Crossword Puzzle

4. This reaction breaks down molecules into smaller units and release energy.
8. It the sum of all the biochemical reactions in an organism.
9. Developing new knowledge based upon old knowledge.
11. This is the ability to do work.
13. It is a reaction that changes some chemical substances into others.
14. Elements pertain to economic, social and political elements are essentially manmade features, which make cultural milieu.
15. This is done when force is applied to an object over a distance.

1. Organized body of knowledge that is obtained by study and experimentation
2. Elements like plants, animals, microorganisms, and men
3. This is the outer mantle of the solid earth.
5. Stored energy that depends upon the relative position of various parts of a system.
6. This is the study of energy.
7. Where life operates.
10. An element which determines the variable character of the human habitat, its opportunities as well as limitations.
12. This is anything that takes up space and has mass. Matter, in turn, is made up of chemical substances.