9th Grade Electricity

Protons are __________.

• positively charged

• negatively charged

• neutral (no charge)

Electrons are __________.

• negatively charged

• neutral (no charge)

• positively charged

Tags

NGSS.MS-PS2-3

Neutrons are __________.

• negatively charged

• positively charged

• neutral (no charge)

An unbalanced negative or positive charge on an object is sometimes referred to as a __________.

• parallel circuit

• static charge

• current

• conductor

A material in which electrons cannot easily move is an __________.

• electric conductor

• electric insulator

• electric discharge

• electric field

The process of an unbalanced electric charge becoming balanced is an __________.

• electric insulator

• electric conductor

• electric discharge

• electric current

• __________ are pieces of metal that melt when too much current goes through it, breaking the circuit.

• Insulators

• Transistors

• Fuses

• Batteries

Tags

NGSS.MS-ETS1-1

_________ are switches that open the circuit when they detect excessive current in the home.

• Resistors

• Circuit breakers

• Fuses

• Capacitors

__________ are switches that open the circuit when they detect an electrical device isn’t returning the normal current.

• Transistors

• Fuses

• Ground-fault circuit interrupters (GFCIs)

• Transmission towers

A ________ has more than one path, or branch, for an electric current to follow.

• fuse

• series circuit

• broken circuit

• parallel circuit