Chemistry

These free kids Chemistry experiments are simple and can be performed with general household items.

Explosive Cream Container

If you thought vinegar and bicarb were only good for making messy, oozy volcanoes, think again! Turn an empty cream container into an exciting, explosive rocket with this classic acid/base reaction.

Gooey Slime

Get Totally Messy With Gooey SLIME! Make simple cornflour slime Suitable for kids aged 4+You just need two main ingredients for this slime - too easy! You Need: CornflourWaterFood ColouringMixing Bowl and Spoon What to do: Tip some cornflour into a mixing bowl.Pour in water, a little at a time,...

Super Cold Bag

The Super Cold Bag Watch a zip lock bag blow up and become super-cold from a chemical reaction. Youll love this one! Suitable for kids aged 4+ You Need: Citric AcidBaking SodaTap WaterZip lock bag (15cm x 10cm)Measuring cupPlastic spoonsTeaspoon Perform this experiment over a kitchen sink. There...

Ice Cream In A Bag

Ice Cream In A Bag Make delicious ice cream in a zip lock bag using just a few simple ingredients. Suitable for kids aged 6+ You Need: 1 tablespoon of sugar cup of milk teaspoon of vanilla essence 6 tablespoons of rock salt (or use regular table salt as a substitute) 2 cups of ice 4 litre zip lock...

Colourful Chemicals

Colourful Chemicals Use cabbage water to change kitchen chemicals different colours. Suitable for kids aged 4+ with parental supervisionCAUTIONThe cabbage water must strictly be prepared by an adult as it involves the use of boiling water. You Need: Small amount of red cabbage Pot of boiling...

Grow Crystals

Grow Crystals Grow your own crystal icicle using baking soda and water in about a week Suitable for kids aged 5+ with parental supervision You Need: Two glass jarsTwo paper clips A length of thick woolen threadBaking sodaShallow dishSpoonVery warm water What to do: Fill two jars with very warm...

Popping Test Tube

Popping Test Tube How many times can you make the stopper pop from the test tube? Suitable for kids aged 7+, with adult supervisionCAUTION The plastic stopper in the test tube is a projectile and must be aimed away from people and faces.The alka seltzer tablet is a medicine. DO NOT EAT. Seek medical...

Lets Get Fizzy

Make fizz and foam using a chemical reaction Compare two baking soda and vinegar chemical reactions (one with detergent, one without), and watch for salt crystal formation. Suitable for kids aged 4+NOTE These reactions can overflow to make a little bit of a wet mess! But that's part of the fun! You...

Fizzy Sherbet Treat

Make a fizzy sherbet treat. So delicious, so easy! Suitable for kids aged 4+ You Need: 1 teasppon of citric acid 1 teaspoon of baking soda 3 tablespoons of icing sugar3 tablespoons of jelly crystals What to do: Mix all the ingredients in a bowl and stir. Too easy. Taste and adjust as needed....

Invisible Ink

Invisible Ink No Secret Agent can go without invisible ink. This is a simple invisible ink recipe using lemons. Suitable for kids aged 5+ (with adult supervision) You Need: Lemon Juice Heat Source: direct sunlight or a light globe. Use an iron, candle or oven as a last resort under strict adult...

Cool Coloured Milk

Cool Coloured Milk Create an explosion of colour in a dish of milk! Suitable for kids aged 3+ with parental supervision You Need: MilkDinner plate Red, yellow, green and blue food colouringDishwashing liquidCotton swab What to do: Pour enough milk onto a plate to cover the bottom. Allow the...

Nappy Bag

Nappy Bag How much water can a disposable nappy soak up? Find out with this experiment, and learn about the amazing world of superabsorbent polymers at the same time! Suitable for kids aged 4+ You Need: Zip lock bagSmall piece of a disposal nappy (cut about a 3x3cm square) Water Food colouring...

Rubber Egg

Rubber Egg Soak a hard-boiled egg in vinegar to transform it into a rubbery egg that can bounce like a ball Suitable for kids aged 4+ with parental supervision You Need: Hard-boiled egg Glass or jar, big enough to hold the egg Vinegar What to do: Place the hard-boiled egg in the glass...

Disappearing Ghost Crystals

Disappearing Ghost Crystals Watch these hard crystals swell and grow into jelly-like pieces with water. Then amaze your friends when they disappear in water, or add some food colouring for cool effects. Welcome to the amazing world of superabsorbent polyemers! Suitable for kids aged 5+ with parental...

Lava Lamp

Make your own hypnotic lava lamp with oil and water and a secret ingredient that makes it fizz and bubble. Suitable for kids aged 5+ with parental supervision. CAUTIONRemember Alka-Seltzer tablets are a medicine, do not ingest. Read the packet instructions for more information. You Need: An empty...

Ink Chromatography

Ink Chromatography Is black really black? Separate out all the colours that make up a black felt pen using a special technique called chromatography. Suitable for kids aged 7+ You Need: Filter or blotting paper (a coffee filter works well) cut into strips (approx. 1.5cm wide and just short...

