Electricity Crossword 2
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1. If an atom has more electrons than protons, it
has a ____ charge.
2. The strength of an electromagnet can be
increased by increasing the amount of ____.
3. A metal used in electrical cords. This metal is
a good conductor of electricity.
4. A magnetic ____ is where a magnet's pull is
strongest.
5. Only negative ____ can move from one
material to another.
Across
2. Most metals, such as copper, are good ____
of electricity.
6. A current of high ____ is used to transmit
electric power over long distances.
7. An electric circuit that has only one path for
the current is called a ____ circuit.
8. A ____ attracts objects that are made of iron
or steel.
9. A magnet has ___ poles.
10. The south pole of one magnet will ____ the
north pole of another magnet.
11. This is a giant magnet. The needle of a
compass points to this magnet's north pole.
12. Plastics are good ____ of electricity.
Plastics are often used to coat electrical
wires.
13. These are used in computer disc drives,
speakers, and power door locks.
14. An electromagnet is a ____ magnet that is
created when electric current flows through
a coil of wire.
15. Ben Franklin discovered the electricity in
____ in 1752.
16. You can make an electromagnet from
copper wire, an iron nail, and a ____.
17. An electric circuit that has more than one
path for the current is called a ____ circuit.
18. You can create ____ electricity by rubbing
your foot on a carpet.
19. Particles with like charges ____ each other.
20. Particles with ____ charges attract each
other.
21. A ____ may have a switch that allows you
to open or close the ____.
22. If an atom has more protons than electrons,
it has a ____ charge.
Answer Key 0410326
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