electrical circuits

A material that does NOT allow electricity to flow is called _____.

• a conductor
• a fuse
• an insulator
• a transformer

What is electricity?

• a form of energy
• heat
• power source

What is an electrical circuit?

• lets you turn the energy on and off
• a closed path where where electricity flows
• stop electricity from flowing through

conductors

• power source
• turns energy on and off
• let electricity flow through easily
• stop electricity from flowing through easily

What is a good conductor?

• wood
• metal
• plastic
• battery

insulators

• power source
• turns energy on and off
• let electricity flow through easily
• stop electricity from flowing through easily

What is a battery?

• switch
• power source
• insulator

What does an electric circuit need to provide energy?

• A bulb
• A cell
• A switch
• A wire

Which of the following does a light bulb do?

• Change electrical energy into kinetic energy
• Change electrical energy into light energy
• Change light energy into electrical energy
• Change light energy into thermal energy

A complete circuit has .......

• a motor in it
• a switch in it
• two bulbs in it
• no breaks in it