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 [...]

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 [...]

Suspended Bottle

Suspended Bottle

Jan 14, 2014 | No Comments

Tweet This is another of those experiments that look like magic – but are really science of course. You will need: Coke bottle or any other plastic screw top bottle Uncooked Rice A pencil or chopstick or any other straight rod   Instructions 1. Fill the bottle with uncooked rice. 2. Plunge the pencil straight [...]

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 [...]

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 [...]

Spooky Lava Lamps

Spooky Lava Lamps

Nov 5, 2013 | No Comments

Tweet Lava lamps are easy to make, but really impressive for children to watch. You will need: A clear plastic bottle or jar A bottle of vegetable oil Water Alka Seltzer Food colouring (a spooky colour!) Instructions Fill the bottle or jar a quarter full with water. Top up to the (near) top with the [...]

Hot Air Balloon

Hot Air Balloon

Oct 24, 2013 | No Comments

Tweet Make your own hot air balloon. There is something very cool about things that fly – this homemade hot air balloon is no exception. Suitable for children aged 8+ with adult supervision You Will Need: Plastic refuse bag Hair dryer Duck / Gaffa tape (or a plastic packing strip) Safety note: This experiment should [...]

Make a Duck Caller

Make a Duck Caller

Oct 17, 2013 | No Comments

Tweet Imitate the sounds of nature with a simple straw and some vibrating ingenuity. Your kids will be amazed by the sounds they can produce by doing this easy kids’ science experiment. Best for older kids, above 7 probably, as the cutting needs to be done carefully and the technique of making the noise may [...]

Travelling Nutrients

Travelling Nutrients

Oct 1, 2013 | No Comments

Tweet Water is often called the Universal Solvent because it can dissolve more substances than any other liquid, often carrying these dissolved particles with it. When water travels through soil, nutrients (food) and dissolved particles travel with the water to be deposited somewhere else. Here is an experiment to visually demonstrate how this process happens. [...]

‘Fudging’ The Science!

‘Fudging’ The Science!

Sep 26, 2013 | No Comments

Tweet Following on from Fire Rocks! a tasty way to explore some fascinating earth science for older children – especially if they are interested in crystal formation. They can help with the cookery too! If you can, obtain some igneous rock samples. With the children, examine with a magnifying lens, and sort the rocks into [...]