Density worksheet marking scheme

- Mark Scheme /


Question Answer Marks AO Element Notes Guidance

1(a) (1100 – 400 =) 700 (g) 1

1(b) density = mass ÷ volume OR 3
ρ = m ÷ V in any form (1)
(ρ =) 700 ÷ 750 (1)
3
(ρ =) 0.93 (g / cm ) (1)

2 measuring cylinder partially filled 4
with water (1)
coil submerged in water (owtte)
(1)
new volume noted (1)
volume of wire = difference or
increase in volume(s) (1)

3(a) (678 – 318 = ) 360 (g) 1

3
3(b)(i) 160 (cm ) 1

3
3(b)(ii) 400 (cm ) 1

3(b)(iii) D = m / v in any form (1) 3
360 ÷ 400 (1)
3
0.9 (g / cm ) (1)