Crossword puzzle

3. the application of scientific knowledge for practical purposes, especially in industry.
5. concerned with or involving the theory of a subject or area of study rather than its practical application.
8. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
10. a conclusion reached on the basis of evidence and reasoning.
13. a set of things working together as parts of a mechanism or an interconnecting network.
14. the systematic computational analysis of data or statistics.
15. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
16. the quality of being trustworthy or of performing consistently well.
17. facts and statistics collected together for reference or analysis.
18. the systematic study of the structure and behavior of the physical and natural world through observation, experimentation, and the testing of theories against the evidence obtained.
20. the branch of science and technology concerned with the design, building, and use of engines, machines, and structures.
21. state or assert that something is the case, typically without providing evidence or proof.
22. facts, information, and skills acquired by a person through experience or education; the theoretical or practical understanding of a subject.

1. the abstract science of number, quantity, and space. Mathematics may be studied in its own right ( pure mathematics ), or as it is applied to other disciplines such as physics and engineering ( applied mathematics ).
2. (of a part or characteristic of an organism) less developed than formerly or in a related species; rudimentary; vestigial.
4. a series of actions or steps taken in order to achieve a particular end.
6. the action or process of innovating.
7. fact based on or characterized by the methods and principles of science
9. a statement that the values of two mathematical expressions are equal (indicated by the sign =
11. the action or process of observing something or someone carefully or in order to gain information.
12. based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
19. becoming apparent or prominent.