Across
- 2. is a series of connected links which are typically made of metal.
- 6. (often denoted by the cross symbol "×", by a point "·" or by the absence of symbol) is one of the four elementary, mathematical operations of arithmetic; with the others being addition, subtraction and division.
- 7. a set of interacting or interdependent component parts forming a complex/intricate whole
- 8. somebody who studies physics
- 10. Academic results about something
- 14. can be used to indicate"basic"
- 15. a confusing problem
- 17. statistics (usually, mean or variability) of weather, usually over a 30-year interval.
- 18. not gentle
- 19. not violent
- 21. is equal to "therefore"
Down
- 1. science about living things
- 3. Gravity is responsible for many of the structures in the Universe
- 4. can be used to describe the earth
- 5. meaning "vapour",andσφαῖρα (sphaira), meaning "sphere") is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
- 7. is an artificial object which has been intentionally placed into orbit.
- 9. a Subject needs both knowledge of Physics and Math
- 11. no longer exist
- 12. means difference
- 13. is not good for something
- 16. is a chemical element with symbol C and atomic number 6. On the periodic table, it is the first (row 2) of six elements in column (group) 14,
- 20. means "live"