Across
- 4. an idea or theory that is not proven
- 7. to cause to rise and float in the air
- 10. a feature, such as hair color, that passed on from parents to children
- 11. a person who is studying or has expert knowledge of one or more of the natural or physical sciences.
- 14. matter through which electricity enters or leaves
- 15. an artificial world of images and sound created by computer that is affected by the actions of a person
Down
- 1. a range of wavelengths in light beyond the violet end of the visible color
- 2. to spread something harmful inside the body
- 3. the device in a computer that manages information
- 5. to increase in speed
- 6. the distance light can travel in 1 year
- 8. an atom or group of atoms that has a positive or negative electric charge
- 9. to study something closely and carefully
- 12. tools, machines, or ways to do things that use the latest discoveries
- 13. to leave behind an outer covering that has become too small