UNIT ONE: PROPERTIES OF MATTER (SOLIDS, LIQUIDS, & GASES)

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Across
  1. 2. A state of matter with a definite shape and volume. Particles are tightly packed together and cannot move freely.
  2. 3. A small piece of matter, such as an atom or molecule.
  3. 7. The smallest unit of matter that retains the properties of a particular element.
  4. 8. The outline or form of an object.
  5. 9. The amount of space occupied by an object.
  6. 10. Anything that has mass and takes up space.
  7. 12. A group of two or more atoms held together by chemical bonds.
  8. 13. The process by which a solid changes into a liquid.
  9. 15. Energy ; The energy of motion. Particles in matter have kinetic energy.
Down
  1. 1. A state of matter with a definite volume but no definite shape. Particles are close together but can move past each other.
  2. 3. Change; The transition of matter from one state to another, such as from solid to liquid or liquid to gas.
  3. 4. The process by which a liquid changes into a gas at a temperature below its boiling point.
  4. 5. The arrangement or organization of parts.
  5. 6. A state of matter with no definite shape or volume. Particles are far apart and move freely.
  6. 11. The process by which a liquid changes into a solid.
  7. 14. A pure substance made up of only one type of atom.