Did you know you can make butter in a jar using just cream?Cream is basically fat droplets mixed in water. When you shake the cream in the jar the fat droplets stick together to form butter and a ...
Kitchen Science
Raising Raisins – baking soda investigation
What do you think will happen if you put a raisin in a glass of water?It will sink!Do you think it's possible to make raisins rise to the top and jump around?Find out in this simple ...
Meringue Towers
There are two parts to today's activity. First you're going to discover how meringue is made. Can you believe it starts out as egg whites and sugar??Once you've made some delicious meringue, ...
How to make oobleck
Making oobleck was one of the very first science activities I wrote about on Science Sparks. I've given this very old post about how to make oobleck a bit of an update and refresh so I hope you like ...
Blow Up a Balloon with Lemon Juice
We have had lots of fun blowing up a balloon with lemon juice today, although it's taken several attempts to perfect our technique. What you'll need A small bottle or jar Lemon ...
Why does salt melt ice?
Why does salt melt ice? We've experimented with ice and salt before and found that salt does make ice melt, but why does this happen?The photo above is just a block of ice withe pipe cleaners ...
How to make pH indicator test strips
Making pH indicator 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 ...
Candy House – Making a stable structure
My 6 year old came out of school last week incredibly happy and excited as they'd spent the afternoon building sweetie houses. As soon as we got home he wrote me a shopping list of what we needed to ...
More plastic milk
Plastic milk was one of the first experiments I posted on Science Sparks, when the kids were quite little. It was a lovely sensory experience for them at the time, but they obviously couldn't ...
Baking Soda Popper
The lovely Mummy Barrow recently sent me a link to a fab YouTube video of Steve Spangler popping film canisters on the Ellen show. I had been intending to pick up some canisters on my next shopping ...
