1) What is electromagnetism? a) it is the relationship between electricity and magnets. b) it is the relationship between magnets and magnetic field c) it is the relationship between magnetic field and electricity 2) Magnetism in electromagnets is created when ___________ flows through ________________ a) magnetic metals / electricity b) metals / electricity c) electricity / magnetic metals d) electricity / metals 3) All magnetic materials are metallic a) TRUE b) FALSE 4) Some metals and non-metallic a) TRUE b) FALSE 5) Non-metallic are magnetic a) TRUE b) FALSE 6) Non-metallic cannot be magnetic a) TRUE b) FALSE 7) Electromagnets are permanent a) TRUE b) FALSE 8) Electromagnets are activated by ____________ a) magnetism b) magnetic fields c) electricity 9) Electromagnets are ________________ a) objects that act like magnets when a magnetic field passes thorugh them b) objects that act like magnets when an electrical current passes thorugh them c) objects that act like electricity when an electrical current passes thorugh them 10) In a circuit with a battery, coil, and nail, if we OPEN the circuit.... a) becomes an electromagnet b) loses its magnetic force 11) In a circuit with a battery, coil, and nail, if the circuit IS CLOSED.... a) becomes an electromagnet b) loses its magnetic force 12) Open or close circuit? a) OPEN b) CLOSE 13) Open or close circuit? a) OPEN b) CLOSE 14) Open or close circuit? a) OPEN b) CLOSE 15) Examples of magnets at home a) magnetic resonance imaging b) blender, speakers, computers c) cars and trains like maglev trains 16) Examples of magnets in healthcare a) magnetic resonance imaging b) blender, speakers, computers c) cars and trains like maglev trains 17) Examples of magnets in transport a) magnetic resonance imaging b) blender, speakers, computers c) cars and trains like maglev trains

Electromagnetism

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