Here at Science Sparks HQ we love a bit of magic, whether it be a memory trick, slight of hand or even a bit of science magic. These 10 easy science tricks for kids are great fun and mostly super simple. The density one is a little tricky and potentially messy, but well worth the effort for the incredible end result.
Easy Science Magic Tricks
Skewer through a balloon
First up is the skewer through a balloon trick. Take care with this one, the skewer will be sharp and it might be worth having a few spare balloons around until you get the hang of it.
Top Tip – place a little vegetable oil on the parts of the balloon that the skewer will poke though and push the skewer through the thickest parts of the balloon.
Impress your friends with an easy leakproof bag. All you need for this one is a sealable sandwich bag and some super sharp pencils.
Top Tip – use very sharp pencils
Make a coin disappear
Did you know you can make a coin disappear using just a glass and water?
Remove the shell from an egg without touching it!
If after all that you STILL have an intact egg membrane, try making the egg shrink and then grow again while learning about osmosis at the same time.
How to Defy Gravity
Did you know you can defy gravity using a magnet and a paper clip? This clever trick is sure to wow an audience!
Top tip – a strong magnet works best for this.
Always supervise children when using magnets
Egg in a Bottle Experiment
Watch an egg drop magically into a jar in this fun activity using air pressure ( not magic at all ).
How to make an unbreakable egg
With the shell on the egg this time, find out how to make an unbreakable egg.
Colour Changing Flowers
Bored of plain white petals? Place them in water and food colouring to change the colour!
Top tip – natural food colours don’t work for this.
Water that won’t mix
Do you know why the coloured water isn’t mixing with the non coloured water in the image below? It’s a little density trick. Add lots of salt to the lower layer ( making it more dense ) so the less dense water on top doesn’t mix with the denser coloured lower layer.
Top tip – this also works with warm and cold water. Warm water is less dense than cold water.
Floating Eggs and Sinking Lemons
Top tip – remove the skin to make a lemon sink!
Transforming Milk and Cream
Cool a drink in 3 minutes
Chill a room temperature drink in 3 minutes using just ice, salt and water!
Do you have any more science tricks for us?
Last Updated on June 23, 2023 by Emma Vanstone