Grade 7 Science

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Across
  1. 3. stores food and water
  2. 6. speed up chemical reactions in living things
  3. 7. fats, oils and waxes
  4. 8. let's things in and out of the organism
  5. 10. transport that requires energy across a cell
  6. 12. allows particles to leave a cell
  7. 15. captures energy from the sunlight and changes it into energy cells can use for food
  8. 16. A group of similar cells that work to perform a specific function
  9. 17. produce proteins
  10. 19. two or more elements combine chemically
  11. 20. A material passed from parent to offspring
Down
  1. 1. some substances can cross the membrane while others can't
  2. 2. Energy rich compounds
  3. 4. Single celled organisms
  4. 5. transport that requires no energy
  5. 9. converts energy stored in food to energy a cell can use
  6. 11. gel like substance that fills the region between cell membrain and nucleus
  7. 13. A type of diffusion
  8. 14. distributes newly formed materials and disrupts them
  9. 18. different tissues that function together