unit 1

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Across
  1. 3. is the set of stages that any activity must follow to determine the laws that govern the phenomena
  2. 5. is defined as a set of knowledge about the world through observation, experimentation and reasoning
  3. 6. is the third step of the scientific method
Down
  1. 1. study phenomenas or changes that involves a change in the nature of matter.
  2. 2. study phenomenas or changes that don't involve a change in the nature of matter.
  3. 4. is the first step of the scientific method