\fActivity 2: Crossword Puzzle (To be Submitted) Across Down 3. Charging by _ involves the contact of a 1. A region associated with a distribution of electric charged object to a neutral object. charge or a varying magnetic field in which forces 10. A _ is a separation of opposite electrical due to that charge or field act upon other electric charges charges. 11. A machine that produces a large amount of 2. A material that does not easily transmit energy. excess charge, used for experiments with high such as electric current or heat. voltage. 4. states that the total electric flux out of a 13. _ charging is a method used to charge an closed surface is equal to the charge enclosed object without actually touching the object to any divided by the permittivity. other charged object. 5._ is the measure of flow of the electric field 14. A materials that permit electrons to flow freely through a given area. from particle to particle. 6. Stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 x 10-27 kg, which is 1.836 times the mass of an electron. 7. The attractive or repulsive interaction between any two charged objects is an 8. According to Coulomb, the electric force for charges at rest has the following properties: Like charges repel each other; unlike charges 9. Negatively charged particles of atom. 12. The SI unit of electric charge is _