MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Earn 100

A metalworker finds a block of silvery metal, weighs it and measures its volume.
Here are their results:
Mass of block = 0.270 kg
Volume of block = 14.0 cm3
Calculate the density of the block.
Suggest what metal this might be.

Important Questions on Making Measurements

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Describe how you could find the density of the metal object in the given figure. In your answer include the equipment you would use, how you would use the equipment and what you would do with the data you collect.


Question Image

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Describe how your pulse changes if you take some gentle exercise, for example, by walking briskly, or by walking up and down stairs. Comment on whether you agree with Galileo that a pendulum is a better time-measuring instrument than your pulse.