Gas Candle Detection

Gas Flame Detection Detect Carbon Dioxide gas with a candle flame. Will the flame get smaller, bigger, snuff out, change colour? How the flame behaves tells you the type of invisible gas present. Suitable for kids aged 10+ with parental supervisionCAUTIONThis experiment requires use of an open...

Make A Gelatin Disc

Make A Gelatin Disc Best known for making jelly, gelatin is a fascinating substance that is used as a gelling agent not just in food, but in many other things. Heres how to make your very own gelatin product that can be used in further experiments or in some very cool artwork. Suitable for kids aged...

Chocolate Leaves

Chocolate leaves Make some stunning chocolate leaves as a novel and delicious way to learn about the changing states of matter. Suitable for kids aged 5+ with parental supervisionCAUTIONThis science activity involves the use of boiling water. Hot water must only be handled by an adult. You Need:...

Glowing Water

Glowing Water Make water glow eerily under a black light using the fluorescent dye found in highlighters. Glowing water can create some exciting special effects when used in fountains, or use it to transfer glow to bubbles, ice and slime. Suitable for kids aged 8 + with parental supervisionCAUTIONThis...

Elephant Toothpaste

This COOL chemical reaction spews froth and foam everywhere. Just like a gigantic tube of toothpaste fit for an elephant. Suitable for kids aged 5+ with parental supervision. You Need: An empty soft drink bottle (600mL size works best) cup of 6% hydrogen peroxide solution (purchased from a hairdresser/beauty...

Chip Bag Shrinkies

Chip Bag Shrinkies Shrink your chip bags to less than half their size, then use them as a bookmark or keychain. Polymer chemistry fun! Suitable for kids aged 10+ with parental supervisionCAUTIONThis activity strictly requires supervision by an adult. It involves the use of a hot oven and handling...

Milk Plastic

Milk Plastic Make plastic from milk easily using vinegar. Then mould your milk plastic into fun shapes! Suitable for kids aged 6+ with parental supervisionCAUTIONThis activity involves heating milk in a microwave or on a stove top, and requires adult supervision. You Need: One cup of milk...

Grow Your Own Crystal Snow Flake

Use borax solution to easily grow a delicate crystal snowflake Grow a crystal snowflake as a pretty Christmas decoration... A great hands-on chemistry project for the festive season. Suitable for kids aged 4+ You Need: A Wide Mouth JarPipe Cleaner (white, silver or blue are good choices)Borax...

Magnetic Slime

Get Totally Messy With Gooey, Magnetic SLIME! Why make simple slime when you can make super gooey and magnetic slime?? Suitable for kids aged 5+You just need three main ingredients for this slime - too easy! You Need: PVA Glue (Elmers glue works best) Liquid starch (Borax Solution...

Waterproof Sand

Play with magic sand that never gets wet! Why play with ordinary sand when you can make hydrophobic sand that is literally scared of water? Suitable for kids aged 5+Two ingredients = Too easy! You Need: Regular or coloured sand Waterproofing Spray (eg. Scotchgard or other fabric protector)Baking...

Make your own Bath bomb

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 colouringSweet Almond oil (use different...
  1. Explosive Cream Container

    Explosive Cream Container

    If you thought vinegar and bicarb were only good for making messy, oozy volcanoes, think again! Turn an empty cream container into an exciting, explosive rocket with this classic acid/base reaction.

    Suitable for ages 13 +, best used as a demonstration because of the speed and danger of the projectile

    You Need:

    • ¼ cup of vinegar
    • 600ml empty, clean cream container
    • 1 tablespoon of bicarb powder

    What to do:

    1. Add approximately ¼ cup of vinegar (acid) to a 600ml empty, clean cream container.
    2. Then, add one heaped tablespoon of bicarb (base).
    3. Quickly push the cream lid on, and point the container a
    Read more »
  2. Rubber Egg

    Rubber Egg

    Rubber Egg

    Soak a hard-boiled egg in vinegar to transform it into a rubbery egg that can bounce like a ball

    Suitable for kids aged 4+ with parental supervision

    You Need:
    • Hard-boiled egg
    • Glass or jar, big enough to hold the egg
    • Vinegar
    What to do:
    1. Place the hard-boiled egg in the glass or jar.
    2. Pour enough vinegar into the jar to completely cover the egg. Look closely, what do you see? Can you see some tiny bubbles start to form on the shell? Why?
    3. When the shell has completely dissolved, after about 3 days or so, remove the egg from the jar and gently rinse it with tap water
    Read more »
  3. Disappearing Ghost Crystals

    Disappearing Ghost Crystals

    Disappearing Ghost Crystals

    Watch these hard crystals swell and grow into jelly-like pieces with water. Then amaze your friends when they disappear in water, or add some food colouring for cool effects. Welcome to the amazing world of superabsorbent polyemers!

    Suitable for kids aged 5+ with parental supervision.

    CAUTION
    Ghost crystals are generally considered non-toxic and are safe for use around young children unless ingested. If ghost crystals are swallowed do not give liquids. Seek medical advice.

