NEW CHAPTER

Circuits and ElectronicsCHAPTER

thethe BIGBIG ideaidea

Circuits control the flow of electric charge.

Charge needs a continuous path to flow.

Circuits make electric current useful.

Electronic technology is based on circuits.

CHAPTER OUTLINE

20.120.1

20.220.2

20.320.3

CHAPTER RESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

short circuit

resistor

Charge needs a continuous path to flow.

SECTION OUTLINESECTION OUTLINE

circuitCharge flows in a closed path. Circuits provide a closed path for current. Circuit parts include voltage sources, switches, conductors, and electrical devices such as resistors.

20.120.1

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

short circuit

resistor

Charge needs a continuous path to flow.

SECTION OUTLINESECTION OUTLINE

circuitCharge flows in a closed path. Circuits provide a closed path for current. Circuit parts include voltage sources, switches, conductors, and electrical devices such as resistors.

20.120.1

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

short circuit

resistor

Charge needs a continuous path to flow.

SECTION OUTLINESECTION OUTLINE

circuitCharge flows in a closed path. Circuits provide a closed path for current. Circuit parts include voltage sources, switches, conductors, and electrical devices such as resistors.

20.120.1

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

short circuit

resistor

Charge needs a continuous path to flow.

SECTION OUTLINESECTION OUTLINE

circuitCharge flows in a closed path. Circuits provide a closed path for current. Circuit parts include voltage sources, switches, conductors, and electrical devices such as resistors.

20.120.1

Build a virtual circuit.

SIMULATION CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

SECTIONOUTLINESECTIONOUTLINE

Circuits make electric current useful.

parallel circuit

series circuit

Each device in a seriescircuit is wired on asingle path.

20.220.2

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

SECTIONOUTLINESECTIONOUTLINE

Circuits make electric current useful.

parallel circuit

series circuit

Each device on a parallelcircuit has its own connectionto the voltage source.

20.220.2

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

When the picture is input through the scanner, the image is broken down into pixels.

Electronic technology is based on circuits.

SECTIONOUTLINESECTIONOUTLINE

binary code

digital

electronic

analog

computer

Electronic devices use electrical signals to represent coded information. Computers process information in digital code which uses 1s and 0s to represent the information.

20.320.3

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

Electronic technology is based on circuits.

SECTIONOUTLINESECTIONOUTLINE

binary code

digital

electronic

analog

Each pixel is translated into binary code representing a color.

computer

code for this pixel:001101100000000000011011

Electronic devices use electrical signals to represent coded information. Computers process information in digital code which uses 1s and 0s to represent the information.

20.320.3

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

The binary code is then stored on the computer’s hard drive.

Electronic technology is based on circuits.

SECTIONOUTLINESECTIONOUTLINE

binary code

digital

electronic

analog

computer

Electronic devices use electrical signals to represent coded information. Computers process information in digital code which uses 1s and 0s to represent the information.

20.320.3

CHAPTERRESOURCESCHAPTERRESOURCES

VISUALIZATION

See how hard drives store information.

VOCABULARY

KEY CONCEPT CHAPTER HOME

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

I. Charge needs a continuous path to flow.

A. Electric charge flows in a loop.1. The Parts of a Circuit

2. Open and Closed Circuits

1. How Fuses Work

2. Other Safety Devices

C. Safety devices control current.

B. Current follows the path of least resistance.

Charge needs a continuous path to flow.

short circuit

resistor

circuit

1. Short Circuits

2. Grounding a Circuit

20.120.1

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

II. Circuits make electric current useful.

A. Circuits are constructed for specific purposes.

B. Circuits can have multiple paths.

C. Circuits convert electrical energy into other forms of energy.

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

Circuits make electric current useful.

1. Series Circuits

2. Parallel Circuits

parallel circuit

series circuit

20.220.2

CHAPTERRESOURCESCHAPTERRESOURCES

VOCABULARY

KEY CONCEPT CHAPTER HOME

III. Electronic technology is based on circuits.

KEY CONCEPTSUMMARYKEY CONCEPTSUMMARY

A. Electronics use coded information.

B. Computer circuits process digital information.

1. Binary Code

2. Digital Information

1. Integrated Circuits

2. Personal Computers

Electronic technology is based on circuits.

binary code

digital

electronic

analog

computer3. Analog to Digital

C. Computers can be linked with other computers.

1. The Origin of the Internet

2. The Internet Today

20.320.3

CHAPTERRESOURCESCHAPTERRESOURCES

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