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Stack #182467

QuestionAnswer
What metal is in magnets? iron
What is a push or a pull? force
When two magnets push apart they ______. repel
When two magnets pull together they _______. attract
What 4 materials are needed to make an electromagnet? steel rod, wire, D-cell, switch
Wire is wrapped around an _____ ______. iron core
A ______ ______ is wrapped around the core. wire coil
To make an electromagnet stronger, _______. Wind more coils
Advantage of an electromagnet turn it on and off
Disadvantage of an electromagnet needs power
Used to open and close circuits switch
Electricity flows through this substance conductor
A material that electricity will not flow through insulator
A circular path that electricity flows through circuit
Circuit that electricity will not flow through open circuit
Circuit that electricity will flow through and lights are on closed circuit
Created by: larsonjo
 

 



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