Density

Question 1

Solid

Answer 1

Close together
Regular pattern
Vibrate but do not move place to place

Question 2

Liquid

Answer 2

Close together
Not regular pattern
Move around each other

Question 3

Gas

Answer 3

Spread out
No pattern
Range of speeds different directions

Question 4

Definition density

Answer 4

Mass for a given volume

Question 5

Eq: Mass

Answer 5

Kg

Question 6

Steps practical

Answer 6

Regular
Measure dimensions with ruler
L x W x H = volume
Mass balance for mass
Irregular 
Fill eureka can with water
Place measuring cylinder under spout 
Lower object in water 
The water displaced is the volume

Question 7

What error when reading measuring cylinder

Answer 7

Parallax error (random error)
Eye would not be in the same position each time