Chemical Reactions Crossword

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Across
  1. 4. a feature that forms on the surface of a planet
  2. 5. moving apart in different directions
  3. 6. hot liquid rock below the surface of Earth
  4. 8. any of Earth's main continuous areas of land, such as Africa, Asia, and North America
Down
  1. 1. one of the very large sections of hard, solid rock that make up Earth’s outer layer
  2. 2. a sudden shaking of Earth's surface
  3. 3. moving toward the same place
  4. 6. the layer of soft, solid rock underneath Earth's plates
  5. 7. evidence of life from the past, such as fossilized bones, footprints, or leaf prints