Hardness and how we test it

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• 9 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. How materials behave when you push them
2. Hooke's law, stress and strain
3. Elastic and plastic behaviour
4. Investigating Hooke's law
5. Stress, strain and Young's modulus
6. Strength of materials
7. Hardness and how we test it
8. Brittleness and ductility
9. Toughness and impact
10. Choosing materials in Kenya