Circuits
This component provides stored potential energy to run a circuit.
What is a D-Cell Battery?
These types of materials allow electric current to flow through them easily.
What are conductors?
An iron core becomes a temporary magnet when this happens.
What is electric current flowing through the wrapped wire?
Adding more wire coils around an iron core has this effect on an electromagnet.
What is makes it stronger?
These provide a pathway for electric current to flow between components.
What are wires?
Removing wire coils from around the core has this effect on an electromagnet.
What is makes it weaker?
Closing a switch does this to a circuit, allowing current to flow.
What is completes (or closes) the circuit?
Copper wire and metal switch contacts are examples of these.
What are conductors?
Connecting more batteries in series does this to the current in the circuit.
What is increases the current?
Opening a switch does this to a circuit, stopping the current.
What is breaks (or opens) the circuit?
Plastic wire coatings are used because they act as this.
What is an insulator?
An electromagnet attracts these types of items, like paperclips, when the circuit is closed.
What are magnetic materials?
These are the basic materials needed to make a complete circuit.
What are a power source (battery or outlet), wires, and a light bulb?
This is a device that is used to open and close a circuit easily...
What is a switch?
To make an electromagnet, a conductor could be coiled around this.
What is an iron or steel nail?
Name two different changes you can make to a circuit to make an electromagnet stronger.
What are adding more wire coils and adding more batteries in series?