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Science Quiz


electrical charge a property of matter that tells whether something has a positive or negative charge. Something with a positive electrical charge will repel an object with the same property
static electricity a buildup of electrical charge on an object. Objects rubbing against one another in a clothes dryer create static electricity
discharge a release of electrical energy from one object to another. Static electricity will discharge from a charge object to a lesser charged object
conductor a material through which heat or electricity flows easily. Metals such as copper and silver are good conductors.
insulator Something that slows or stops the flow of energy, such as heat, electricity, or sound. Wood, rubber, and glass are good insultors
How did electrical charges interact? Electrical charges can be negative or positive. Opposite charges attract each other. Like charges repel each other.
What is an electrical discharge? An electrical discharge is the movement of a buildup of electrical charge from one object to another. This buildup of electrical charge on an object is called static electricity.
What are two of static electricity? Some examples of static electricity are lightning, rubbed balloons, shocks when a doorknob or light switch, hair standing on end after combing or brushing, and sparks when touching a sweater.