Electrical energy and circuits

The switch ____________

• Lets you turn energy on and off
• is the power source

A conductor is a material that doesn’t allow electrons to flow through it easily.

• T
• F

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

Which one is NOT a form of energy?

• electricity
• heat and sound
• motion and light
• circuits and conductors

Electricity can be found in nature through animals, people, and weather

• F
• T

Our brains use _______ to send signals to muscles

• Circuits
• energy
• Electricity

Electrical energy can change into heat, motion, and light energy

• T
• F

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