CH 20 8th Grade Science Putman

Resistance is measured in a unit called the ____.

• ohm
• ampere
• coulomb
• volt

The statement that current is equal to the voltage difference divided by the resistance is known as ____.

• Einstein's equation
• Faraday's law
• Newton's law
• ohm's law

A path that allows only one route for an electric current is called a ____.

• parallel circuit
• parallel current
• series circuit
• series current

Electric charge that has accumulated on an object is referred to as ____. 

• circuit electricity
• current electricity
• current circuit
• static electricity

A circuit that has two or more branches for electrons to follow is a(n) ____. 

• series circuit
• electron circuit 
• parallel circuit
• circuit diagram

The rate at which an electrical device converts energy from one form to another is called ____. 

• voltage regulation
• electrical power
• electrical resistance
• electrical energy

A material through which electrons do NOT easily flow is a(n) ____. 

• transformer
• fuse
• insulator
• conductor 

Lightning is ____. 

• a large discharge of static electricity
• buildup of neutrons
• a high-voltage electric current 
• harmless 

One source of constant electric current is a ____. 

• transformer
• dry cell 
• coulomb 
• switch

Which of the following is a device designed to open an overloaded circuit and prevent overheating? 

• transformer
• magnet
• circuit breaker
• resistor 

Tags

NGSS.MS-PS3-3