Across
- 3. Process plants use to produce food
- 4. Transfer of heat through direct contact
- 8. Homogeneous mixture
- 9. Rate of change of velocity
- 12. Substance that is dissolved
- 15. Force applied per unit area
- 16. Two or more atoms bonded together
- 19. Transfer of heat through fluid movement
- 21. Group of tissues working together
- 23. Ability to do work
- 26. Group of similar cells working together
- 27. Mass per unit volume
- 28. Basic unit of life
- 29. Related to heat energy
- 31. Smallest unit of an element
- 32. Substance with pH greater than 7
Down
- 1. Process in which substances change into new substances
- 2. Green pigment used in photosynthesis
- 5. Organelle that produces energy in cells
- 6. Living thing
- 7. Substance with pH equal to 7
- 10. Transfer of energy through waves
- 11. Pure substance with only one type of atom
- 13. Process of releasing energy from food
- 14. Substance that dissolves another
- 15. Rate at which work is done
- 17. Community of organisms and their environment
- 18. Product of mass and velocity
- 20. Substance made of different elements chemically combined
- 22. Resistance of an object to a change in motion
- 24. Force that attracts objects with mass toward each other
- 25. Control center of a cell
- 30. Substance with pH less than 7