End-of-Year Review

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Across
  1. 4. This sphere includes all living things on Earth.
  2. 6. This type of rock is formed through melting and cooling.
  3. 12. A contact force that acts in the opposite direction of the motion of the object.
  4. 13. This type of cell is unicellular and does not have a nucleus.
  5. 15. This type of tide occurs when the Sun, Earth , and Moon are at a 90° angle.
  6. 16. This type of tide occurs when the Earth, Sun, and Moon are aligned in a straight line.
  7. 18. This type of cell has a nucleus and membrane-bound organelles.
  8. 19. A roller coaster at the top of a hill has the greatest amount of this type of energy.
  9. 20. The thickest layer of Earth.
  10. 21. This type of rock is formed through heat and pressure.
  11. 22. A group of organisms of one type that live in the same area.
Down
  1. 1. The thinnest layer of Earth.
  2. 2. The energy an object has due to motion.
  3. 3. An element that has some properties of metals and some properties of nonmetals.
  4. 5. An organism that must consume other organisms in order to obtain energy.
  5. 7. In this type of mixture substances are not uniformly distributed (not the same all over).
  6. 8. This type of rock is formed through compaction and cementation.
  7. 9. A symbiotic relationship where both organisms benefit.
  8. 10. This state of matter has an indefinite shape and a definite volume.
  9. 11. The Law of Conservation of Energy states that energy cannot be created or ____________.
  10. 14. This type of change creates a new substance with different properties.
  11. 16. A homogeneous mixture that forms when a substance dissolves into another substance.
  12. 17. This state of matter has an indefinite shape and indefinite volume.