Vocab Sheet # 1

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Across
  1. 2. one or more ideas that explain how or why something happens
  2. 5. a decimal system of weights and measures based on the meter and the kilogram and the second
  3. 8. a large quantity or number
  4. 9. the speed and direction of an object
  5. 10. the process or action of moving
Down
  1. 1. a proposal intended to explain certain facts or observations
  2. 3. a method of investigation involving observation and theory to test scientific hypothesis
  3. 4. the process of watching someone or something carefully, in order to find something out
  4. 6. the rate at which someone or something moves
  5. 7. a unit for measuring force