Download 21-5M How are Electricity

Name:______________________________ Section: _____________ Date: ____/____/______
21-5M: How are Electricity and Magnetism Related?
Pages 462-463
Objective:
 Explain the relationship between electricity and magnetism.
Key Terms:
 Electromagnetism: Relationship between electricity and magnetism.
 Electromagnetic Induction: process by which an electric current is produced by moving a
wire in a magnetic field.
Oersted’s Discovery
 Read this section.
 Answer the following question. USE COMPLETE SENTENCES.
 DESCRIBE: What did Hans Christian Oersted discover?
Hans Christian Oersted discovered that an electric
current produces a _______________ field.
Electromagnetic Induction
 Read this section.
 Answer the following question. USE COMPLETE SENTENCES!
 DEFINE: What is electromagnetic induction?
Electromagnetic induction is the process by which an
electric _______________ is produced by moving a
wire in a magnetic field.
Standard(s): 5.6
TA: _____________
Independence Level: __________%
Assistance, coaching, prompting: __________________________________________________
Word Bank for “Checking Concepts”
induction
electric current
changing
electricity
CHECKING CONCEPTS
1. Oersted discovered that an ________________ ________________ caused a magnetic field.
2. An electric current is produced when a wire is exposed to a ____________________
magnetic field.
3. Michael Faraday discovered electromagnetic _______________________.
4. Electromagnetism is the relationship between ____________________ and magnetism.
THINKING CRITICALLY ANSWER THE FOLLOWING QUESTIONS. USE COMPLETE
SENTENCES.
5. DESCRIBE: What determines the direction of electric current in a wire when a magnet is
moved around the wire?
The direction of the current depends on the direction
of the movement of the _______________.
6. EXPLAIN: What happens to a nearby compass when you disconnect a circuit?
When you disconnect a circuit, the compass pointer will
return to its _______________ position.
(look in the “Oersted’s
Discovery” section for this answer)
7. EXPLAIN: Why will an electric current not be produced in a wire that is exposed to a
stationary magnetic field?
Electromagnetic induction occurs only when a wire
________________ (moving or not moving) in a
magnetic field.
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