Edexcel IGCSE Physics Precise Observations and Measurements Questions

Practise Edexcel IGCSE Physics precise observations and measurements by reading instruments, choosing apparatus and presenting measured data clearly.

Exam points

Describe how to measure a height or angle accurately using suitable apparatus and alignment.
Read an analogue scale or meter carefully and give the recorded value.
Draw a results table with the measured quantity, appliance or object, and correct unit heading.

[Maximum number: 2]

A student uses a watt-meter to measure the power of electrically-operated appliances.

Figure for Question Edexcel IGCSE Physics Precise Observations and Measurements Questions question 1 — Edexcel IGCSE Physics

The student measures the mean power output (in watts) for six different appliances.

Diagram 1 shows their results.

Diagram 1

Draw a results table for the student's results.

results table constructed with appliance column and power column;
power column heading to include correct unit;
allow alternative
orientation with two rows
condone power in $1^{\text {st }}$
column
ignore names given to non-
power heading
reject if units given with
raw data

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Edexcel IGCSE Physics Precise Observations and Measurements Questions question 1