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7. Unit of electrical
power, named after the Scottish inventor of the steam engine
8. a rotating machine that transforms electrical energy into
mechanical energy
9. The kind of electricity you create by rubbing a balloon
on your head
13. Atom or group of atoms that carries a positive or negative
electric charge as a result of having lost or gained one or more electrons
14. Emission of radiant energy in the form of waves or particles
15. It transmits electricity, like copper
16. Opposition to the passage of an electric current
19. Elementary particle consisting of a charge of negative
electricity
20. Smallest particle of an element that can exist either
alone or in combination
21. Uncharged elementary particle
22. Electric potential or potential difference
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1. Elementary
particle that carries a positive charge
2. Electromagnetic radiation in the wavelength range including
infrared, visible, ultraviolet, and X-rays
3. Device for making, breaking, or changing the connections
in an electrical circuit
4. Flash produced by a discharge of atmospheric electricity
5. Complete path of an electric current including the source
of electric energy
6. Inventor of the electric light bulb
10. Force acting on particles of matter, tending to draw them
together
11. Electrical charge with more protons than electrons
12. Electrical charge with more electrons than protons
15. Electrical flow through a conductor
17. Definite quantity of electricity
18. Unit of electrical resistance
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