MATTER
MATTER is made up of one or more substances which, in turn, consist of tiny particles, called atoms.
There are two types of matter:
- PURE SUBSTANCES: they only contain one type of component which can't be separated.
- MIXTURES: they contain two or more pure substances.
SEPARATION OF MIXTURES
We can distinguish four methods:
Evaporation:
Distillation:
Decantation:
Let's watch a video about TYPES OF MIXTURES:
CHANGES OF STATE
CHEMICAL CHANGES
Pay attention to this nice explanation about CHEMICAL CHANGES. You will learn and find lots of examples. But you will need to use all your senses on it, the girl speaks quite fast!
Would you like to watch some amazing chemical reactions?