This PowerPoint presentation with worked examples and student activities covers:
Topic 2.1 of Science Fundementals of the OCR Applied Science Spec.
- Types of mixtures to include solutions, colloids and suspensions
- Difference between colloids and suspensions in terms of particle size
- Uses of common colloids in nature and medicine
- Types of colloids to include aerosols, emulsions, foams, gels and sols
- Significance of colloids in nature and medicine
- Alloys as mixtures of metals
- The character and features of alloys
- Uses of common alloys to include amalgam, solder, bronze, titanium alloy
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Excellent resource, definitely matching spec and includes questions embedded throughout. Thank you
An excellent match to the spec, really useful as teaching this for the first time. Definitely recommend it.
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