EOY Assessment Vocab - Science 8

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Across
  1. 2. any difference between individuals of the same species
  2. 5. this type of change involves altering the form or appearance of a substance without changing it into a different substance
  3. 8. producing more offspring than can possibly survive
  4. 12. the smallest particle that can still be considered an element
  5. 13. negatively charged particles that move around outside of the nucleus
  6. 14. this type of change involves the production of one or more new substances
  7. 16. the one or two letter abbreviation for an element's name
  8. 17. horizontal rows on the periodic table
Down
  1. 1. vertical columns on the periodic table
  2. 3. a trait that increases an organism's ability to survive and reproduce
  3. 4. the process of change over time
  4. 6. a solid that forms from liquids during a chemical reaction
  5. 7. the small dense region in the center
  6. 9. the process by which individuals who are better adapted to their environment being more likely to survive and reproduce
  7. 10. a positively charged particle found in the nucleus
  8. 11. the number of protons in the nucleus of an atom
  9. 15. a pure substance that cannot be broken down into any other substance
  10. 18. a group of similar organisms that can mate and produce fertile offspring