olive oil
Wintry Science
Tweet Wintry Science Here’s a seasonally related temperature experiment exploring what happens when we freeze oil & water You will need: a clear plastic container, water, cooking oil food colouring (optional), use of a freezer. Instructions 1. Pour some water into the clear plastic container. You can add some blue or green food colouring [...]
Rainbow in a Jar
Tweet Another one that could hardly be simpler, but is also very good science and in this particular version makes a display of wonderful colours. You will need: Blue washing up liquid Corn Syrup Blue and Red food colouring Olive Oil Rubbing Alcohol (Isopropyl Alcohol – available from the chemist) Plus… a spoon measuring cup [...]
Fabulous Colour Bubbles
Tweet Learning about the Scientific Properties of Oil and Water Oil and water do not mix, as they have very different properties from one another. This changes how they interact with other materials, such as food colouring. This activity will demonstrate how oil and water are different while creating a beautiful array of colour bubbles. [...]
Make an Easy Lava Lamp
Tweet Learn how to make an easy lava lamp with this fun science experiment. Use simple household items such as vegetable oil, food colouring, Alka-Seltzer and a bottle, to create chemical reactions and funky balls of colour that move around like a real lava lamp. You will need Water A clear plastic bottle Vegetable oil [...]
What would Halloween be without “blood”?
Tweet Fake blood can be expensive to buy, and not exactly edible, much less tasty. If you’re going for the vampire look, you want blood you don’t mind getting in your mouth. By using a little kitchen chemistry, try these recipes for realistic-looking edible (non-toxic) fake blood. Recipe 1 – Cherry Flavour You will need [...]
Eggs To ‘Dye’ For!
Tweet Here is an Egg / Vinegar combination. This is a bit more ‘crafty’ and you end up with some cool looking dyed eggs! You Will Need One teaspoon white vinegar About 20 drops of liquid food colouring White-shelled hard-boiled eggs Large and small bowls A Cup To Dye a Single Colour: 1. Line a [...]
Fireworks in a Glass!
Tweet Fireworks in a Glass Safe Simulated Fireworks for Kids Fireworks are a beautiful and fun part of many celebrations, but not something you want children to make themselves. However, even very young explorers can experiment with these safe underwater ‘fireworks’. What You Need water oil food colouring a tall clear glass another cup or glass [...]
How To Make a Fizzy Bath Bomb
Tweet Use chemistry to make a fizzy, scented bath bomb. Make them for yourself or give them as gifts! What You Need: 2 tablespoons citric acid powder (If you have difficulty getting hold of citric acid powder then you can use lemon juice, just include it with the wet ingredients) 2 tablespoons cornflour 1/4 cup [...]
Keeping Healthy
Tweet What You Need Brown Paper, or Paper Towels Corn snacks, Crisps, Rice, Pasta, Suet, Crackers etc Instructions Hold your brown paper, or paper towels up to a light. Can you see through the paper? Choose one of your foods. Place it on your paper, cover it with another piece of the same paper [...]