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 [...]

Sponge Rock

Sponge Rock

Jan 22, 2014 | No Comments

Tweet This experiment will show you how a piece of chalk can absorb a great deal of water in a short time. You will need: A piece of chalk Cup of water A Spring Balance or Newton Meter (either way it needs to show grams)   Instructions 1. Weigh the chalk with the spring balance [...]

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 [...]

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 [...]

Racing Lolly Sticks

Racing Lolly Sticks

Nov 7, 2013 | No Comments

Tweet How do you make a lolly stick race across water? Would you believe me if I told you all you needed was a drop of washing up liquid? You will need: Water and a large container – we used our water table, but you could even do it in the bath. Washing up liquid [...]

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 [...]