Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th April 1998

5 questions · GCSE · 584 questions in this band

1
Biodiversity, Cycles and Human Impact
A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.
2
Chemistry Required Practicals and Data Analysis
Name one way to make a rate of reaction experiment more valid rather than simply more precise.
3
Atomic Structure and the Periodic Table
State the relative charge of a neutron.
4
Using Resources
State one benefit of recycling metal rather than extracting new metal from its ore.
5
Using the Earth's Resources and Potable Water
Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.

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 April 1998, including the monthly compilation PDF.