Science crossword puzzle

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Across
  1. 2. to examine in detail for a purpose
  2. 3. a set of related documents about a particular topic
  3. 4. to move somewhere safe
  4. 5. something we observe to be similar over and over again
  5. 8. moving toward the same place
Down
  1. 1. most successful, considering the situation
  2. 2. a claim supported by evidence
  3. 3. moving apart in different directions
  4. 6. a sudden shaking of Earth's surface
  5. 7. standards by which something may be judged