The recent mini heatwave in the UK meant we needed some serious help cooling down, so we had another go at making homemade slushy drinks! To make a slushy drink, you need to partially freeze a delicious fruity liquid. This can be fruit juice, smoothie, flavoured milk or anything else you enjoy the taste of….
We have had lots of fun blowing up a balloon with lemon juice today, although it’s taken several attempts to perfect our technique. This is a brilliant chemistry experiment for learning about chemical reactions! Inflate a Balloon with Lemon Juice What you’ll need A small bottle or jarLemon juiceVinegarBicarbonate of sodaBalloons Instructions Stretch the balloon…
These magnet powered cars are very easy to make and great for some competitive fun this Easter. My 10 year old and I had a brilliant time trying to build a car big enough to hold an egg safely, but small enough to move easily. It’s a bit of a fine balance! You’ll need K’nex/LEGO…
Why does salt melt ice? We’ve experimented with ice and salt before and found that salt does make ice melt faster, but do you know why? Salt lowers the freezing point of water which sounds complicated but actually makes a lot of sense once you try it out! The photo above is just a block…
Making pH test strips is surprisingly easy and I was very impressed with how well they worked. These are a lovely alternative or additional activity to making red cabbage indicator solution and fantastic for learning about the pH scale. How to make pH indicator paper You’ll need Red Cabbage Indicator – made by boiling chopped red…
Do you know how to make a naked egg? It’s super simple and a great fun science experiment for kids of all ages. A naked egg is an egg with no shell. Can you imagine such a thing? The shell dissolves in vinegar, but the membrane stays intact. All you need is an egg and…
My 6-year-old came out of school last week incredibly happy and excited as he had spent the afternoon building a candy house. As soon as we got home, he wrote me a shopping list of what we needed to do a similar activity at home. This would also be great for a Three Little Pigs…
Plastic milk was one of the first experiments I posted on Science Sparks when the kids were little. It was a lovely sensory experience for them at the time, but they obviously couldn’t understand what was happening; with that in mind, we revisited the activity with the addition of some food colouring. I didn’t measure…
After watching this YouTube video of Steve Spangler popping film canisters on the Ellen Show, I knew I wanted to give it a go. I had been intending to pick up some canisters on my next shopping trip, but yesterday, I spotted a little effervescent tablet container in the cupboard. I didn’t want to waste the…
Do you know why pop rocks pop? We’re going to find out in this easy kitchen science investigation. Why Popping Candy ( Pop Rocks) Pops We all tried the popping candy first and giggled as it burst tickling our tongues. Pop Rocks Experiment We decided to see what else would make the candy burst, so…
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