Melting points and boiling points

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• 7 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. The three states of matter
2. Particles in a solid
3. Particles in a liquid
4. Particles in a gas
5. The kinetic theory of matter
6. Diffusion in liquids
7. Diffusion in gases
8. What heating does to particles
9. Melting and freezing
10. Boiling and condensing
11. Evaporation and sublimation
12. Drawing a heating curve
13. Reading the flat sections
14. Melting points and boiling points
15. Finding a melting point
16. Impurities and melting point
17. Impurities and boiling point
18. Using the impurity effects
19. What a physical change is
20. What a chemical change is
21. Telling the two apart
22. Changes of state in daily life