The Energizer Bunny
contains 1 or more electric cells; works as a result of a chemical reaction and the movement of electrons
What is a battery?
plastic, wood, and glass are good examples of these
What are insulators?
a liquid or paste substance that conducts electricity
What is an electrolyte?
occurs when electrical charges build up on the surface of an object
What is static electricity?
what electronic devices (phones, TVs, etc.) can communicate that electrical devices (toasters, etc.) cannot
What is information?
the brain of the computer that processes information
What is the CPU (central processing unit) of a computer?
a conductor that can be moved to either bridge or not bridge a gap in a circuit
What is a switch?
What is the best way to push someone away from a high voltage electric source if he/she is being shocked?
an insulator such as a wooden stick should be used instead of a conductor such as a metal pole or your hand (AM p 136)
stores facts temporarily
What is the RAM (random access memory) of a computer?
can be affected by the size of the core or the number of coils around the core
What is the strength of an electromagnet?
How does magnetism produce electricity?
by moving a magnet around or through a loop of wire; moving a wire between the north and south poles of 2 magnets (text page 198-199)
contains the built-in memory and programs, or long-term memory
What is the ROM (read only memory) of a computer?
occurs when a circuit and power source allow electrons to move
What is current electricity?
Why is a parallel circuit better than a series circuit in a house or building?
If a whole house was on a series circuit, every time a break in the circuit occurred, every electrical device would stop working. A problem in a series circuit is harder to find than one in a parallel circuit. (AM p 136)