Inertia is the resistance to a change in motion – whether already moving or standing still. Here are some simple and fun examples!
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Three Types of Magnetism
Here are three types of magnetism that are easily demonstrated. Two are very weak and easily overlooked, but they become apparent under the right conditions.
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The Shape of Soap Bubbles
Why are soap bubbles spherical, and what does it take to create a different shape?
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What Is Soap?
Soap molecules get along with everyone. One end likes water and the other likes oils and grease. So the soap brings the two together. Make a little soap to see how this works!
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Will It Float?
Why will diet pop float and regular won’t? And how can a microwave help us understand the mystical floating ability of Ivory® soap?
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Making Silk and Nylon
Silk has been a valuable fibre for over 5000 years. Nylon was developed as the modern synthetic substitute. It’s remarkably easy to create fibres of both!
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The Amazing Flowing/Non-flowing Fluid!
Cornstarch and water combine to make a marvellous substance that looks like runny goo until you apply pressure to it, at which point it turns stiff like bread dough. It’s a non-Newtonian vicsoelastic fluid!
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Simple DNA Extraction
Using simple materials and tools, extract visible strands of DNA from fruit cells.