How Does Electricity Flow?

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# How Does Electricity Flow? - PowerPoint PPT Presentation

How Does Electricity Flow?. Electricity & Magnetism Science Instructor: Miss Aartman. How Does Electricity Flow?. Electricity usually flows in a loop. This loop is called an electric circuit. In an electric circuit, electrons flow through a complete path and return to their starting point.

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### How Does Electricity Flow?

Electricity & Magnetism

Science

Instructor: Miss Aartman

How Does Electricity Flow?
• Electricity usually flows in a loop.
• This loop is called an electric circuit.
• In an electric circuit, electrons flow through a complete path and return to their starting point.
Building an Electric Circuit

You will need:

• One battery
• Electrical tape
• Bare copper wire
• Scissors
• Miniature light bulb
How to Build an Electric Circuit

Working in a group of three: Step one

• Batteries have two parts a positive end and a negative end.
• Draw a diagram of the battery.
Building an Electric Circuit

Step two:

• Tape one end of one piece of covered wire to the bottom end of the battery.
• Tape one end of the other piece of wire to the top end of the battery.
Building an Electric Circuit

Step three

• Touch the free ends of both wires to the light bulb.
• Touch one wire to the base of the bulb and the other to the metal piece around the side of the bulb.
• What happens to the bulb?
How Does it Work?
• Electrons started flowing from the bottom of the battery through the copper wire.
• Then they flowed into the bulb and made it light up!
• The electrons then flowed from the bulb through the other copper wire that is connected to the top of the battery.
• The electrons traveled in a loop, or through a complete circuit.
How Does it Work?
• Copper wire allows electrons to flow freely.
• Anything that allows electrons to flow is called a conductor.
• Things that do not allow electrons to flow are called insulators.
• How can you find out whether something is a conductor or an insulator?
• Find out next time!!!!!!!