Biology

These free kids experiments are simple and can be performed with general household items.
Mouldy Bread Experiment

Mouldy Bread

Demonstrate the factors that promote and prevent the growth of mould on bread. Teach your kids good hygiene practice through this eye-opening experiment.

Straw Heart Monitor

This DIY 'heart rate monitor' will open your eyes to the amazing muscle that keeps you alive and kicking. Suitable for kids aged 5+ with parental supervision. You Need: Drinking straw Lump of putty, plasticine or blu-tac - that's it! What to do: Poke the straw into the putty. Okay, so it looks...
  1. Mouldy Bread

    Mouldy Bread

    The Mouldy Bread Experiment

    Learning Objectives:

    -      Students will develop and/or refine their skills in designing and conducting experiments.

    -      Students will understand the factors that promote and prevent the growth of mold on bread.

     

    Equipment required (per student or pair of students):

    -      2 slices of bread each cut into halves.

    -      4 small ziplock bags

    -      4 sticky labels and pen

    -      Access to water, a fridge and perhaps a toaster (optional)

    Some moldy bread in a sealed bag for demonstration purposes.

    Procedure:

    Show the mouldy bread to the students to prompt a discussion. (You could give it a little backstory, e.g. &lsq

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  2. Straw Heart Monitor

    Straw Heart Monitor

    This DIY 'heart rate monitor' will open your eyes to the amazing muscle that keeps you alive and kicking.

    Suitable for kids aged 5+ with parental supervision.

    You Need:
    • Drinking straw
    • Lump of putty, plasticine or blu-tac - that's it!
    What to do:
    1. Poke the straw into the putty. Okay, so it looks nothing like an expensive ECG monitor but wait till you see what this thing can do!
    2. Lay on your back and find the pulse in your neck. Lay the putty on top of this spot so that the tip of the straw is just above your eye. Now watch what happens... it's a little freaky.

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