Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
13th August 2019
- 1Biodiversity, Cycles and Human Impact
Explain why large-scale deforestation increases the concentration of carbon dioxide in the atmosphere.
- 2Chemistry Required Practicals and Data Analysis
In the rate experiment where a cross disappears, why is the result subjective?
- 3Atomic Structure and the Periodic Table
Explain, in terms of electrons, why reactivity decreases going down Group 7.
- 4Using Resources
Name the four stages usually considered in a life cycle assessment of a product.
- 5Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.
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