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Experimenting With Naked Eggs or: Naked Eggs Part Two
Tweet If you made naked eggs in Naked Eggs Part One you can now experiment with them in Naked Eggs Part Two! Find out about osmosis – the movement of water across a membrane. You will need: at least 2 naked eggs, containers large enough to hold a single egg and some liquid (coffee mugs [...]
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 [...]
Scientific Slushy!
Tweet Cool off and amaze your friends by making any soft drink or soda turn into a slushy on command. Here’s how to do this fun and refreshing supercooled science project. You will need: A soft drink A freezer Any soda or soft drink works for this. The slushy project works especially well with 16-oz [...]
Super Cool Bag
Tweet Watch a zip lock bag blow up and become super-cold from a chemical reaction… You’ll love this one! You Will Need: Citric Acid, Baking Soda, Tap Water, Zip lock bag (15cm x 10cm), Measuring cup, Plastic spoons, Teaspoon Perform this experiment over a kitchen sink! There is a small chance the zip lock bag [...]
Twice as Tense!
Tweet Try this classic science investigation comprising two essential Surface Tension activities You will need: A bowl A dash of Pepper Washing up liquid A Sugar Cube or Cotton Cloth Wooden Matchsticks Experiment No 1 Instructions 1. Fill the bowl with water. 2. Sprinkle a dash of pepper in the bowl of water. 3. [...]
Mighty Morphin’ Milk
Tweet Who knew that ‘moo juice’ could be so much fun? In this investigation we mix milk and vinegar together to create our own plastic, ready to be moulded into any shape you want! Adults you need to do the first part but the children can explore the stuff once it’s made. You Will Need [...]
Hot Ice!
Tweet Hot Ice! Sodium acetate or ‘hot ice’ is an amazing chemical you can prepare yourself from baking soda and vinegar. You can cool a solution of sodium acetate below its melting point and then cause the liquid to crystallize as it does in a hot pack. You will need 1 litre clear vinegar (weak [...]
Make Spooky Glowing Water!
Tweet Make water glow with the help of a black light in this fun experiment. Tonic water doesn’t look very strange under normal light but what happens when you look at it under a black light? Does the dye from a highlighter pen do the same thing? Find out what happens and why it happens [...]
Quick Crystals In A Day
Tweet Growing crystals can take several days, but this super-easy recipe gives you a cup full of needle-like crystals in just a few hours! You Will Need: Epsom Salts (Dispensing Chemists will have this) Food Colouring Beaker, cup, or small bowl Instructions In the beaker, stir 8 tablespoons (approx 115 grams) of Epsom salts with [...]
Cocoa Butter Concoction
Tweet In the production of chocolate, the natural fat in cacao beans (called cocoa butter) is removed, leaving cocoa powder behind. The cocoa butter is then added back into the cocoa to create smooth, creamy chocolate. How important is it to add cocoa butter into the chocolate? What effect does it have on the texture [...]