GCSE Physics – Solids, liquids and gases

Last updated: 01/06/2020
Edexcel GCSE Science – Combined science higher Particle model GCSE Physics – Solids, liquids and gases

Learning Objectives

-I can recall the arrangement of particles in a solid, a liquid and a gas and can describe the energy changes that happen when a substance changes state
-I can describe the energy in the atoms and molecules as internal energy and can explain that a change in the internal energy will lead to a change in temperature or a change in state
-I can describe the movement of particles in a gas
-I can relate the temperature of the gas to the average kinetic energy of the system
-I can explain how the motion of a gas relates to the pressure in a system

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  1. Current
  2. Review
  3. Answered

  1. What stores energy in a system?

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  2. What energy do particles have due to movement?

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  3. What energy transfer happens when a substance increases in temperature?

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  4. What energy transfer happens when a substance decreases in temperature?

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  5. What are the three states of matter?

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  6. Which state of matter has the strongest forces of attraction between particles?

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  7. Which state of matter has particles with the most kinetic energy?

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  8. Which state of matter has particles with the least kinetic energy?

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  9. Which state of matter has particles with the least potential energy?

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  10. How are particles arranged in a solid?

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  11. How much do particles move in a solid?

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  12. What is the name for a solid turning into a liquid?

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  13. How are particles arranged in a liquid?

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  14. How much do particles move in a liquid?

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  15. How do particles move in a liquid?

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  16. What is the name for a liquid turning into a gas?

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  17. How are particles arranged in a gas?

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  18. If kinetic energies of the particles change, what has happened?

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  19. If potential energies of the particles change, what has happened?

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  20. What does heating cause?

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  21. What happens during heating?

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  22. What energy change happens during melting?

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  23. What energy change happens during freezing?

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  24. What is the thermal energy of a system?

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  25. What is the internal energy of a system?

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