Daily Practice

GCSE Science

17th August 1990

5 questions · GCSE · 584 questions in this band

1
Physics Equations: Recall, Rearrangement and Application
Convert 3.5 kJ into joules.
2
Physics Required Practicals and Uncertainties
Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
3
Energy
A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
4
Energy Stores, Transfers and Calculations
Name four energy stores.
5
Efficiency, Power and Energy Resources
Why can no device be 100 percent efficient?

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1990, including the monthly compilation PDF.