1) All matter is made up of tiny particles called a) atoms b) circuits c) electrons 2) Particle with a negative charge a) neutron b) electron c) atom 3) The buildup of electric charge on an object a) current electricity b) static electricity c) circuit 4) Objects that have unlike charges a) repel b) attract 5) Objects that have like charges a) repel b) attract 6) The flow of electrons through a wire a) static electricity b) current c) circuit 7) the path that an electric current takes is called a) electric discharge b) electric circuit c) current electricity 8) a complete path for the flow of electric current a) open circuit b) closed circuit c) electric wire d) electric source 9) a material that allows electric current to pass through easily a) resistor b) coductor c) insulator d) circuit 10) a material that stops the flow of electric current a) resistor b) conductor c) insulator d) circuit 11) an incomplete path for the flow of electric current a) open circuit b) closed circuit c) resistor d) insulator 12) Energy caused by the movement of electrons a) electric circuit b) electric current c) electrical energy d) electrical charge 13) a particle with a negative charge a) electron b) proton c) neutron 14) a particle with a positive charge a) electron b) proton c) neutron 15) How much a substance slows or stops the flow of electric current a) conductor b) insulator c) resistance d) circuit 16) when an electric current takes an unexpected path, or goes somewhere unwanted a) short circuit b) closed circuit c) open circuit d) current mistake 17) basic property of matter, can be positive or negative a) electric current b) electric circuit c) electric charge 18) when static electricity jumps from one object to another a) electric discharge b) electric current c) electric circuit d) shockwave 19) This opens and closes a circuit a) source b) load c) connector d) switch 20) When you flip the light switch on, what happens a) The circuit opens and current flows to the bulb and it lights up b) the circuit closes and current flows to the bulb and it lights up c) the breaker box fuse blows out and lights the bulb d) electric current is transferred from another load to the light bulb and it lights up 21) Which of these materials is a conductor? a) glass b) rubber c) copper d) plastic 22) Which material is an insulator? a) aluminum b) copper c) glass d) iron 23) Which object could replace the switch and still allow the bulb to light up? a) wooden toothpick b) rubber band c) metal needle d) t-shirt 24) a scientist wants to design a new hair dryer. Which would be the BEST choice of material to use for the handle of the hairdryer? a) copper b) rubber c) steel d) nickel 25) The flow of electricity (current) stops when a circuit is opened. a) true b) false 26) which sentence supports the fact that copper is a good conductor? a) Copper does not allow the flow of electrons through a wire b) copper allows the flow of electrons through a wire c) copper is a good choice for the handle of a hair dryer 27) Current electricity is the flow of __________________ through a wire a) protons b) discharge c) electrons d) static

junior cert Science Electricity

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