Natural /artificial and pure substances Flashcards
science study
1
Q
What is the definition of pure substance ?
A
Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure.
2
Q
Example of natural materials
A
rocks stones silk cotton jute sand copper gold iron silver plant fibre ect.
3
Q
examples of artificial materials
A
nylon concrete polyester steel plastic polythene
4
Q
pros of artificial material
A
They are easy to make and affordable.
5
Q
cons of artificial material
A
they pollute the environment and are bad for our health.
6
Q
pros of natural material
A
They have no chemicals ans are eco friendly.
7
Q
cons of natural materials
A
they are hard to extract and are very expensive.
8
Q
name five differences of natural and artificial materials.
A
