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Science Review

Science Review. The state of matter that has no definite shape or volume. gas. Changing from a gas to a liquid. condensation. The changing of a liquid to a gas. evaporation. The state of matter with a definite shape and volume. solid. Anything that has mass and occupies space. matter.

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Science Review

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  1. Science Review

  2. The state of matter that has no definite shape or volume. • gas

  3. Changing from a gas to a liquid • condensation

  4. The changing of a liquid to a gas • evaporation

  5. The state of matter with a definite shape and volume • solid

  6. Anything that has mass and occupies space • matter

  7. The state of matter with a definite volume but no definite shape • liquid

  8. Particles are held rigidly in place • Solid

  9. Takes the shape of the container • Liquid • Gas

  10. Has a definite shape • solid

  11. Particles are touching • Solid, liquid

  12. Particles slide over one another • liquid

  13. Particles are far apart • gas

  14. The freezing point of a substance is the same as its ….. • melting

  15. Evaporation changes a …. • Liquid to a gas

  16. Boiling water involves the same change of state as…. • evaporation

  17. How does heat affect the state of a substance?

  18. Increasing the heat - Increases the motion of particles, which cause them to move further apart, causing the change in state

  19. Decreasing the heat reverses the process

  20. How does pressure change the state of a substance?

  21. Increasing the pressure – forces the particles closer together

  22. Decreasing has the reverse effect

  23. In the 3 states, which particles are the closest? • Solid

  24. Which are the furthest apart? • gas

  25. In which state do the particles move the slowest? • solid

  26. The fastest? • gas

  27. How do you change a solid to a liquid? • heating

  28. Liquid to a solid? • freeze

  29. Liquid to a gas • Heating until it evaporates

  30. Gas to a liquid? • Cooling it until it condenses

  31. How is dew formed • Water condenses in the cool of the night

  32. At room temperature what is the state of the following items?

  33. oxygen • gas

  34. iron • solid

  35. water • liquid

  36. sugar • solid

  37. helium • gas

  38. tissues • solid

  39. THE END

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