Daily Practice · GCSE Science

Daily Practice - GCSE Science

14th February 1998

5 questions · GCSE · 584 questions in this band

1
Chromatography and Instrumental Analysis
State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
2
Chemistry of the Atmosphere
Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
3
The Atmosphere: Evolution and Greenhouse Gases
Describe, in terms of wavelength, the difference between the radiation the Earth receives from the Sun and the radiation it re-emits from its surface.
4
Climate Change and Atmospheric Pollutants
Name two gases that dissolve in atmospheric water droplets to cause acid rain.
5
Physics Equations: Recall, Rearrangement and Application
Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)

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 February 1998, including the monthly compilation PDF.