Across
- 2. sour in taste
- 5. water that flows to the ground as rain
- 7. anything that surround us
- 8. universal solvent
- 9. releases by plants
- 13. the breaking and dissolving of rocks and minerals on the Earth's surface
- 14. explore the way human behave
- 15. brings damage to the lakes, the soil, forest, and buildings.
- 18. composed of two or more substances
- 19. also called a solution
- 20. plays important role in the formation of teeth and bones
- 21. process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy
- 24. transition from gas to liquid
- 26. found in many organic and inorganic compounds
- 27. from a combination of two or more different chemical elements
- 28. source of energy
- 30. matter that has definite composition and distinct properties
- 33. technique for investigating phenomena
- 34. biogeochemical cycle that describes the movement of oxygen
- 35. need to perform work
- 37. organ insulator
- 38. deals with natural objects and phenomena
- 39. energy associated with the flow of electrons
Down
- 1. deals with predictable behavior
- 3. are natural occurrences that happen in our ecosystem
- 4. transition from liquid to gas
- 6. substance that has amino acids
- 10. the rise in temperature that the Earth experiencing because of certain gases in the atmosphere
- 11. simplest form of matter
- 12. most abundant element in the Earth's atmosphere
- 16. biogeochemical cycle by which carbon among the biosphere,pedosphere, hydrosphere, and atmosphere of the Earth
- 17. energy associater with the random motion of atoms and molecules
- 22. a cycle consists of evaporation, condensation, and precipitation.
- 23. take up space
- 25. energy stored within the bonds of chemical substances
- 29. energy stored within the collection of neutrons and protons in the atom
- 31. store and store hereditary information
- 32. refers to body of knowledge
- 33. the tenth most abundant element in the universe
- 36. bitter in taste
