STEM BUDDIES

← Back to blog

Published on 10/1/2025 by James Best

The Sticky Secrets of Atoms

A Tiny World of Wonders

Atoms Sticking Together

The Sticky World of Atoms: Nature’s Building Blocks

Hey there, curious scientists! 🔬 Have you ever built something amazing with LEGO bricks? Well, guess what - everything in our world is built a bit like LEGO, but with pieces so tiny you can’t even see them! These tiny pieces are called atoms, and today we’re going to discover their super-cool sticky secrets!

The Mystery Box Challenge

Before we dive in, let’s try something fun! Get a box and put different objects inside - maybe a wooden block, a metal spoon, and a rubber ball. Without looking, can you feel how different they are? Some might feel hard, others soft, some smooth, others rough. But here’s the mind-blowing bit - they’re all made of atoms! The only difference is how these atoms stick together.

Atoms: Nature’s Tiniest LEGO

Imagine you’re building a giant castle with LEGO. You need the bricks to stick together, right? Atoms work the same way! They have special ways of sticking together called ‘bonds’. Let’s meet these super-strong connections:

The Best Friends Bond (Covalent Bonds)

Some atoms are like best friends who share everything. They hold hands so tightly that nothing can pull them apart! This is why diamond (made of carbon atoms holding hands super tight) is one of the hardest things on Earth.

The Trading Partners Bond (Ionic Bonds)

Other atoms are like trading partners. One atom gives something to another, and they stick together because they both get something they want. It’s like when you trade your sandwich for your friend’s crisps - you both end up happy!

The Party People Bond (Metallic Bonds)

In metals, atoms are like people at a party, sharing and passing things around. This is why metals can bend without breaking - their atoms are good at moving around while staying friends!

Let’s Be Scientists: The Magic Bouncy Ball Lab

🔬 WARNING: Adult Scientists Required! This experiment needs a grown-up helper to keep everyone safe.

What you’ll need:

Safety First:

Steps:

  1. Put on your safety gear - you’re now a proper scientist!
  2. Ask your grown-up helper to mix the warm water and borax in one bowl
  3. In the other bowl, mix the glue and food colouring (if using)
  4. SLOWLY pour the borax mixture into the glue while stirring
  5. Watch as the mixture turns into a ball!
  6. Gently knead your creation (with gloves on)

What’s happening? You’ve just created a polymer - lots of atoms holding hands in long chains. That’s what makes your ball bouncy!

Mind-Blowing Atom Facts

Become an Atom Detective

Look around your room. Can you spot:

The Big Question

Scientists are always asking questions, so here’s one for you: If everything is made of atoms, why do different things feel so different? Think about it, talk about it with your friends, and maybe do some experiments of your own to find out!

Remember: The next time you build with LEGO or play with friends who stick together, you’re acting just like atoms do - creating something amazing by joining together!


Happy experimenting, young scientists! 🔬✨

Safety Note for Grown-ups: Please supervise all experiments. Ensure proper safety equipment is used and maintain good ventilation during the bouncy ball experiment.

Written by James Best

← Back to blog
  • Brilliant Boffins: Marie Curie - The Glowing Scientist

    Brilliant Boffins: Marie Curie - The Glowing Scientist

    Discover the glowing adventures of Marie Curie, the scientist who lit up the world with her radioactive discoveries and became the first woman to win a Nobel Prize!

  • Blast Off with Valentina: The Spacelady Who Reached for the Stars!

    Blast Off with Valentina: The Spacelady Who Reached for the Stars!

    Get ready to launch into the amazing story of Valentina Tereshkova, the first woman to journey into the mysteries of space! Discover her courageous adventure, try a stellar science experiment, and learn mind-boggling facts about space travel.

  • Rocket Woman: Soaring with Annie Easley's Cosmic Calculations 🚀

    Rocket Woman: Soaring with Annie Easley's Cosmic Calculations 🚀

    Get ready to blast off into the amazing story of Annie Easley, a trailblazing mathematician and 'human computer' who helped NASA explore the cosmos! You'll learn how her numerical wizardry launched rockets, discover mind-blowing moon facts, and put your coding skills to the test with a lunar lander challenge.

  • Stargazer Extraordinaire: The Cosmic Adventures of Wang Zhenyi 🌟

    Stargazer Extraordinaire: The Cosmic Adventures of Wang Zhenyi 🌟

    Ever wondered who first mapped out the stars? Get ready to meet Wang Zhenyi, the amazing ancient Chinese astronomer who charted the night sky over 1,700 years ago! You'll learn why she's called the 'Cosmic Genius' and even get to make your own stellar observations.

  • The Scientist Who Cracked the Code: Flossie Wong-Staal and the Fight Against HIV

    The Scientist Who Cracked the Code: Flossie Wong-Staal and the Fight Against HIV

    Ever wonder how scientists discovered the virus that causes AIDS? Get ready to meet the brilliant explorer who helped crack the code - and try some fun DNA experiments along the way!

  • Ellen Ochoa: Rocketing into Space Exploration!

    Ellen Ochoa: Rocketing into Space Exploration!

    Get ready to blast off on an out-of-this-world adventure with Ellen Ochoa, the first Hispanic woman in space! Discover how this brilliant scientist and astronaut helped revolutionise space innovation and paved the way for future space explorers.