Electricity

Question 1

changing a _________ field can cause _______ charges to move in a wire.

Answer 1

magnetic, electric

Question 2

__________ electric charge produces a magnetic field.

Answer 2

moving

Question 3

This relationship exists because electric force and magnetic force are really part of the same force.

Answer 3

Electromagnetic Force

Question 4

________ use an electromagnet to change _______ ______ into electrical energy

Answer 4

Generators, kinetic energy

Question 5

In a generator electrical current is produced as the coil of _____ rotates between the poles of a permanent magnet.

Answer 5

wire

Question 6

In a generator, as the coil rotates it _____ the direction of the _______ as it is repelled by the like charge of the magnet.

Answer 6

changes, current

Question 7

In the US current is produced at a rate of ____ times per second

Answer 7

60

Question 8

_______ current occurs in your outlets. This is the flipping of the coil in the generator that changes the direction of the current twice each cycle, ______ cycles per second (60 Heartz, Hz)

Answer 8

Alternating (AC), 60

Question 9

Batteries use _______ current, it only travels in one direction.

Answer 9

direct (DC)

Question 10

Most power plants work on _______ concepts

Answer 10

similar

Question 11

In power plants, a _____moves and turns the coil in the generator converting ______ ______ to electrical current in the generator.

Answer 11

turbine, kinetic energy (KE)

Question 12

_______ methods are used to make the turbine move.

Answer 12

different

Question 13

most power plants work by _______ _______ to steam and the steam turns the turbine.

Answer 13

heating water

Question 14

Six renewable resources are:

Answer 14

1. hydro
2. solar
3. geothermal
4. wind
5. tidal
6. biomass

Question 15

The nucleus of an atom contains ______ with a _____ charge and ______ with a ______ charge

Answer 15

protons, positive

neutrons, neutral

Question 16

______ are located outside the nucleus and are responsible for ____________

Answer 16

electrons, electricity

Question 17

In an electrical charge electrons are _______

Answer 17

moving

Question 18

Like charges _____ each other

Answer 18

repel

Question 19

opposite charges ______ each other

Answer 19

attract

Question 20

Electrical current is the movement of ________ or charges in a ______ direction

Answer 20

electrons, single

Question 21

Electrical current is measured in _____

Answer 21

amperes

Question 22

electrical current flows from _____ voltage to _____ voltage (force)

Answer 22

high, low

Question 23

electrical current flows from the ______ side of the battery to ______

Answer 23

negative, positive

Question 24

_________ allow electric current

Answer 24

conductors

Question 25

________ don't allow current to flow well

Answer 25

insulators (resistors)

Question 26

closed path that electric current follows

Answer 26

closed circuit

Question 27

If any break in the circuit occurs electricity _______ flowing, called an ______ _______

Answer 27

stops, open circuit

Question 28

a circuit contains these 3 things

Answer 28

1. a voltage source (battery) 2. wire (conductor) 3. load

Question 29

2 types of circuits are

Answer 29

1. series | 2. parallel

Question 30

A chain of circuits in line is a _____ circuit

Answer 30

series

Question 31

in a series circuit, if one goes out the others _____ ____

Answer 31

go out

Question 32

in a series circuit there is ____ path for electricity to follow

Answer 32

one

Question 33

circuits next to each other, side by side is a ______ circuit

Answer 33

parallel

Question 34

in a parallel circuit, if one goes out the others ____ _____

Answer 34

stay working

Question 35

in a parallel circuit there is _____ paths for electricity to follow

Answer 35

multiple

Question 36

Running electricity through a magnet creates a ______ _______

Answer 36

magnetic field

Question 37

In electromagnetism the coiled wire is called a ______

Answer 37

solenoid

Question 38

In electromagnetism, the ______ current the stronger the magnet

Answer 38

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