Science

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Across
  1. 3. a clear gel-like fluid
  2. 6. the process by which molecules move from an area of higher concentration to an area of lower concentration
  3. 9. make their own food
  4. 10. an instrument that makes small objects look larger
  5. 12. a sac-like organelle that stores water, food, or other materials needed by the cell
  6. 18. smallest unit of a living thing
  7. 21. convert energy stored in food to energy the cell can use to live and function
  8. 23. thin flexible barrier that surrounds a cell and controls which substances pass into and out of a cell
  9. 25. make proteins for the cell. Most float around in the cytoplasm
  10. 26. live in wetlands and soak up extra water after heavy rainfall or hurricanes
  11. 27. cell membrane takes particles in by changing shape and engulfing them
  12. 28. large oval organelle that contains the cell’s genetic material in the form of DNA and controls many of the cell’s activities
Down
  1. 1. break down large food particles into smaller one
  2. 2. receives proteins and other materials from the er, packages them and distributes them to other parts of the cell
  3. 4. two separate structures that are close together
  4. 5. the green pigment found in chloroplasts
  5. 7. obtain food from eating other organisms
  6. 8. require no energy
  7. 11. permeable some substances can cross the membrane, while others cannot
  8. 13. the diffusion of water molecules across a selectively permeable membrane
  9. 14. rigid supporting layer that surrounds the cells of plants and some other organisms
  10. 15. widely accepted explanation of the relationship between cells and living things
  11. 16. allows large particles to leave the cell
  12. 17. organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food
  13. 19. tiny cell structure that carries out a specific function within the cell
  14. 20. the process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide and water
  15. 22. requires the cell to use energy
  16. 24. a maze of passageways that processes substances including proteins and lipids