Bring chemistry into the bathroom. Make bath time fun!
Make your own bath bomb from household ingredients and marvel over the fizzy, colourful chemistry happening around you.Suitable for kids aged 6+You Need:
- Food colouring
- Sweet Almond oil (use different oil if allergic to nuts)
- 10 tablespoons of bicarbonate soda
- 3 tablespoons of citric acid
- 2 large mixing bowls
- 1 large muffin tray
- 1 small glass jar
- Rubber gloves
- Scented oil, glitter or flower petals
Tornado In A Bottle
Tame the destructive force of a tornado by creating a mini one in a bottle. It's fun and easy!Suitable for kids aged 4+You Need:
What to do:
- Empty plastic bottle with lid. Any size, 500ml works well
- Two drops of liquid detergent (clear detergent works best)
- Teaspoon of glitter (optional)
- Food colouring (optional)
- Almost fill the plastic bottle with cold tap water.
- Add the liquid detergent.
- Add glitter to the bottle.
- Screw on the cap tightly.
- Hold the bottle by the neck and turn it upside down.
Erupting Volcano Project
Use things from around the home to construct a volcano and make it erupt using a chemical reaction.Suitable for kids aged 5+, with adult supervisionYou Need (for structure):
You Need (for eruption):
- What you need for this project will depend on how you choose to make the volcano structure. If you are in a hurry you can use moist soil or sand outside, or you can spend longer making a paper mache or foil structure. Each of these methods are descibed below.
What to do (volcano structure):Moist sand or dirt volcano This is the quickest way to make your
- Plastic cup, container or bottle
- Baking Soda
- Red dye
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 kids aged 8+ with parental supervisionYou Need:
- Garbage Bag
- Duct Tape (or a plastic packing strip)
- Hair Dryer
Use a sugar cube to explore how rain changes our landscapeSuitable for kids aged 4+You Need:
What to do:
- Sugar cube
- Eyedropper or pipette
- Small plastic lid (or saucer) to sit the sugar cube on
- Practice using the eyedropper by sucking-up some cold tap water from a glass (or other container), then gently squeezing the water back into the glass one drop at a time. Dont squeeze too hard or the water will come squirting out as one stream. You need to be able to master raining one drop at a time to continue with
Cause a tsunami by erupting a canister full of bubbling gas underwaterSuitable for kids aged 10+ with parental supervisionCAUTIONThe canister lid comes off with a lot of force, stand back and be careful to stay right out of its way.You Need:
What to do:
- Empty film canister with tight fitting lid or something similar
- Alka-Seltzer tablet (available from the supermarket)
- Tub or bucket (preferably transparent)
- Mould enough plasticine around the bottom of the film canister to give it the appearance of a volcano and enough weight to keep it down in the tub of water.
Spinning Earth And Ocean Marble
Can you keep your ocean-marble on the spinning cardboard-earth for three whole rotations!? A fun way to model the spinning earth and learn about how spin effects weather.Suitable for kids aged 6+ with parental supervision.
Young children will need an adult to help make the model earth, it requires cutting thick cardboard and measuring. No assistance should be needed for the actual spinning of the cardboard earth.You Need:
- Large piece of thick cardboard
- Push pin
- 60cm ruler
An easy and fun way to learn about convection currents!Suitable for kids aged 7+You Need:
What to do:Remember - always ask an adult for help with matches and don't do this experiment near any flammable materials.
- Teabag with a string and label
- Non-flammable plate
- Scissors Lighter or match
- Lighter or match
- Remove the staple, label and string from the teabag.
- Pour the tea into a bin.
- Unfold the teabag.
- Turn the teabag into a cylinder - make
Balancing Act Science Magic
Do the impossible balance a can on its bottom rim and amaze your friendsSuitable for kids aged 6+You Need:
What to do:
- Two empty 375ml cans
- 100mls of water approx
- Pour about 100mls of water secretly into one can.
- Have someone try to balance the other empty can on its bottom rim (see picture). It is impossible.
- Then amaze them, by easily balancing your magic can on its bottom rim (they dont need to know it has water in it).
Why is it so?This science trick is
Make an age-old toy: The Cartesian Diver. It floats in a bottle filled with water, but when you squeeze the bottle, the diver mysteriously plunges to the bottom.Suitable for kids aged 5+ with parental supervision.You Need:
What to do:
- An empty soft drink bottle with cap (any size, your diver will dive further in a bigger bottle)
- A third of a straw
- Paper clip
- Small chunk of modelling clay
- Glass or cup to test your diver in
- Fill the bottle with water.