Different kinds of rocks
Granite rock There are three different kinds of rocks on Earth, and they form in very different ways. The first kind is igneous rock, which means "fire rocks". Igneous rocks [...]
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06, 2017
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06, 2017
Metal project – Chemistry Activity
Bending a nail You can do an experiment to see that metal bends easily. Just take an iron nail and hit it with a hammer and if you don't hit it [...]
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06, 2017
What are hydrocarbons? Simple chemistry
A model of a methane molecule - the simplest of hydrocarbons A kind of molecule Hydrocarbons are molecules. They are made out of hydrogen atoms and carbon atoms. Methane is [...]
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06, 2017
Carbon dioxide project with Dry Ice – Chemistry
Frozen carbon dioxide (dry ice) - for your carbon dioxide project How can you see carbon dioxide? Normally you can't see carbon dioxide because it is an invisible gas. But [...]
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06, 2017
Carbon, candles, and cars – Chemistry project
Candles burn carbon A project with a candle and a spoon You can see the relationship between carbon, oxygen, and hydrogen easily at home or at school. You'll need a [...]
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06, 2017
What is carbon dioxide? Molecules and Chemistry
Tobacco plants growing put carbon dioxide molecules back into the air - like all plants What is carbon dioxide made of? Carbon dioxide is one of the simplest and commonest [...]
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06, 2017
What is carbon? Atoms – Chemistry
Diagram of a carbon atom Where does carbon come from? When a star has changed all of the hydrogen atoms into helium, it begins to convert the helium atoms into [...]
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05, 2017
Eggs – Evolution and Biology
Fish eggs: Egg evolution starts with soft eggs like these When did the first eggs evolve? The earliest living creatures made babies by dividing themselves in half, so that one [...]
