Science

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Involving the entire earth (6)
  2. 4. A group of organisms sharing a specific genetic constitution (8)
  3. 6. A coloring material that turns red in acid solutions and blue in alkaline solutions (6)
  4. 9. The vast area beyond Earth's atmosphere (5)
  5. 10. How fast something moves (5)
  6. 12. An increase in rate of change (12)
  7. 13. What an organism looks like as a consequence of the interaction of its genotype and the environment (9)
  8. 15. A long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like (3)

Down

  1. 2. What lets us see; the opposite of dark (5)
  2. 3. The difference in electrical charge between two points in a circuit expressed in volts (9)
  3. 5. A region of space resulting from the collapse of a star (9)
  4. 7. Study of the natural world through experiments (7)
  5. 8. The maximum displacement of a periodic wave (9)
  6. 11. The number of occurrences within a given time period (9)
  7. 13. A stable particle with positive charge equal to the negative charge of an electron (6)
  8. 14. The planet we live on (5)