Across
- 5. Is the study of energy
- 6. It means knowledge.
- 8. Comprises all types of water resources
- 10. Is a substance that consists of two or more elements
- 13. It is a systematic body of knowledge.
- 15. Is a common chemical substance on planet Earth
- 17. Is anything that takes up space and has mass
- 18. The study of the interactions between lifeand its physical environment.
- 19. A solution with a pH lower than 7
- 21. Developing new knowledge based upon old knowledge.
- 23. An energy that depends upon the relative position of various parts of a system
- 26. The protective blanket of gases surrounding the Earth.
- 27. Is the smallest particle of an element
- 28. An energy that possesses due to its motion
Down
- 1. A substance that starts a chemical reaction
- 2. The act of noting or detecting phenomenon by the senses.
- 3. The outer mantle of the solid earth.
- 4. Is the ability to do work
- 7. The sum of all biochemical reactions in an organism
- 9. Is done when force is applied to an object over a distance
- 11. Is a key cultural aspect that is embedded in people’s way. of life.
- 12. A widely accepted hypothesis that stands the test of time.
- 14. A test that is used to rule out a hypothesis or validate something already known.
- 16. Is the rate at which energy is used
- 18. Is a pure substance
- 20. Where life operates.
- 22. Is the main element in organic compounds
- 23. A substance that forms as a result of a chemical reaction
- 24. A solution with a pH higher than 7
- 25. It is the unit of power