Density

Question 1

What is density?

Answer 1

how closely packed the particles are in a solid, liquid or gas

Question 2

Describe the properties of a solid

Answer 2

tightly packed particles, regular structure

Question 3

Describe the properties of a liquid

Answer 3

tightly packed particles, free to move past each other

Question 4

Describe the properties of a gas

Answer 4

spread out particles, move randomly

Question 5

Fill the gaps :

there is a _____ difference between the density of a ______ and its corresponding _____ (eg. _____ and ___)
because there are _______ ______ _________ in both states

Answer 5

there is a small difference between the density of a solid and its corresponding solid (eg. water and ice)
because there are tightly packed particles in both substances

Question 6

Density depends on the….

because particles can be…

Answer 6

density depends on the material

because particles can be more tightly packed in different materials

Question 7

How do you calculate the density?

Answer 7

density(kg/m3) = mass(kg) / volume(m3)

Question 8

How do you convert g/cm3 to kg/m3?

Answer 8

divide by 1000

Question 9

How do you convert kg/m3 to g/cm3?

Answer 9

multiply by 1000

Question 10

How do you calculate the density of an irregular object?

Answer 10

Use a eureka/displacement can