Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Using the Earth's Resources and Potable Water
Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 2Life Cycle Assessment, Recycling and Corrosion
Give one reason a manufacturer's own life cycle assessment of its product might not be fully objective.
- 3Atomic Structure and the History of the Atom
What did the alpha scattering experiment show that the plum pudding model could not explain?
- 4The Periodic Table: Groups and Trends
Why do elements in the same group have similar chemical properties?
- 5Bonding, Structure and Properties of Matter
Name the three types of strong chemical bonding.
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