Daily Practice · GCSE Science

Daily Practice - GCSE Science

3rd June 1998

5 questions · GCSE · 584 questions in this band

1
Ecosystems, Adaptation and Feeding Relationships
State what is meant by the term ecosystem.
2
Biodiversity, Cycles and Human Impact
State one human activity that reduces the amount of land available for other organisms.
3
Chemistry Required Practicals and Data Analysis
Why is a polystyrene cup with a lid used in energy-change experiments?
4
Atomic 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.
5
Using Resources
Explain why potable water is not the same as pure water.

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