Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
16th September 2026
- 1Ecosystems, Adaptation and Feeding Relationships
State what is meant by the term ecosystem.
- 2Biodiversity, Cycles and Human Impact
State one human activity that reduces the amount of land available for other organisms.
- 3Chemistry Required Practicals and Data Analysis
Why is a polystyrene cup with a lid used in energy-change experiments?
- 4Atomic Structure and the Periodic Table
A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
- 5Using Resources
Explain why potable water is not the same as pure water.
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