Electricity Write the word that best describes each definition in the blank space. Use each word only once. Not all words may be used. element
1. A substance in which all atoms are identical. 2. The center of an atom.
nucleus
3. The negatively-charged particle of an atom.
electron
4. The positively-charged particle of an atom.
proton neutron
5. The particle in the nucleus of an atom with no charge.
atom
6. The smallest part of an element that keeps all of the element’s characteristics. charge
7. An electrical force within an atomic particle.
8. The areas around the nucleus where electrons are located. 9. The force field created between the poles of a magnet. 10. A device that does work in an electric circuit. 11. A path through which electricity travels.
energy levels
magnetic field
load
circuit
12. An object in which the molecules are arranged so that north-seeking poles point one direction, while southseeking poles point another.
magnet
13. How like charges or magnetic poles respond.
repel
14. A device with magnets and coils of wire that produces electricity. 15. A device that produces electricity through a chemical reaction.
generator battery
Word Bank atom attract battery charge circuit electron
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ANSWERS
element energy levels generator load magnet magnetic field
neutron nucleus proton repel turbine
Intermediate Energy Infobook Activities