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Physics A First Course
Electricity and Magnetism
Chapter 16
Electricity and Magnetism
Magnetism
 16.1
Properties of Magnets
 16.2
The Source of Magnetism
 16.3
Earth's Magnetic Field
16A Investigation: Magnetism
Key Questions:
What are the effects of
magnetism?
What kinds of materials are
affected by magnetic force?
*Students read text section 16.1
AFTER Investigation 16A
16A Investigation Topics
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Measure magnetic force.
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Use a compass to detect magnetic force.
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Test magnetic properties of various materials.
Chapter 16.1 Objectives and Vocabulary
Recognize that magnetic
poles always exits in pairs.
 Decide whether two magnetic
poles will attract or repel.
 Describe the magnetic field
and forces around a
permanent magnet.
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magnetic
permanent magnet
magnetic poles
magnetic field
magnetic field line
Chapter 16.2 Objectives and Vocabulary

Learn how to build a simple
electromagnet and change
its strength.
Use the right-hand rule to
locate an electromagnet's
poles.
 Explain the source of
magnetism in materials.
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electromagnet
right-hand rule
diamagnetic
paramagnetic
ferromagnetic
magnetic domain
soft magnet
hard magnet
Right-Hand Rule
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If the fingers of your
RIGHT hand curl in
the direction of the
current, your thumb
points toward the
north pole.
Where is the north and south pole?
16B Investigation: Electromagnets
Key Question:
Can magnetic force be created?
*Students read text section 16.3
AFTER Investigation 16B
16B Investigation Topics

Make an electromagnet.
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Use a compass to detect magnetic force.
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Build a circuit to control and electromagnet.

Measure current used by an electromagnet.
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Test different arrangements of an
electromagnet.
Chapter 16.3 Objectives and Vocabulary
Explain how a compass
responds to a magnetic field.
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Describe the cause of Earth's
magnetism.
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Recognize the difference
between Earth's magnetic and
geographic poles.
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Explain how a compass is used
to indicate direction.
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compass
magnetic
declination
gauss