Simple Circuits

When all parts of the circuit are connected, it is a ______ circuit. 

• open
• closed

A circuit must be closed for electrons to travel.

• true
• false

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of electrical current
• the pathway that electrical current flows
• to add more power to the circuit

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

Which light will be brighter and why?

• Bulb A because its circuit is closed
• Bulb B because its circuit is closed
• Bulb B because it has more volts
• Bulb A because it has less volts

Which of the following can supply energy in an electric circuit?  

•  a conductor
• light bulb
• a wire
• a battery 

wood is a _____?

• conductor
• insulator

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

this is the symbol for a _____?

• switch
• light 
• battery
• wires

Tags

NGSS.HS-PS2-5

What is this symbol?

• Ammeter

• Wire

• Bulb

• Voltmeter

What is this symbol?

• Closed Switch

• Resistor

• Cell

• Battery