7g What A Waste Flashcards
1
Q
What are the three states of matter
A
Solid , liquid , gas
2
Q
Solid particles description
A
Strong bonds between particles Fixed position Keep a definite shape and volume Can’t be compressed Usually dense
3
Q
Liquid particle description
A
Close but free to move past each other Fill shape of container Keep the same volume Won’t compress Quite dense
4
Q
Gas particle description
A
Weak force of attraction Far apart and quick to move in all directions Don’t have fixed shape or volume Compressed easily Low density
5
Q
What is diffusion and in what states of matter does it occur
A
The spreading of particles w8thout anything moving them
Gases quickly
Liquids slowly
6
Q
Pressure is caused by
A
Pressure is caused by particles bumping into each other and hitting the sides of the container
7
Q
What is a vacuum
A
A space where there is no particles at all
8
Q
Why are gas cylinders stored out of sunlight
A
Because if you make the hotter the particles get the faster they move and the harder they hit the sides of the container .
