Wintry Science

Wintry Science

Feb 27, 2014 | No Comments

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 [...]

Ketchup Volcano!

Ketchup Volcano!

Feb 25, 2014 | No Comments

Tweet Ketchup Volcano! ( A longer-lasting volcano with ‘Natural Orange-Red Nontoxic Lava’ !) The acetic acid in ketchup reacts with baking soda to produce an extra-special type of lava for a chemical volcano. This non-toxic volcano recipe is sure to please! You will need: Small container (we used an empty travel-size bottle.) Volcano (You can [...]

Honeycomb Candy

Honeycomb Candy

Jan 30, 2014 | No Comments

Tweet This is an easy-to-make kitchen science confection that has an interesting texture caused by carbon dioxide bubbles getting trapped within the honeycomb. Ingredients 150 gms sugar 2 tablespoons honey 2 tablespoons water 1-1/2 teaspoons baking soda Greaseproof paper Oil, butter or non-stick cooking spray Instructions Coat a sheet of greaseproof paper using oil, butter, [...]

Frozen Rock

Frozen Rock

Jan 21, 2014 | No Comments

Tweet Do this experiment to see what kinds of rocks break down the most when frozen, thawed and frozen again. You will need: Several different kinds of rocks, such as granite, sandstone, or limestone Plastic bottle or container Water Freezer …and several hours – this is a long format experiment.   Instructions Look at each [...]

Experimenting With Naked Eggs or: Naked Eggs Part Two

Experimenting With Naked Eggs or: Naked Eggs Part Two

Dec 26, 2013 | No Comments

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 [...]

Naked Eggs (Part One)

Naked Eggs (Part One)

Dec 24, 2013 | No Comments

Tweet A naked egg is an egg without a shell. Using vinegar, you can dissolve the eggshell—without breaking the membrane that contains the egg. You will need: a few eggs white vinegar a container big enough to hold all your eggs and a cover for the container a big spoon   Instructions: Here’s how you [...]

Mutant Marshmallows

Mutant Marshmallows

Dec 17, 2013 | No Comments

Tweet In the microwave, an ordinary marshmallow will puff up until it’s enormous! You Will Need: marshmallows paper plates or paper towels microwave oven toothpicks (if you want) food colouring (if you want)…and adult supervision. Instructions Put two marshmallows on a paper plate or paper towel. Put the plate in the microwave. Set the timer [...]

Sudsy Lemon Science

Sudsy Lemon Science

Dec 5, 2013 | No Comments

Tweet Here’s a fun activity with a dash of ‘science magic’ that children can perform with your help, using basic materials found in the kitchen. You will need: Empty plastic cups Fresh lemons, sliced into quarters 1 teaspoon baking soda 2 teaspoons washing up liquid Measuring spoon Plastic spoon or straw for stirring Wet and [...]

Rainbow in a Jar

Rainbow in a Jar

Dec 3, 2013 | No Comments

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 [...]

Sharpie Tie Dye

Sharpie Tie Dye

Nov 19, 2013 | No Comments

Tweet Let’s do some tie dye…except you don’t have to tie anything! Normal tie dye can be messy and time-consuming. You can get a really cool effect using coloured Sharpie pens on a t-shirt. This is a fun project that even young children can try. You’ll get wearable art and may learn something about diffusion [...]