Across
- 1. Is anything that takes up space and has mass.
- 4. Developing new knowledge based upon old knowledge.
- 5. is the study of energy
- 7. Occurs when there is more water than land can absorb.
- 8. Is the removal of soluble material from a substance, such as soil or rock, through the percolation of water.
- 9. A test that is used to rule out a hypothesis or validate something already known.
- 10. Is done when force is applied toan object over a distance
- 16. the protective blanket of gases surrounding the Earth
- 17. A substance that forms as a result of achemical reaction
- 19. The vast majority of our people directly dependent on the nature resources of their country for their basic needs
- 21. The sum of all the biochemical reactions in an organism
- 23. Is the breaking down or dissolving of rocks and minerals on Earth’s surface.
- 25. A substance that starts a chemicalreaction
- 27. The study of the interactions between life and its physical environment.
- 28. Is a common chemical substance on planet Earth.
- 29. Can be found on earth in water, soil and sediments.
Down
- 2. Is the ability to do work
- 3. Where life operates
- 6. Is the rate at which energyis used
- 8. The outer mantle of the solid earth.
- 11. A suggested explanation based on evidence that can be tested by observation or experimentation.
- 12. comprises all typesof water resources
- 13. Is the smallestparticle of an element thatstill has the properties ofthat element
- 14. Defined as ametabolic process wherein, the living cells of an organism obtains energy
- 15. Organized body of knowledgethat is obtained by study andexperimentation
- 18. Is a pure substance
- 20. A widely accepted hypothesis that stands the test of time.
- 22. The act of noting or detecting phenomenon by the senses.
- 24. Is a substancethat consists of two or moreelements
- 26. Is the main element in organic compounds