1) Uses a magnet to convert motion into electrical energy a) electrolyte b) generator 2) Has multiple paths for the flow of electricity a) parallel circuit b) series circuit c) integrated circuit 3) A liquid or paste substance that conducts electricity. a) resistor b) electrolyte c) insulator 4) A very small circuit with all the parts built into it a) parallel circuit b) series circuit c) integrated circuit 5) A material that reduces (slows down) the flow of electricity. a) insulator b) conductor c) resistor 6) Any material that has the ability to attract iron a) conductor b) magnet c) circuit 7) Has only one path for the flow of electricity a) parallel b) series c) circuit 8) A continuous unbroken path through which electricity can flow. a) parallel b) series c) circuit 9) A material that allows electricity to flow through it easily a) conductor b) insulator c) resistor 10) A material through which electricity cannot flow a) conductor b) insulator c) resistor 11) Which unit measures how much current flows through a given part of a circuit in one second? a) amperes b) volts c) watts  12) Which unit measures the amount of electrical push, or force, in a circuit? a) amperes b) volts c) watts 13) Which unit measures power, or how fast work is done? a) amperes b) volts c) watts 14) A coil of wire with a core attached to an electrical source is called a(n) ____. a) battery b) electromagnet c) magnet d) generator 15) A ____ is a material that can work as a conductor or as an insulator. a) ROM b) magnet c) semiconductor d) resistor 16) Who discovered that moving a magnet around or through a loop of wire produces electricity in the wire? (two answers) a) Joseph Henry & Hans Christian Oersted b) William Sturgeon & Michael Faraday 17) Who discovered that current traveling through a wire produces a weak magnetic field in the live wire? a) Joseph Henry b) Hans Christian Oersted c) William Sturgeon d) Michael Faraday 18) Who discovered that adding a metal core to a coil of wire increased the magnetism? a) Joseph Henry b) Hans Christian Oersted c) William Sturgeon d) Michael Faraday 19) Which statement is correct? a) Both magnets and static electricity require a power source to work. b) Both magnets and static electricity can attract and repel objects. 20) Which statement is correct? a) The strength of an electromagnet can be affected by the size of the core or the number of coils around the core. b) The strength of an electromagnet is determined only by the amount of electricity it receives. 21) Which statement is correct? a) A battery works as a result of a chemical reaction and the movement of electrons. b) A battery works as a result of electricity flowing through wires wrapped around a core. 22) Which statement is correct? a) Both electronic devices and electrical devices communicate information. b) Electronic devices can communicate information, but electrical devices cannot. 23) Static electricity occurs when a circuit and a power source allow electrons to move. a) True b) False 24) Current electricity is produced when charges build up on the surface of an object. a) True b) False 25) Plastic, wood, and glass are good insulators. a) True b) False 26) A switch is a conductor that can be moved to bridge the gap or not bridge the gap in a circuit. a) True b) False 27) Magnetic force is strongest at the middle of the magnet. a) True b) False 28) The area of magnetic force around a magnet is called the magnetic field. a) True b) False 29) Integrated circuits signal information by opening and closing electrical circuits in sequence. a) True b) False 30) The brain of the computer that tells the other parts of the computer what to do is called the central processing unit (CPU). a) True b) False

Electricity = Magnetism

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?