The Cell

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Across
  1. 3. Very small organisms - consist of 1 cell only
  2. 5. Brown in colour. Used to stain nucleus of plant cells
  3. 8. Gives structure and shape to the cell
  4. 9. More powerful. Found in research labs
  5. 12. Organisms made of lots of cells
  6. 16. Releases energy from food
  7. 17. Blue in colour. Used to stain nucleus of animal cells
  8. 19. bacteria
Down
  1. 1. Control centre of the cell
  2. 2. Placed over specimen on slide at an angle of 45° to avoid air bubbles
  3. 4. Light passes through the specimen being observed. Found in school labs
  4. 6. Semi-permeable - allows some substances to pass in and out
  5. 7. wheel To focus the specimen roughly
  6. 10. Contain a green pigment chlorophyll which plants use to make food during photosynthesis
  7. 11. Adjusts the amount of light coming through the slide on the stage
  8. 13. Watery fluid
  9. 14. Used a microscope to be the first to observe cells
  10. 15. wheel To fine-tune the image of the specimen
  11. 18. humans, trees