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 [...]
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 [...]
Copper-bottomed cooking pot: a science project Why do pots have copper bottoms? Because heat and electricity are closely related, copper is also a good conductor of heat. This is why [...]
Swimming pool To find out what chlorine smells like, just go to the swimming pool. The funny smell of swimming pools is the smell of chlorine. (Actually, the chlorine doesn't [...]
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 [...]
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 [...]
Need chalk? Buy chalk Chalk has calcium in it Take a piece of regular white chalk, like for writing on a blackboard. Make sure the chalk is calcium carbonate like [...]
A simple project with aluminum You can see for yourself how aluminum is different from steel by comparing an empty aluminum can (a soda can) to an empty steel can (most canned [...]
Covalent bonds: two hydrogen molecules bonding to an oxygen molecule Covalent bonds stick atoms together When two atoms come near each other, sometimes they stick together to make a molecule. One [...]
Diagram of a copper atom What is copper? Copper is a kind of atom that has only one electron in the outermost ring. What's an electron? What are atoms? A [...]
Diagram of a chlorine atom What is a chlorine atom? Chlorine is an atom that has 17 protons and usually either 18 or 20 neutrons in its nucleus and 17 electrons [...]