Across
- 2. earth, sun, planets, stars and outer space
- 3. space and time without end
- 7. the application of scientific skills
- 8. careful studies for scientific purpose
- 9. a profession or special area of science
Down
- 1. tests that are used to discover or prove
- 4. a series of steps for making something
- 5. tiny particles on earth which can't be broken
- 6. study of nature and universe based on facts
