Exam Review

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