Year 9 - Matter Flashcards
1
Q
Why do people float in the sea?
A
People can float in the sea because the density of saltwater is denser that that of a human. Breathing in air can make you less dense.
2
Q
How do you find density?
A
Density = Mass divided by Volume
3
Q
Explain Solids…
A
In solids, the particles vibrate but do not move. they do not flow because the particles are stuck together and fixed in a certain position due to the forces from neighbouring particles of which the energy it to weak to overcome.
4
Q
Explain Liquids…
A
…..
5
Q
Explain Gasses…
A
In gasses,
