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 [...]

Scientific Slushy!

Scientific Slushy!

Nov 28, 2013 | No Comments

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 [...]

What A Pickle!

What A Pickle!

Nov 26, 2013 | No Comments

Tweet Turn a gherkin into a battery! You will need: a gherkin (aka dill pickle) a pencil aluminium foil (unused) a small knife (eg penknife) 2 alligator-clip leads a piezo buzzer 12V (small 12V buzzer) Try Maplins or a similar supplier   Instructions 1. Fold a sheet of foil several times to make a thick [...]

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 [...]

Saltwater Circuit

Saltwater Circuit

Oct 8, 2013 | No Comments

Tweet Did you know that you can use salt water to make a light bulb shine? It sounds crazy, but it’s true! This is because salt water is a good conductor of electricity. You will need: a cup or beaker masking tape water insulated copper wire salt 9-volt battery aluminum foil 3.7-volt light bulb in [...]

How Does Acid Keep Apples Fresh?

How Does Acid Keep Apples Fresh?

Oct 3, 2013 | No Comments

Tweet Apples and pears are great for snacks or to have as a side dish for dinner. But keeping them looking white and delicious after they have been sliced can be tricky. Try this experiment to see how chemistry can keep your apples and pears fresh even after they have been sliced. You will need: [...]

‘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 [...]