Vocabulary
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Conductor
Posted by:A material that allows an electric current to flow through it. Examples are penny, copper wire, paper clip and water. -
Electron
Posted by:A particle that has a negative charge and is found outside the nucleus of an atom. -
Insulator
Posted by:A material that resists an electric current. Examples are rubber, glass, cloth, and plastic. -
Load
Posted by:A device that pulls an electric current from a power source. In a circuit, a load can be a light bulb or an alarm. -
Parallel Circuit
Posted by:A circuit that divides the current between two or more loads before returning to the power source. -
Series Circuit
Posted by:A circuit with two or more loads connected in a line. Electric current flows from one load to the next.
Force and Motion Vocabulary
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1st Law of Motion
Posted by:An object at rest wants to stay at rest. An object in motion wants to stay in motion. -
Isaac Newton
Posted by:An English scientist and mathematician. He discovered the three laws of motion and had ideas about how gravity works. -
Mass
Posted by:The amount of matter of stuff that an object is made of. Mass is measured in grams (g). Mass is measured with a Balance.