1. © NTScience.co.uk 2005KS3 Unit 7g - Particles1 Particles

2. © NTScience.co.uk 2005KS3 Unit 7g - Particles2 Q1. What is the smallest particle of a substance called?

3. © NTScience.co.uk 2005KS3 Unit 7g - Particles3 A1. Atom

4. © NTScience.co.uk 2005KS3 Unit 7g - Particles4 Q2. What is a group of chemically combined atoms called?

5. © NTScience.co.uk 2005KS3 Unit 7g - Particles5 A2. Molecule

6. © NTScience.co.uk 2005KS3 Unit 7g - Particles6 Q3. What do you call an empty volume of space?

7. © NTScience.co.uk 2005KS3 Unit 7g - Particles7 A3. Vacuum

8. © NTScience.co.uk 2005KS3 Unit 7g - Particles8 Q4. What is the form of energy due to molecular motion called?

9. © NTScience.co.uk 2005KS3 Unit 7g - Particles9 A4. Heat

10. © NTScience.co.uk 2005KS3 Unit 7g - Particles10 Q5. What do you call the change of state from solid to liquid?

11. © NTScience.co.uk 2005KS3 Unit 7g - Particles11 A5. Melting

12. © NTScience.co.uk 2005KS3 Unit 7g - Particles12 Q6. What do you call the change of state from liquid to gas?

13. © NTScience.co.uk 2005KS3 Unit 7g - Particles13 A6. Boiling

14. © NTScience.co.uk 2005KS3 Unit 7g - Particles14 Q7. What do you call the change of state from gas to liquid?

15. © NTScience.co.uk 2005KS3 Unit 7g - Particles15 A7. Condensation Condense

16. © NTScience.co.uk 2005KS3 Unit 7g - Particles16 Q8. What do you call the change of state from liquid to solid?

17. © NTScience.co.uk 2005KS3 Unit 7g - Particles17 A8. Freezing Freeze

18. © NTScience.co.uk 2005KS3 Unit 7g - Particles18 Q9. Why does the water level in a glass near a warm radiator go down?

19. © NTScience.co.uk 2005KS3 Unit 7g - Particles19 A9. Evaporation Evaporate

20. © NTScience.co.uk 2005KS3 Unit 7g - Particles20 Q10. What do you call the movement of one substance through another substance?

21. © NTScience.co.uk 2005KS3 Unit 7g - Particles21 A10. Diffusion

22. © NTScience.co.uk 2005KS3 Unit 7g - Particles22 Q11. What is the measure of how hot or cold a substance called?

23. © NTScience.co.uk 2005KS3 Unit 7g - Particles23 A11. Temperature

24. © NTScience.co.uk 2005KS3 Unit 7g - Particles24 Q12. What is force divided by area called?

25. © NTScience.co.uk 2005KS3 Unit 7g - Particles25 A12. Pressure

26. © NTScience.co.uk 2005KS3 Unit 7g - Particles26 Well Done! Now check your score