Density and flotation – exam questions

Density and
flotation –
exam questions
2011 - Ordinary
Calculate the volume of
the stone from the
information shown.
Volume of stone
If the mass of the stone
was 40 g, calculate the
density of the stone.
100 cm3
90 cm3
80 cm3
70 cm3
60 cm3
50 cm3
40 cm3
30 cm3
20 cm3
10 cm3
2010 - Higher
Why do icebergs float on water?
2009 - Higher
Name the items labelled A and
B.
The potato had mass 175 g and
volume 125 cm3. Calculate the
density of the potato. Give the
units of density with your answer.
Why did the potato sink in the
water?
2009 - Ordinary
The mass of a metal block is
14.7g. It has a volume of 7 cm3.
Name the instrument you would
use in the laboratory to find the
mass of the block.
2.1
102.9
Cm3
g/cm3
Write the letter D beside the
value of the density of the block.
Write the letter U beside the unit
used to measure the density.
2008 - Ordinary
 Density
= _______________
MASS
VOLUME
If the mass of a stone is 20 g and the volume of the
stone is 10 cm3, find the density of the stone.
2007 - Higher
Ice floats on water but ice sinks in ethanol
(an alcohol).
Use this information to compare the density
of ice with
The density of water and the density of
ethanol.
2007 - Ordinary
The mass of the metal block
is 21 g.
Write the letter V beside the
value of the volume of the
block.
Write the letter D beside the
value of the density of the
block.
2 cm
1 cm
5 cm
8 cm3
10 cm3
2.1 g cm-3
210 g cm-3