Chapter 11 Review

Question 1

circuit

Answer 1

Any path along which charged particles can travel

Question 2

electricity

Answer 2

the energy caused by the flow of particles with negative electrical charges (electrons)

Question 3

static electricity

Answer 3

a buildup of an electric charge

Question 4

conductor

Answer 4

a material through which heat or electricity does not flow easily

Question 5

insulator

Answer 5

a material through which heat or electricity does not flow easily

Question 6

current

Answer 6

a flow of charged particles, such as electrons, moving through a circuit

Question 7

series circuit

Answer 7

a circuit in which there is only one path for the electric current

Question 8

parallel circuit

Answer 8

a circuit with more than one path for current

Question 9

open circuit

Answer 9

a current containing a gap

Question 10

closed circuit

Answer 10

a circuit that has no gap in the path for current

Question 11

magnet

Answer 11

any object that attracts or repels other magnets and also attracts metal objects made of iron, cobalt, or nickel

Question 12

electromagnet

Answer 12

a temporary magnet created when current flows through wire wrapped in coils around an iron bar

Question 13

magnetic field

Answer 13

the area around the magnet in which other magnets can feel attraction or repulsion

Question 14

generator

Answer 14

the area around the magnet in which other magnets can feel attraction or repulsion

Question 15

transformer

Answer 15

a device that can be used to increase or decrease voltage of current

Question 16

pole

Answer 16

one of two ends of a magnet, where a magnet’s pull is strongest.

Question 17

short circuit

Answer 17

a very conductive path that bypasses less conductive parts of a circuit and can cause a fire