160 likes | 521 Views
Chapter 16. Physics A First Course. Electricity and Magnetism. Electricity and Magnetism Magnetism. 16.1 Properties of Magnets 16.2 The Source of Magnetism 16.3 Earth's Magnetic Field. Key Questions: What are the effects of magnetism ?
E N D
Chapter 16 Physics A First Course Electricity and Magnetism
Electricity and MagnetismMagnetism • 16.1 Properties of Magnets • 16.2 The Source of Magnetism • 16.3 Earth's Magnetic Field
Key Questions: What are the effects of magnetism? What kinds of materials are affected by magnetic force? 16A Investigation: Magnetism *Students read text section 16.1 AFTER Investigation 16A
16A Investigation Topics • Measure magnetic force. • Use a compass to detect magnetic force. • Test magnetic properties of various materials.
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. Chapter 16.1 Objectives and Vocabulary • magnetic • permanent magnet • magnetic poles • magnetic field • magnetic field line
electromagnet right-hand rule diamagnetic paramagnetic ferromagnetic magnetic domain soft magnet hard magnet 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. Chapter 16.2 Objectives and Vocabulary
If the fingers of your RIGHT hand curl in the direction of the current, your thumb points toward the north pole. Right-Hand Rule
Key Question: Can magnetic force be created? 16B Investigation: Electromagnets *Students read text section 16.3 AFTER Investigation 16B
16B Investigation Topics • Make an electromagnet. • Use a compass to detect magnetic force. • Build a circuit to control and electromagnet. • Measure current used by an electromagnet. • Test different arrangements of an electromagnet.
compass magnetic declination gauss Explain how a compass responds to a magnetic field. Describe the cause of Earth's magnetism. Recognize the difference between Earth's magnetic and geographic poles. Explain how a compass is used to indicate direction. Chapter 16.3 Objectives and Vocabulary