Free Experiments

  1. Homemade Spectrometer

    Homemade Spectrometer

    Homemade Spectrometer

    Turns out theres a lot more to white light than meets the eye. Here's a simple spectrometer you can build yourself, using just a spare CD, an empty cereal box and a pair of scissors.

    Suitable for kids aged 11 +
    You Need:
    • Cereal box
    • Compact Disk
    • Utility knife/Scissor
    • Protractor
    What to do:
    1. Cut a 1" slit on the side of the cereal box just below the nutrition information.
    2. Cut a slit
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  2. Split Light To Make A Rainbow

    Split Light To Make A Rainbow

    Split light without a prism

    Want to make a rainbow but dont have a prism? Heres a simple way to make one anytime the sun is shining. Youll be beaming from ear-to-ear.

    Suitable for kids aged 5 +
    You Need:
    • Shallow dish
    • White wall (or large piece of white paper/card)
    • Small mirror
    • Water
    • Sunlight (the stronger the better)
    What to do:
    1. Pour some water into the shallow dish.
    2. Place the small mirror in the water and prop it at an angle against the side of the dish.
    3. Put the dish near a sunny window and position the mirror so that sunlight bounces
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  3. Wax Photometer

    Wax Photometer

    Wax Photometer

    Make your own translucent photometer out of paraffin wax that can read light and colour.

    Suitable for kids aged 6+ with parental supervision

    CAUTIONIf you are unable to source your own paraffin wax blocks you will need to make your own. Wax blocks must strictly be prepared by an adult as they involve melting wax and pouring the hot wax into a mould.
    You Need:
    • Two small paraffin wax blocks (approx. 8 x 5 x 2cm). If you cant source your own from a supermarket or candle supply centre then you will have to make your own. Instructions in the What to do section.
    • Aluminium foil
    • Scissors
    • Masking tape
    • Torch (optional)
    • Sheets of coloured
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  4. Water Drop Magnifier

    Water Drop Magnifier

    Water Drop Magnifier

    Its so simple to make your own mini magnifying glass. Heres how.

    Suitable for kids aged 4+

    You Need:
    • Small square of fairly-rigid transparent plastic (You can cut-up a clear acetate sheet, or a transparency available from art and craft stores and/or office supply stores. A piece of plastic from a shirt box or the like would also work)
    • Half a straw
    • Stapler
    • Drop of water
    • Eye dropper bottle or pipette (optional)
    What to do:
    1. Staple the straw to the edge of
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  5. Make Your Own Fossils

    Make Your Own Fossils

    Make Your Own Fossils

    Fossils are the remains, impressions or traces of ancient animals or plants, which have been preserved in the earths crust for thousands of years. For a bit of fun, why not make your own fossils of treasures you find at the beach or in your garden? Its easy to make lasting fossil impressions either using pre-prepared clay or Plaster of Paris from the shop, or by making your own authentic-looking dough.

    Suitable for kids aged 5+

    You Need:
    • 1/2 cup of flour
    • 1/2 cup of used coffee grounds
    • 1/4 cup of salt
    • cup of sand
    • Water
    • Mixing bowl and spoon
    • Fossil Objects
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  6. Grow Bacteria On Homemade Agar Plates

    Grow Bacteria On Homemade Agar Plates

    Grow Bacteria On Homemade Agar Plates

    Make your own agar Petri dishes and grow bacterial colonies. Youll be amazed at the diversity of bacteria around us all the time.

    Suitable for kids aged 8+ with parental supervision

    CAUTIONThis science activity involves the use of boiling water. Hot water must only be handled by an adult.
    You Need:
    • teaspoon of beef stock powder
    • cup of water
    • 1 teaspoon of sugar
    • 1 teaspoon of gelatin
    • Saucepan for boiling mixture
    • 2 x Petri dishes
    • Spoon
    • Sticky tape
    • Felt-tip pen to label petri dishes
    • Cotton swab (optional)
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  7. Mini Worm Farm

    Mini Worm Farm

    Mini Worm Farm

    Make a mini worm farm from things around the house

    Suitable for kids aged 4+

    You Need:
    • Empty 2-litre plastic bottle with lid, or 1-litre milk carton , or similar (transparent containers are best to view your worms)
    • Soil or potting mix
    • Food scraps (vegetables, lettuce, fruit etc.)
    • Newspaper ripped into small squares and wet
    • Hay, dead leaves or grass clippings
    • Sand (optional)
    • 10 to 15 worms
    What to do:
    1. Punch with a hammer and nail four small holes in the bottom of your container
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  8. Yeast Balloon

    Yeast Balloon

    Blow up a balloon with a chemical reaction

    Have some yeast friends blow-up a balloon for you!

    Suitable for kids aged 5+ with parental supervision

    You Need:
    • 1 packet of dry yeast
    • 1 cup of warm water (almost hot)
    • tablespoon of sugar
    • 1 balloon
    • A small empty juice or water bottle
    What to do:
    1. Mix the yeast, sugar and warm water together by stirring gently.
    2. Once the sugar has dissolved (after a minute or so) pour the mixture into the bottle. You may notice the mixture may have already started to bubble as the yeast produce carbon dioxide.
    3. Stretch the mouth of the balloon
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  9. Conductive Play-Dough

    Conductive Play-Dough

    Replace wires with play dough and circuit building becomes a snack for tiny learners. Watch them figure it all out and you'll see their little faces light up! up

    Suitable for kids aged 5+ with the help of an adult

    For Conductive Play-Dough You Will Need:
    • 1 cup Water
    • 1 1/2 cups Flour
    • 1/4 cup Salt
    • 3 Tbsp. Cream of Tartar (or 9 tablespoons of lemon juice)
    • 1 Tbsp. Vegetable Oil
    • Food Coloring (optional)



    For Circuit You Will Need:
    • battery pack
    • batteries
    • light emitting diodes/LEDS
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  10. Bending Water

    Bending Water

    An easy and fun way to learn about static electricity!

    Suitable for kids aged 5+

    You Need:
    • A nylon (plastic) comb
    • A narrow stream of water from a tap
    • A head of clean, dry hair

    What to do:
    1. Turn on the tap and slowly turn down the water until you have a VERY thin stream of water flowing.
    2. Take the plastic comb and brush it through your hair at least ten times.
    3. Now slowly bring the comb close the the running water, (without actually touching the water) If all goes well, the stream
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