Electric Current and Electric Circuits
Lesson 2
Electric Current and Electric Circuits
Skim Lesson 2 in your book. Read the headings and look at the photos and illustrations. Identify three things you want to learn more about as you read the lesson. Record your ideas in your Science Journal.
Relate electric charge to electric current.
Electric Current— Moving Electrons I found this on page
.
I found this on page
.
Contrast two types of electric current. Direct Current
.
Example: Electric Circuit Definition:
Example: needs…
Example:
136
Electricity and Magnetism
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Characterize an electric circuit.
The Circuit—A Path for Electric Current I found this on page
Alternating Current
Lesson 2 | Electric Current and Electric Circuits (continued)
I found this on page
.
Describe three sources of electric energy. Battery
I found this on page
.
Generator
Solar Cell
Identify the purpose of an electric device.
Transforms to
I found this on page
.
Generalize the transformation of electric energy by different
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
electric devices. Devices with Devices with resistance transform resistance transform energy. energy.
I found this on page
.
Assess the characteristic of copper wire that makes it a good conductor of an electric current.
I found this on page
.
Evaluate why a good light cord should have low resistance.
Electricity and Magnetism
137
Lesson 2 | Electric Current and Electric Circuits (continued)
I found this on page
.
Differentiate types of electric circuits. Type
Description
Simple
has a source of electric energy, a conductor path for current to flow through, and a single device
Example
flashlight
Series
Parallel
Relate measurements of electric charge.
Voltage and Electric Energy I found this on page
.
Voltage
A Practical Electric Circuit
Identify an additional component included for safety or convenience in a practical electric circuit.
I found this on page
Analyze It
138
.
Infer why electric energy should be conserved.
Electricity and Magnetism
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
A is 6,000,000,000,000,000,000
Electric Current and Electric Circuits
Skim Lesson 2 in your book. Read the headings and look at the photos and illustrations. Identify three things you want to learn more about as you read the lesson. Record your ideas in your Science Journal.
Relate electric charge to electric current.
Electric Current— Moving Electrons I found this on page
.
I found this on page
.
Contrast two types of electric current. Direct Current
.
Example: Electric Circuit Definition:
Example: needs…
Example:
136
Electricity and Magnetism
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Characterize an electric circuit.
The Circuit—A Path for Electric Current I found this on page
Alternating Current
Lesson 2 | Electric Current and Electric Circuits (continued)
I found this on page
.
Describe three sources of electric energy. Battery
I found this on page
.
Generator
Solar Cell
Identify the purpose of an electric device.
Transforms to
I found this on page
.
Generalize the transformation of electric energy by different
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
electric devices. Devices with Devices with resistance transform resistance transform energy. energy.
I found this on page
.
Assess the characteristic of copper wire that makes it a good conductor of an electric current.
I found this on page
.
Evaluate why a good light cord should have low resistance.
Electricity and Magnetism
137
Lesson 2 | Electric Current and Electric Circuits (continued)
I found this on page
.
Differentiate types of electric circuits. Type
Description
Simple
has a source of electric energy, a conductor path for current to flow through, and a single device
Example
flashlight
Series
Parallel
Relate measurements of electric charge.
Voltage and Electric Energy I found this on page
.
Voltage
A Practical Electric Circuit
Identify an additional component included for safety or convenience in a practical electric circuit.
I found this on page
Analyze It
138
.
Infer why electric energy should be conserved.
Electricity and Magnetism
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
A is 6,000,000,000,000,000,000
