Across
- 3. To spread something harmful inside the body
- 6. an idea or theory that is not proven
- 7. Tools, machines, or ways to do things that use the latest discoveries
- 9. To leave behind an outer cover that has become too small
- 12. to increase in speed
- 13. An atom or group of atoms that has a positive or negative electric
- 14. the distance light can travel in 1 year
Down
- 1. To study something closely and carefully
- 2. the device in a computer that manages information
- 4. A feature, such as hair color, that is passed on from parent to children
- 5. An artificial world of images and sounds create by a computer that is affected
- 8. a range of wavelengths in light beyond the violet end of the visible color
- 10. matter through which electricity enters or leave
- 11. To cause to rise and float in the air