Daily Practice
GCSE Science
← All tiers
14th February 1993
- 1Biodiversity, Cycles and Human Impact
State one method used to try to maintain biodiversity.
- 2Chemistry Required Practicals and Data Analysis
Give the resolution of a burette that can be read to the nearest half of a small division.
- 3Atomic Structure and the Periodic Table
An atom has atomic number 9 and mass number 19. Calculate the number of neutrons.
- 4Using Resources
Name two methods of desalinating seawater.
- 5Using the Earth's Resources and Potable Water
Classify crude oil as finite or renewable, and justify your answer.
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.
Recent GCSE Science sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1993, including the monthly compilation PDF.