UNIT 2

1234567891011121314151617181920
Across
  1. 5. sphere of earth, all the gases surrounding earth
  2. 9. process of using light energy to make glucose
  3. 10. second step of aerobic respiration
  4. 11. describes a situation in which oxygen is present
  5. 12. substances at the beginning of a chemical reaction
  6. 13. sphere of earth, all living things on earth
  7. 15. adenosine triphosphate
  8. 17. first step of aerobic respiration
  9. 19. pigment in chloroplast
  10. 20. substances created during a chemical reaction
Down
  1. 1. second step of photosynthesis
  2. 2. first step of photosynthesis
  3. 3. process of breaking down glucose to make ATP
  4. 4. sphere of earth, all soil and rocks
  5. 6. adenosine phosphate
  6. 7. anything that has mass and takes up space
  7. 8. second step of anaerobic respiration
  8. 14. organelle-site of photosynthesis
  9. 16. nutrient used in phosphates of nucleic acids
  10. 18. sphere of earth, all water on earth