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Home Science tricks
Turn your kitchen into an exciting science laboratory for kids with these simple tricks.
All you need is a few kitchen ingredients, glass jars, plastic bottles, food colouring, a balloon and some willing helpers.
Egg Submarine
- Take a cup of water and mix half a cup of table salt into it
- Pour the salty mixture into a glass jug
- Now carefully add another cup of water to the jug. Take it easy because you do not want to mix the two layers
- When the contents of the jug are still carefully drop in an egg
- The egg will magically float in the middle of the jug, just like a submarine!
Magic Flowers
- Fill a cup with water
- Add 5-10 drops of food colouring to the water
- Place five white carnation flower stems into the cup
- Leave overnight and see what happens to the flowers.
Fog Machine
- Fill a jug or empty jam jar with hot water
- Pour out most of the hot water but leave an inch or so in the bottom
- Put a sieve over the mouth of the jug and place a few ice cubes into the sieve
- When the rising heat from the water hits the ice cubes it creates a very spooky fog effect.
Tornado-time
- Fill a glass bowl with water
- Stir the water very fast until a whirlpool forms in the middle
- Drip food colouring into the whirlpool
- Watch as the colouring forms into a tornado shape in the bowl
Homemade Lava Lamp
- Fill a clear glass bottle ¾ full with vegetable oil
- Stir a few drops of food colouring into a cup of water
- Add the coloured water to the glass bottle and screw the lid on tight
- Watch how the coloured water moves through the oil as you move the bottle around – just like a real lava lamp!
Balloon Pump
- Wrap a tablespoonful of baking soda in a 4-inch square piece of kitchen towel
- Pour 25 ml of vinegar into a plastic bottle – such as a soft drink bottle
- Drop the baking soda wrapper into the bottle
- Quickly fit a balloon to the neck of the bottle
- Watch as the balloon inflates
- The baking soda and vinegar reaction creates a gas which inflates the balloon
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