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Test what affects the growth of microbes in milk
By BookStore on October 7, 20152The 'microbes' inside the milk need oxygen to survive and they use up the oxygen over a period of...
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Compare the rate of bacterial growth in dog versus human saliva
By BookStore on October 7, 2015Dogs give you joy. They give you loyalty, and often they give you sloppy kisses. Of course, there is...
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Make a Von Frey device to test where your body are most touch sensitive
By BookStore on October 7, 2015Did you know that your skin is your largest organ? Your skin protects your inside organs while keeping infections...
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Make a Snellen chart to test your friends’ eyesight
By BookStore on October 7, 2015An optometrist is a doctor concerned with your eyes as well as your vision. A 'Snellen' eye chart is...
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Test your friends ability to judge the direction of sounds
By BookStore on October 7, 2015Humans have 'stereoscopic vision', meaning that we can judge the direction and distance of an object because each of...
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See how much air can your lungs hold
By BookStore on October 7, 2015An adult's lungs can hold about 5 litres of air when fully breathing in – How much air do...
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Learn how muscle contraction causes bones to move
By BookStore on October 7, 2015The human body has over 650 muscles and makes up 40% of the body's weight. Our muscles help us...
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Fool your eyes with these optical illusions
By BookStore on October 7, 2015Optical illusions can also often cause us to perceive objects bigger, smaller or more bent out of shape than...
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Study which factors affect a person’s sense of balance
By BookStore on October 7, 2015Human beings can vary quite significantly from each other. Our size, shape, eye colour, hair colour and even our...
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Make your own device for listening to your heart
By BookStore on October 7, 2015Ever notice how you breathe faster and you heart beats faster when you run around or do any exercise?...