Lesson 4 Vocabulary

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Across
  1. 1. energy energy associated with moving objects.
  2. 4. point The temperature at which a liquid turns into a gas.
  3. 7. A temperature scale with the melting point of ice at 32 degrees and the boiling point of water at 212 degrees.
  4. 9. of matter solids, liquids, and gases are 3 phases
  5. 10. point the temperature at which a solid turns into a liquid.
  6. 11. the process by which a liquid turns into a gas at its boiling point.
  7. 12. A temperature scale with the lowest possible temperature at the zero point, which is called absolute zero.
  8. 13. change the change of matter from one state to another, such as a solid, liquid, or gas.
  9. 15. the process by which a solid turns directly into a gas, skipping the liquid phase.
  10. 16. point the temperature at which a gas turns into a liquid.
  11. 17. of conservation of matter in a closed system, matter is not created or destroyed during a chemical reaction or physical change.
  12. 18. A temperature scale with the melting point of ice at 0 degrees and the boiling point of water at 100 degrees.
Down
  1. 2. the process by which a gas turns into a liquid.
  2. 3. the phase change in which a solid turns into a liquid.
  3. 5. the change in a state in which a liquid turns into a solid.
  4. 6. energy a form of kinetic energy associated with molecules in motion.
  5. 7. point the temperature at which a liquid turns into a solid.
  6. 8. when a liquid changes form into a gas; the process of becoming a vapor.
  7. 14. to change from a liquid to a gas at or below the boiling point.