第一单元

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Across
  1. 3. living thing needs it to live
  2. 4. let useless thing out of the body
  3. 5. a part of the microscope that makes it steady
  4. 6. a part of the microscope, stable the slide
  5. 7. a guess of the result of the experiment
  6. 9. the thing you observe with a microscope
Down
  1. 1. reflects light
  2. 2. a tool you use to see small things that you can't see with your eyes
  3. 5. a subject that studies about living things
  4. 8. feeling