What is mercury? Atoms, elements, chemistry
Diagram of a mercury atom. Thanks to Open Door for this image Along with gold, lead, and uranium, mercury is one of the heavier kinds of atoms. Every atom of [...]
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06, 2017
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06, 2017
Lead atoms – Elements and chemistry
A lump of lead, containing billions of lead atoms Where does lead come from? As with all of the other heavier elements, all of the lead in the universe came [...]
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06, 2017
What is iron? Atoms, elements, chemistry
Diagram of an iron atom When a red giant star finishes changing all of its helium into carbon and oxygen, it then starts to turn the carbon and oxygen atoms into iron atoms. Iron [...]
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06, 2017
What is an ionic bond? Simple science – Chemistry
Ionic bond examples: Diagram of a molecule of salt, which uses an ionic bond What is an ionic bond? When atoms get close together, sometimes they form ionic bonds that [...]
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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
What is helium? Atoms, elements, and chemistry
Diagram of a helium atom Helium is a very simple atom. Helium is a simple atom. The nucleus of a helium atom has two protons and two neutrons. Around the nucleus, [...]
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06, 2017
What is heat? Simple science – Chemistry
What is heat? A big campfire throws some serious heat Definition of heat When molecules of any kind of atoms get more energy in them than they had before, they [...]
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06, 2017
What are electrons? An electron is a sub-atomic particle
What are electrons? Lithium, cobalt, and oxygen atoms (as in a lithium-ion battery), seen under an electron microscope from Berkeley Labs What is an electron? An electron is a tiny [...]
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06, 2017
Dominoes – Uranium chain reaction – Chemisty
You can't really do an experiment using uranium, because it is radioactive and if you experimented with uranium it would make you sick or kill you. So to see how a chain [...]
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06, 2017
Tin cans – Chemistry projects – Science
Steel soup can To see how tin keeps a steel can from rusting, get an empty can. A can from canned green beans or canned peaches or something like that would [...]
