Name:_________________________________________
Date:__________________
Electricity and Magnetism
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Across
3 A switch is usually placed immediately after the __________ terminal of
power sources to stop of the flow of electrons through the circuit. (8)
5 The part of a circuit that needs energy is called the ______________. (4)
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Name:_________________________________________
Date:__________________
7 The name given to a material that allows electrons to flow through it easily. (9)
8 Another name for a closed circuit is a _____________. (4)
10 The ________ are the positively charged particles of an atom. (7)
12 A material/device added to circuits that acts as a bridge to stop and allow the
flow of electricity around a circuit. (6)
14 The name given to the force of the flow of electric charge. (4)
15 When electric current flows through a conductive material it creates a _____
field. (8)
16 __________ are the negatively charged particles of an atom. (9)
17 The name given to a material that prevents the flow of electrons. (9)
Down
1 A _____circuit only provides one path for the flow of electric charges through
a circuit. (6)
2 I am an example of an insulator (silver, cotton, copper, current). (6)
4 An ______ is wire coiled around a metal cylinder such as a nail that becomes
magnetized when electricity flows through it. (13)
6 A _______ circuit provides several paths for the flow of electrons through a
circuit. (8)
7 The part of an electromagnet where an insulated conductor is wrapped around
it. (4)
9 The ______ source is the name given to the part of an electric circuit that adds
electric energy to a circuit. (5)
11 ________ are the name given to particles in the nucleus of atoms that have no
charge. (8)
13 Electric _______________ is the flow of electric charges in a material. (7)
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Name:_________________________________________
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