    You Need:
    • Water absorbing crystals (available from your local nursery or garden supply centre)
    • Transparent cup, beaker or glass
    • Water
    • Food colouring
    Read more »
  4. Lava Lamp

    Lava Lamp

    Make your own hypnotic lava lamp with oil and water and a secret ingredient that makes it fizz and bubble.

    Suitable for kids aged 5+ with parental supervision.

    CAUTION
    Remember Alka-Seltzer tablets are a medicine, do not ingest. Read the packet instructions for more information.

    You Need:
    • An empty soft drink bottle with cap, or clear jar/container with a lid
    • Vegetable oil
    • Alka-Seltzer tablets (from the supermarket)
    • Food colouring
    • Water
    What to do:
    1. Fill the bottle (or container) about full with vegetable oil.
    2. Carefully fill the rest of the bottle/container with water (nearly
    Read more »
  5. Ink Chromatography

    Ink Chromatography

    Ink Chromatography Is black really black?

    Separate out all the colours that make up a black felt pen using a special technique called chromatography.

    Suitable for kids aged 7+

    You Need:
    • Filter or blotting paper (a coffee filter works well) cut into strips (approx. 1.5cm wide and just short of the length of the cup)
    • Transparent glass or plastic cup
    • Icy pole stick
    • 2 x black felt pens
    • Water
    What to do:
    1. Take a pen and draw a horizontal line near the bottom of two strips of filter paper. Use a different pen for each strip. You can test more than two pens on other strips if
    Read more »
  6. Gas Candle Detection

    Gas Candle Detection

    Gas Flame Detection

    Detect Carbon Dioxide gas with a candle flame. Will the flame get smaller, bigger, snuff out, change colour? How the flame behaves tells you the type of invisible gas present.

    Suitable for kids aged 10+ with parental supervision

    CAUTIONThis experiment requires use of an open candle flame. Please exercise caution, and only perform under adult supervision. It also requires the use of a knife to cut a candle. This task should only be undertaken by an adult.
    You Need:
    • 2-3cm candle piece with wick (have an adult cut the piece using a knife from an ordinary household candle)
    • Aluminium foil patty pan
    • Piece of wire about 40cm in length
    • Chop Stick o
    Read more »
  7. Make A Gelatin Disc

    Make A Gelatin Disc

    Make A Gelatin Disc

    Best known for making jelly, gelatin is a fascinating substance that is used as a gelling agent not just in food, but in many other things. Heres how to make your very own gelatin product that can be used in further experiments or in some very cool artwork.

    Suitable for kids aged 5 +

    CAUTION This experiment requires the use of a small amount of hot water. This should be handled with care under the supervision of an adult.
    You Need:
    • Small round mould (the underside of a jar lid works well)
    • 3 x teaspoons of gelatin
    • Cup or glass
    • Spoon or icy pole stick
    • Food dye
    • 40mls of hot water
    Read more »
  8. Chocolate Leaves

    Chocolate Leaves

    Chocolate leaves

    Make some stunning chocolate leaves as a novel and delicious way to learn about the changing states of matter.

    Suitable for kids aged 5+ with parental supervision

    CAUTIONThis science activity involves the use of boiling water. Hot water must only be handled by an adult.
    You Need:
    • Metal or heat resistant bowl
    • Saucepan
    • Wooden spoon or similar
    • Chocolate
    • Large non-poisonous leaves (rose, ivy, mample or lemon leaves work well)
    • Boiling water
    • Clean paintbrush
    What to do:
    1. Wash the leaves and dry them gently, careful not to
    Read more »
  9. Glowing Water

    Glowing Water

    Glowing Water

    Make water glow eerily under a black light using the fluorescent dye found in highlighters. Glowing water can create some exciting special effects when used in fountains, or use it to transfer glow to bubbles, ice and slime.

    Suitable for kids aged 8 + with parental supervision

    CAUTIONThis science activity involves the use of a sharp knife to cut open a highlighter pen and the ink-soaked felt inside the highlighter. This must only be done by an adult.
    You Need:
    • Yellow highlighter felt pen
    • UV light, or black light
    • Gloves
    • Clear glass or container
    • Water
    What to do:
    Read more »
  10. Elephant Toothpaste

    Elephant Toothpaste

    This COOL chemical reaction spews froth and foam everywhere. Just like a gigantic tube of toothpaste fit for an elephant.

    Suitable for kids aged 5+ with parental supervision.

    You Need:
    • An empty soft drink bottle (600mL size works best)
    • cup of 6% hydrogen peroxide solution (purchased from a hairdresser/beauty supply store or chemist)
    • Squirt of dishwashing liquid
    • 4 drops of food colouring
    • 1 teaspoon of dry bakers yeast dissolved in approximately 2 tablespoons of warm/hot water
    • Funnel
    • Safety goggles
    • Lab smock (optional)
    • Tray or foil cake tin to contain mess (optional)
    NOTEThe best part of
    Read more »
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