Lava lamps are one of my favourite things to make. They are very easy to make but really impressive for children to watch. I also have a pumpkin lava lamp you might like. You will need Instructions Fill the bottle or jar a quarter full with water. Top up to the (near) top with the…
We love a good baking soda experiment. I spotted this brilliant and simple idea on Reading Confetti, who kindly said I could post it here. These are our fizzing rocks. How to make fizzy rocks You’ll need Water Bicarbonate of soda/baking soda Vinegar Food colouring Instructions Mix a little water with the bicarbonate of soda….
Jelly is a great way to learn about changes of state as first it dissolves in hot water and then sets to become solid as it cools. Why does jelly set? Jelly sets because of a protein called collagen. Collagen is made up of three protein fibers wrapped around each other. Jelly contains gelatin, which…
‘Thank crunchie, it’s Friday’ seems the perfect phrase for today’s experiment as it involves learning how to make honeycomb with our easy honeycomb recipe. Once you’ve made the honeycomb and learned about the science behind the bubbles, the rest is up to you. Add melted chocolate, sprinkles, popping candy or anything else to make it…
Curdling is a process by which a liquid is transformed into a soft semi-solid or solid mass. We can see this happen in a straightforward experiment! Milk is made up of proteins, fats, sugar and water. The protein molecules ( mostly casein ) are suspended in the liquid, where they move freely. Milk is a…
It is so annoying when getting to the end of a ketchup bottle, and you have to keep banging to get that last bit out. Why is this? Because ketchup is thick and does not flow as easily as other fluids. We call this resistance to flowing viscosity. The rate at which different fluids flow…
We love a science experiment that seems like a magic trick, and this activity is one of the best. We’re going to find out how to make hot ice. Imagine saying to people, ‘I can make hot ice!’ They wouldn’t believe you would they? As far as science theory goes, they shouldn’t, we know that…
Today we are looking at the difference between things being wet and dry. This investigation is so simple I did it with my 18 month old,  who loved dipping her fingers in the different pots and saying ‘wet’, so it is a great preschool science activity but can also be extended for older children. What you…
This is a brilliant investigation for finding out how waterproof different materials are. I printed a picture of a chicken and asked the children to colour it in, then gave them a selection of materials to protect the chicken from water. What you need Instructions Place the squares of material over the picture. Sprinkle water…
Make a yummy Baked Alaska and learn at the same time. Mmmmm, Ice-cream is one of my and my children’s favourite foods. On its own straight out of the tub, or on top of a cone or with a pudding, it is just yummy, but we all know what happens if you leave ice cream…
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