Physical Science, Chapter 20 (20A)
Across
- 4. On the basis of the interaction of their electric fields (using the diagram below) you can tell that the charges on Objects E and F are both ______________ charged. (p. 445)
- 6. The charge on Object C is ___________________, on the basis of the interaction of their electric fields. (p. 445)
- 7. A negatively charged sphere is brought near a neutral isolated sphere. While the charged sphere is near, the isolated sphere is grounded. At this moment, electrons move from the neutral sphere into the ________________. (p. 447)
- 11. Through charging by induction, the process of accumulating static charge results in _______________ charged objects? (p. 447)
- 12. In electric field models, field lines point toward _________________ charged objects.(p. 445)
- 13. The electric force between two objects is related to the _____________ on each object and the distance between them. (p. 443)
- 14. A laser printer uses ______________ electricity as part of its copying and printing processes. (P. 443)
Down
- 1. Electrons of a charged object spread to an uncharged object when charging by conduction because like charges ______________ each other. (p. 447)
- 2. You can quadruple the electric force between two charged objects by ________________ the charge of both objects. (p. 444)
- 3. A __________________ is the unit of electric charge (p. 442)
- 5. The charge on Object D is ___________________, on the basis of the interaction of their electric fields. (p. 445)
- 8. A positively charged object and a negatively charged object will ______________ each other. (p. 443)
- 9. During a lab activity, a glass rod was rubbed with silk and it became positively charged. The accumulation of static charge is due to the glass rod _______________ electrons to the silk. (p. 446)
- 10. The electric force does not require objects to be in ______________ with each other. (р. 443)