ELECTRICITY 1
Fill in the blanks with the words in the word bank on the right. Use each word only once.
1. In the center of an atom there are
that have a positive
.
2. Electrons move around the nucleus in shells, or
, and have a
charge.
3. Opposite charges
each other.
4.
have north and south
.
5. The north poles of magnets
each other.
6. Magnets have a force called a
.
7. Magnets can push
out of their shells; moving electrons is
.
WORD BANK
attract
charge
electricity
electrons
energy levels
magnetic field
magnets
negative
poles
protons
repel