Across
- 2. deals with predictable behavior
- 5. process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy
- 6. need to perform work
- 10. store and store hereditary information
- 13. bitter in taste
- 15. biogeochemical cycle that describes the movement of oxygen
- 18. transition from gas to liquid
- 19. energy associater with the random motion of atoms and molecules
- 21. a cycle consists of evaporation, condensation, and precipitation.
- 23. releases by plants
- 24. most abundant element in the Earth's atmosphere
- 25. explore the way human behave
- 29. energy stored within the collection of neutrons and protons in the atom
- 31. technique for investigating phenomena
- 35. energy is neither created nor destroyed
- 36. the rise in temperature that the Earth experiencing because of certain gases in the atmosphere
- 37. biogeochemical cycle by which carbon among the biosphere,pedosphere, hydrosphere, and atmosphere of the Earth
- 38. water that flows to the ground as rain
- 40. matter that has definite composition and distinct properties
Down
- 1. are natural occurrences that happen in our ecosystem
- 3. organ insulator
- 4. energy stored within the bonds of chemical substances
- 7. sour in taste
- 8. composed of two or more substances
- 9. source of energy
- 11. energy associated with the flow of electrons
- 12. brings damage to the lakes, the soil, forest, and buildings.
- 14. transition from liquid to gas
- 16. anything that surround us
- 17. the breaking and dissolving of rocks and minerals on the Earth's surface
- 20. take up space
- 22. substance that has amino acids
- 26. the tenth most abundant element in the universe
- 27. deals with natural objects and phenomena
- 28. from a combination of two or more different chemical elements
- 30. simplest form of matter
- 32. found in many organic and inorganic compounds
- 33. plays important role in the formation of teeth and bones
- 34. refers to body of knowledge
- 39. universal solvent