Physical Science in Action

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Across
  1. 2. - measured relationship between the pressure and volume of air.
  2. 3. - extensive tabulation of the elements
  3. 5. - atoms with the same atomic number but different mass numbers
  4. 6. - emission of particles and electromagnetic radiation
  5. 8. - occurs when nuclei are bombarded with neutrons, protons, or other nuclei
  6. 9. - center of the atom
Down
  1. 1. - neutral subatomic particles
  2. 2. bang - a progression in the development of the universe from a radiation-dominated stage to a matter-dominated universe
  3. 4. - negatively charged subatomic particles
  4. 7. - positively charged particles