Watery Lenses

Watery Lenses

Feb 18, 2014 | No Comments

Tweet How to Make a Water Drop Magnifier You Will Need Styrofoam or polystyrene plate Cling Film Tape Scissors Eye dropper (optional) Bowl or container Small objects: blades of grass, flowers, coins, stamps, beetle, ant, fly etc Water   Instructions Cut a hole out of the middle of the plate – about the size of [...]

Heat Transfer

Heat Transfer

Feb 14, 2014 | No Comments

Tweet Another simple thermal energy investigation. An important aspect of thermal energy is Heat Transfer, and older primary school students can begin to understand the concept of insulation and heat transfer as it relates to thermal energy. You will need: A number of different materials, perhaps including… a metal pie plate a fleece-lined sweatshirt an [...]

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, [...]

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 [...]

Cheshire Cat

Cheshire Cat

Dec 12, 2013 | No Comments

Tweet Make a friend disappear, leaving only a smile behind. Under most circumstances, both of your eyes receive fairly similar views of the world around you. You fuse these views into a single three-dimensional picture. This experiment lets you explore what happens when your eyes receive different images. You will need: A handheld mirror, approximately [...]

Bird in the Cage

Bird in the Cage

Nov 21, 2013 | No Comments

Tweet Following on nicely from the Thaumotrope Illusion… You will need: 4 white posterboards or pieces of paper bright red, green and blue coloured paper black marker pen scissors Adult help.   Instructions: Cut the same simple shape, such a bird or a fish, from each of the three coloured papers. Glue each shape on [...]

DNA Detective

DNA Detective

Nov 14, 2013 | No Comments

Tweet See your own DNA You Will Need Water A squirt of washing up liquid 1/2 a tsp of salt 1 tsp of ice cold ethanol methylated spirits or rubbing alcohol (isopropanol) Two cups A clear container with a lid Instructions Dissolve half a teaspoon of salt in half a cup of water. Add a [...]

Thaumatrope Illusion

Thaumatrope Illusion

Nov 12, 2013 | No Comments

Tweet Create a thaumatrope and investigate the phenomenon of persistence of vision. You Will Need Index Cards (4”x6”) Markers Drinking Straw Transparent Tape (Optional) Small Stickers Confetti Buttons Rubber Stamps etc   Instructions Fold the index card in half forming a double 4”x3” surface. Draw two pictures that, if combined, would form one picture. Draw [...]