shutterstock

Curious Kids: Why do we need food?

Just like a mobile phone, your body needs to be recharged every day. You need to eat food and drink water every day to keep your body going. Some foods are better than others at helping you stay well.
Perth air traffic control tower. As a pilot flies towards the destination, the air traffic control tower sends an interrogation signal. The aircraft automatically responds with a series of short pulses that let air traffic control know the identity of the plane and its altitude. © Copyright Airservices Australia

Curious Kids: what’s the history of aircraft squawk codes and how do they work?

Secondary radar is an important tool in the control of aircraft traffic, and helps make air travel safe. It was developed during dangerous times.
Imagine This is a co-production between ABC KIDS listen and The Conversation, based on The Conversation’s Curious Kids article series. Season two has launched!

Curious Kids and Imagine This: two neat ways to get young minds thinking this school holiday season

These school holidays, check out the podcast Imagine This, a co-production between ABC KIDS listen and The Conversation. And comb through our Curious Kids series.
Sometimes air goes up past the condensation level then falls back below the condensation level, then up, then below, again and again. This creates clouds that are stripy, often with lines between the clouds. Robert Lawry/Author provided

Curious Kids: where do clouds come from and why do they have different shapes?

Clouds formed by rising warm air currents are called 'convection clouds'. Because of all the rising air coming up, these clouds can be bumpy on top, sometimes looking like cotton wool or cauliflower.
The other galaxies are there, but they are hiding a very long way away. www.shutterstock.com

Curious Kids: Where are all the other galaxies hidden?

We are in the Milky Way. If you travelled on an extremely fast spaceship for more than two million years, you would reach our neighbour, the Andromeda galaxy. All other galaxies are even further away.
Inside the pupa (or chrysalis), the caterpillar actually turns to liquid as it transforms into a butterfly or moth. Shutterstock

Curious Kids: Do butterflies remember being caterpillars?

Scientists were not sure if an adult butterfly could remember things it learned as a caterpillar. Then a study by a team of US scientists found something very interesting.
If they are simply too large, your tonsils can be shrunk down using special instruments which remove the valleys and crypts. Shutterstock

Curious Kids: Why do we have tonsils?????

Tonsil tissue is particularly important in the first six months of life. After this, our lymph glands take over most of the work and the tonsils are essentially out of a job.
Westy48/Flickr.

Curious Kids: what is fire?

Put simply, it's the outcome of a chemical reaction, which humans learned how to make some 400,000 years ago.

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