How do fireworks work?
Did you know that fireworks are chemical reactions? Yet they are! The central ingredients in fireworks are ignition --> fuel (contains...
Why a cooked egg is different from a raw egg.
The egg contains protein, the heat changes the structure of the protein parties and the egg goes to colourless to white. It also not...
What is the reaction between iron and oxygen which is called rusting.
When Iron and oxygen mix it makes rusting happen. Anything made of steel (which is mainly iron) can rust is not covered, mainly when it’s...
What happens to the fuel when a rocket takes off.
When a rocket takes off liquid oxygen and liquid hydrogen mix (than ignited) it makes a water molecule. As that happens heaps of energy...
Describe the chemical reaction that happens in:
When you light a match, there is a quick set of chemical reactions that occurs. In a match head there is animal glue, sulphur and...
What Happens in an Explosion?
In an Explosion, solids and/or liquids combine with each other to create VERY hot gas. This Gas pushes whatever is next to it away from...
What are the Signs that a Chemical Reaction has Occurred?
Do you you know the sings of Chemical reactions? The four main sings are: Change in Color Gas is produced Change in Temperature Change in...
What is an Atom and a Molecule?
Do you really know what atoms and molecules are? What is an Atom? The atom is the basic building block for all matter in the universe....
Bibliography
Year 9 Science Text book A Material world series: Chemical reactions - click view video http://www.texascity-library.org/disaster/grandca...