Across
- 1. an idea that is based on observation and experimentation but that is not commonly accepted
- 3. one of two parts of a space shuttle that helps launch it into space by overcoming gravity
- 6. having the earth as the center of the solar system (what people used to believe a long time ago)
- 7. very much; particularly
- 9. to go back and forth from one place to the next
- 10. makes sense in an organized, step-by-step way
Down
- 2. resisted; against something
- 4. a manned spacecraft used for expedition
- 5. having the sun as the center of the solar system
- 8. mathematical methods used to answer a question