Electricity
A property that leads to electromagnetic interactions between the particles that make up matter.
What is electric charge?
The rate or flow of electric charges.
What is electric current?
A complete closed path through which electric charges can flow.
What is an electric circuit?
Any material that attracts iron or objects made of iron.
What is a magnet?
_______ are able to control the flow of electrons using integrated circuits.
Electronic devices
Friction, Contact, and Induction
What are the three ways that objects gain or lose electrons?
The amount of work required to move each unit of charge between two units.
What is voltage?
Energy source, electrical conductor, and load
What are the three basic parts of an electric circuit?
When two magnets exert a push/pull on each other.
What is a magnetic force?
A single tiny chip of specially treated silicon containing many circuit parts.
What is an integrated circuit?
The buildup of electric charge on an object.
What is static electricity?
The opposition to the flow of electric charge.
What is resistance?
One tool that can be used to model electric circuits.
What is a circuit diagram?
The ends of a magnet that can push magnets apart.
What is a magnetic pole?
Signals that change continuously in a given range.
What are analog signals?
A material through which charges can move freely.
What is an electrical conductor?
The charges flow in the same direction for ______ and for _________, the charges repeatedly shift from flowing in one direction to another.
What is the difference between direct and alternating current?
A device that turns electrical devices on and off.
What is a switch?
The area surrounding a magnet where magnetic forces can be detected.
What is a magnetic field?
A sequence of separate values.
What are digital signals?
A material through which charges cannot move freely.
What is an electrical insulator?
material composition, thickness, length, temperature.
What are the four factors of resistance?
A _______ has one path and shares the same amount of current for all loads. A ________ has more than one straight path and the loads share a different amount of current.
What is a series circuit and a parallel circuit?
_______ are groups of atoms where the south and north poles line up and make a strong, magnetic field.
Magnetic Domains
Any electrical device that performs tasks by following instructions given to it.
What is a computer?