Across
- 2. standards by which you judge, decide about, or deal with something (plural)
- 5. relating to or capable of production or reproduction.
- 9. a container for liquids.
- 11. something that controls what you do by keeping you within particular limits
- 12. the formal study of the principles of art and beauty
- 13. a thing intended to simulate or copy something else.
Down
- 1. a remote-controlled pilotless aircraft or small flying device.
- 3. the science that studies the movement of gases and the way solid bodies, such as aircraft, move through them
- 4. the way in which living things change and develop over millions of years
- 6. the study of people's efficiency in their working environment.
- 7. the area of mathematics relating to the study of space and the relationships between points, lines, curves, and surfaces
- 8. to produce a substance by combining other substances
- 10. jump or spring a long way, to a great height, or with great force.