Vocabulary - Magnets And Electricity printable pdf download

Vocabulary - Magnets And Electricity

Name

Date

Vocabulary

STUDENT RESOURCE 7.1

INFORMATION SHEET

electric current the ﬂ ow of electric

magnetic ﬁ eld the area around a

charges through a closed circuit

magnet where magnetic forces act

When electric current ﬂ ows through

The magnetic ﬁ eld exists all around

a wire in a closed circuit, it produces a

a magnet, but it is strongest at the

magnetic ﬁ eld around the wire.

magnet’s poles. A magnetic ﬁ eld also

exists around a wire that current is

electromagnet a magnet made by

ﬂ owing through. This makes the wire

passing electric current through a coil of

act as a magnet.

wire wrapped around an iron core

Electric current passing through a

temporary magnet a material that acts

wire produces a magnetic ﬁ eld around

as a magnet for only a short time

the wire. If the wire is wrapped around

An electromagnet is a temporary

a piece of iron, the iron becomes a

magnet. It is only a magnet when

magnet. The iron stops being a magnet

electric current is ﬂ owing through the

when the current is turned off.

wire. When the current stops ﬂ owing,

the electromagnet is no longer a

magnet.

MAGNETS AND ELECTROMAGNETISM • SECTION 7 MAGNETS AND ELECTRICITY

Vocabulary - Magnets And Electricity