1) These types of devices transfer and store data. Ex: a cell phone a) transformers b) electromagnets c) electronics 2) These are materials in which electrons flow through easily a) insulators b) conductors c) resistance 3) ___ occurs when a charge crosses empty space a) induction b) conduction c) convection 4) Examples of these would be objects made of iron or steel a) diodes b) insulators c) inductors d) conductors 5) The tendency of a material to oppose the flow of electrons. Ex: a lamp a) current b) voltage c) resistance  d) grounding 6) A ___ circuit has ONLY ONE pathway for electricity to flow. a) parallel b) alternating c) series 7) A __ circuit has MORE THAN ONE pathway for electricity to flow a) parallel b) alternating c) series 8) A __ produces electric current by rotating a coil of wire in a magnetic field a) motor b) generator c) circuit 9) Friction causes ___  to be transferred from one object to another. Ex. from a balloon to a sweater a) protons b) neutrons c) electrons 10) __ are temporary magnets that lose magnetism when the electric current is removed a) conductors b) circuits c) electromagnets 11) Blenders, washing machines, and dryers all plug in and need an electric _____ to operate. a) motor b) generator c) an electrical pole 12) A semiconductor device that allows AC electric current to only flow one direction a) Diode b) Fuse c) Transistor 13) The type of circuit that is used by the battery in a cell phone. a) series b) parallel c) diode 14) A device that is often used to amplify sounds in an electronic device. a) transistor b) diode c) fuse 15) A device that prevents the wiring in homes and apartments from over-heating and causing a fire. a) fuse b) diode c) transistor 16) All magnets produce a magnetic _____ that surrounds the magnet. a) charge b) span c) shortage d) field 17) Our electricity is generated by a) rotating a coiled wire between 2 magnets b) preventing the resistance of electricity in a wire c) using a transformer to attract lightning 18) Magnets have a) a north and a south pole b) materials that can experience a contact force c) materials with 2 north poles 19) Which ones are insulators? a) plastic comb, glass ball, & wooden boat oar b) graphite in a pencil, wooden boat oar, and aluminum foil c) copper pan, silver coffee pot, and golden wedding ring 20) Insulators protect us from heat and _________: a) electricity b) molecule c) atom

Electricity and Magnetism - Open the Box

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