Strong nuclear force project – Chemistry
You can't see an atom, so you can't see how its protons clump together to make the nucleus. But you can see a similar effect when the force of magnetism (a kind [...]
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06, 2017
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06, 2017
Sodium explosions – Science project – Chemistry
Sodium exploding on contact with water You really shouldn't experiment with sodium at home, because it blows up. When sodium touches water, it mixes with the water so that two [...]
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06, 2017
Silica and sand castles – Science projects – Chemistry
Sand castle by the ocean If you want to see some real silica, go to the beach or to a playground with a sandbox. Beach sand (which is also what [...]
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06, 2017
Oxygen and candles – Science project – Chemistry
Candles burn carbon using oxygen You can do experiments to show that you need oxygen for a fire to burn. Light a candle, and when it is burning well, put [...]
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06, 2017
Plant food – a nitrogen project – Chemistry
A jug of nitrogen fertilizer It's pretty easy to see just how much a plant needs nitrogen to grow. Just take any two plants (they could be small house plants, [...]
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06, 2017
Lead fishing weights – Science project
Lead weights used for fishing How heavy is lead? See for yourself how heavy lead weights are. Go to a sports store and get some small lead fishing weights (make sure [...]
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06, 2017
Ice floats – Chemistry project
Ice floats: A glass of ice water A project with ice To see that ice takes up more room than water does, stick a piece of tape to a glass [...]
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06, 2017
Ice and salt – Chemistry project
A group of glasses of water Take five glasses of water. Leave one plain water, add one tablespoon of salt to the second glass, two tablespoons of salt to the [...]
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06, 2017
Helium balloon projects – Chemistry
You can see that helium is lighter than air by getting a helium balloon. When you let go of it, it goes up, because the helium is lighter than the nitrogen and [...]
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06, 2017
Friction and food coloring – Heat project
Children playing a running game: a heat project Friction makes things hot You can easily make things hotter than they were before. Start by rubbing your hands together, and you'll [...]
