Interdisciplinary Science- Circuits and Simple Machines

Ammeter

An instrument that measures the current in a circuit

Circuit

A complete, closed loop path through which currents flow

Electron

A stable subatomic particle with a negative charge

Parallel Circuit

An electrical current with multiple independent paths

Resistance

the degree to which a substance or device opposes the passage of electric currents, measured in ohms

Resistor

A device having a designated resistance to the passage of an electric current, converts electric energy into heat or light

Series circuit

An electrical current with a single path

Veltage

An electromotive force or potential difference expressed in volts

Which way do the electrons flow in a circuit

from negative to positive

what is the positive end of a battery called

a cathode

what is the negative end of a battery called

an anode