Physics · May / June 2021 · Paper 62 · Question 4
0625
As printed in the paper
The question as text
A student investigates springs made from different metals. Plan an experiment to investigate the extension of springs made from different metals. The following apparatus is available: boss, clamp and stand metre rule springs made from different metals selection of loads with hangers. You can also use other apparatus and materials that are usually available in a school laboratory. In your plan, you should: • write a list of suitable metals for the springs • draw a diagram of the set up you would use • explain briefly how to carry out the investigation • state the key variables to keep constant • draw a table, or tables, with column headings, to show how to display your readings (you are not required to enter any readings in the table) • explain how you would use the readings to reach a conclusion.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
MP1
apparatus:
diagram: spring attached to a fixed support, (load and metre rule)
MP2
at least three metals listed
MP3
method:
measure / record length of the spring and add load(s) and measure / record new length
OR add load(s) and measure / record the extension
MP4
repeat with other springs of different materials
MP5
key variables:
one from:
original length of spring / diameter of spring / number of turns (of the spring) / diameter of the wire (of the spring) / length of the wire (of the spring)
MP6
table:
table with columns for metal and extension / length
with correct unit(s) (in headings or in the body of the table)
MP7
conclusion:
plot a graph of extension against load (or axes other way around) for each spring (and compare)
OR
compare extensions for a fixed load for each spring
OR
plot a bar chart of extension against metal for a fixed load
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