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# Science Chapter 3

### Science Chpt 3 Electricity

Material that electrical current flows through easily. conductor
Metals such as copper and silver are examples of what? Conductors
What is an insulator? An insulator is when electric charge moves through something with difficulty.
Name three things you know about a filament. 1. It is a resistor. 2. It is a thin wire. 3. It gets hot and gives off light.
What changes energy to another form? Resistors
Light bulbs, T.V., computers, and filaments are examples of what? Resistors
Give examples of resistors that change electricity to heat. A toaster and a hair dryer.
What is a series circuit? A series circuit is electric charge that flows in one circular path.
True or False In a series circuit, if there is a break in the current the electrical flow stops. true
What type of circuit has two or more paths for electricity to flow? Parallel circuit
In a parallel circuit what happens if one of the loops is broken? The current still flows in the other loops.
Rubbing your hands together is an example of what? Friction
Name the four parts of a circuit? Energy source, wire, resistor, and switch.
What part of a circuit provides energy? Energy source
The charge flows through this part of the circuit. The wire
What transforms energy into other forms of energy? The resistor
True or False When the switch is open the current can not flow in a circuit. True
The light bulb is what part of the circuit? The resistor
The current can flow through a circuit when what is closed? The switch
Give an example of some form of energy changing into electrical energy. A wind turbine turns wind energy into electrical energy.

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