# Static Electricity Intro

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## Across

1. 1.6 X 10^-19 C is called an ___________________ charge
2. A metal sphere with a charge of +11 elementary charges touches an identical sphere with a charge of +15 elementary charges. After the spheres touch, the charge on the first sphere is positive ______________.
3. Every charge in nature turns out to be a whole number __________________ of 1.6 x 10^-19 C
4. How many electrons are contained in a charge of 8.0 x 10-19 C ?
5. After two neutral solids, A and B, were rubbed together, solid A acquired a net negative charge. Solid B, therefore, experienced a net loss of ____________.
6. The unit that a physicist uses for charge.
7. THE NAME OF THE DEVICE WE USED IN CLASS TO DETECT THE PRESENCE OF A CHARGED OBJECT IS CALLED AN_______________
8. The law of ____________________ of charge states that the total charge in a CLOSED system remains constant.
9. A neutral object can become positively charged by _________ electrons
10. If an object is neutral. it is because the number of protons _____________ the number of electrons.
11. ________________ Franklin was a world renowned physicist who invented the lightning rod.
12. Can anything ever have a charge of 2.0 x 10^-19 C?

## Down

1. A positively charged body must have AN EXCESS OF ____
2. When a positively charged body touches a neutral body, the neutral body will ____________ ______________ (2 WORDS)
3. WHEN A POSTIVELY CHARGED OBJECT IS GROUNDED, THE OBJECT ATTAINS A CHARGE OF ______________
4. This particle in an stom is almost never transferred between two bodies.
5. A postive charge will attract a negative charge AND a __________________ charge.
6. A plastic rod is rubbed with fur. The rod becomes negative because the fur ________________ electrons.
7. The force that a +1000 Coulomb charge exerts on a +1 Coulomb charge is _________________ to the force that that the +1 Coulomb force exerts on the 1000 C charge.
8. The part of an electroscope that prevents electrons from entering or leaving the electroscope is often made of a _______________ material.
9. After a neutral object loses 2 electrons, it will have a net charge of postive __________ elementary charges
10. Charging process that involves touching an object with a charged body.
11. Discharging a charged body

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