Chapter 2 Vocabulary

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Across
  1. 3. The hotness or coldness of a substance, stated in degrees.
  2. 5. A rigid state of matter composed of particles in a fixed arrangement.
  3. 8. The change of state from a solid directly to a gas without becoming a liquid first. Opposite of deposition.
  4. 9. A fluid state of matter in which particles are so far apart and move so fast that they have almost no attraction for each other.
  5. 12. that which occupies space
  6. 13. The ability an object has to do work. This exists in many forms, and most can be converted from one kind to another.
  7. 14. The smallest neutral particle identified as a chemical element.
  8. 15. A pure substance made of only one kind of atom.
  9. 18. A measure of the amount of matter an object contains.
  10. 21. A change resulting from the joining or breaking of bonds between atoms to form pure substances different from the original substance.
  11. 22. A change occurring in the nucleus of an atom when it emits or absorbs rays or particles, or when the nucleus splits(fission) or joins with another(fusion).
  12. 23. A pure substance composed of two or more elements chemically combined.
  13. 24. The change of state from a liquid to a gas at the liquid's boiling point.
  14. 27. The change of state from a liquid to a gas below the boiling point of the liquid. Opposite of condensation.
  15. 30. The change of state from a solid to a liquid by warming. Opposite of freezing.
  16. 32. Matter and energy cannot be created or destroyed.
  17. 33. The change of state from a gas directly to a solid without becoming a liquid first.
Down
  1. 1. The physical form of matter described by its rigidity or fluidity, its ability to hold its shape, and how definite its volume is.
  2. 2. The change of state from a liquid to a solid by cooling. Opposite of melting.
  3. 4. A change in matter that does not alter the chemical identity.
  4. 6. Two or more substances mixed together but not chemically combined.
  5. 7. The amount of space a sample of matter occupies.
  6. 10. Material made of just one kind of element or compound. A mixture cannot be a pure substance.
  7. 11. A charged atom or group of atoms. Has an imbalance of protons and electrons.
  8. 16. The change of state from a gas to a liquid by cooling. Opposite of Vaporization.
  9. 17. A push or pull on an object.
  10. 19. Distinct particles composed of two or more atoms bonded together. Both elements and compounds can be composed of molecules.
  11. 20. Any change of state from a liquid to a gas. When the liquid is below its boiling point, it is called evaporation. When this occurs at the liquid's boiling point, it is called boiling.
  12. 25. The force of attraction between any two objects originating in the matter they contain.
  13. 26. A fluid state of matter in which particles are close together but can move freely about.
  14. 28. A fluid state of matter made of extremely high-temperature ionized particles.
  15. 29. The force of gravitational attraction for an object's mass.
  16. 31. Done when a force acts on a moving object in the same or opposite direction of its motion.