Electricity - Electrical Components Class Activity

What do circuit symbols represent?

• Different types of batteries

• Different components in a circuit

• Types of electrical currents

• Types of resistors

What does the long line in a battery represent?

• Current flow

• Positive terminal

• Negative terminal

• Ground connection

What is the function of a bulb in an electrical circuit?

• To measure voltage

• To turn current on and off

• To give out heat and light

• To limit current flow

What does a switch do in an electrical circuit?

• Measures current

• Increases voltage

• Turns current on and off

• Protects appliances

What material are connecting wires usually made of?

• Plastic

• Steel

• Copper

• Iron

Tags

NGSS.MS-PS1-1

What does an ammeter measure?

• Current

• Resistance

• Voltage

• Power

What is the purpose of a voltmeter?

• To measure current

• To measure voltage

• To limit current

• To increase voltage

What does a resistor do in a circuit?

• Increases voltage

• Limits current

• Measures current

• Turns current on and off

What happens to a fuse when too much current passes through it?

• It measures current

• It increases voltage

• It melts to break the circuit

• It turns on the bulb

What is the function of a transformer in an electrical circuit?

• To connect wires

• To increase or decrease the voltage of electric current passing through the circuit

• To measure voltage

• To control the amount of current passing through the circuit

Tags

NGSS.HS-PS3-3