Crossword Review - macros and experimenting

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Across
  1. 3. Type of metamorphis that involved going from the egg stage to the nymph stage to the adult stage.
  2. 5. Test the hypothesis
  3. 7. Analyze Results and Draw Conclusions
  4. 8. Relatively “large” (> 0.2 – 0.5 mm) insects without backbones that live in water.
  5. 9. Shallow areas in a stream, where water is fast flowing, and stream bed is rocky.
  6. 10. Area of a stream with moderate current, continues surface and greater depth than riffles.
  7. 11. Make observations
  8. 13. Perform research
  9. 15. the type of metamorphis that includes the hatching egg, larva stage, pupa stage and then development adult form.
  10. 17. Outside variables that you can manage to keep constant or controlled during an experiment. These variables cannot be changed. E.g. - The weather in an outdoor experiment.
  11. 18. How aquatic macros develop into adults through complete or incomplete metamorphis.
  12. 19. Establish a hypothesis
Down
  1. 1. Small areas of still water, usually deep and muddy bottomed.
  2. 2. It is the main source of energy for a stream system, and provides food and shelter for macroinvertibrates and creatures in the habitat.
  3. 4. Elements that are constant and unchanged throughout the experiment(consistent through all groups)
  4. 6. variable that is being measured or tested (the results)
  5. 7. number of steps in the scientific method
  6. 12. variable being changed/manipulated in an experiment.
  7. 14. Ask a question
  8. 16. Factors of an experiment that can change or be changed.