Exam Review

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Across
  1. 2. Which is more acidic a pH of two or six?
  2. 5. Elements in a row on the periodic table follow a pattern.
  3. 9. Animal cells do not have a _____ ________.
  4. 10. The average temperature from 1995 to 2015 was 20 degrees is a statement about _____.
  5. 11. multiple trials are performed in an experiment
  6. 15. "Today it will be 90 degrees and sunny" is a statement about ________
  7. 16. what do groups of cells form?
  8. 17. A motor spinning is an example of ______ energy.
  9. 19. Each square of the Periodic Table represents an _______.
  10. 20. When one scientists duplicates another scientists work.
  11. 22. a liquid with a pH less than 7
Down
  1. 1. Elements in the same _______ have similar chemical properties.
  2. 3. Scientific Theories can change
  3. 4. What type of change is ice melting?
  4. 6. Elements that are shiny and can be bent.
  5. 7. Elements on the Periodic Table are arranged by ________ number.
  6. 8. Energy that comes out of a battery.
  7. 12. Which is more basic a pH of eleven or thirteen.
  8. 13. A liquid with a pH greater than 7
  9. 14. Elements that are found al0ng the zigzag line.
  10. 18. Form of energy stored inside a battery.
  11. 21. Elements, compounds and mixtures are all made of _____.