Electricity Test

Question 1

Dry cell

Answer 1

a cell that contains electrolytes, made of paste.

Question 2

electrochemical cell

Answer 2

a cell that produces an electric current,
- by a chemical reaction involving chemical solutions
- metal compounds that are separated by a conducting solution

Question 3

ENERGY STAR

Answer 3

identifies a product or meeting and exceeding standards for energy efficiency.

Question 4

Generator

Answer 4

a device that uses energy of motion to create an electric current

Question 5

lightning

Answer 5

large scale static discharge

Question 6

attract

Answer 6

bring or draw closer

Question 7

electrical circuit

Answer 7

At a minimum, a source, a load, and wires that allow current to flow

Question 8

parallel circuit

Answer 8

a circuit that electric current can flow through multiple paths

Question 9

series circuits

Answer 9

a circuit in which the electric current flows in the same direction along one path.

Question 10

open circuit

Answer 10

a circuit with open gaps, or an open switch

Question 11

closed circuit

Answer 11

a complete circuit

Question 12

short circuit

Answer 12

A circuit with a resistance that is too low, making the current so high that it is dangerous

Question 13

charging by friction

Answer 13

charging a material or object by rubbing it

Question 14

electrical energy

Answer 14

the energy of charged particles

Question 15

potential energy

Answer 15

stored energy

Question 16

resistance, and the formula for finding it in series and parallel circuits.

Answer 16

shows the amount of current hindered by a load
series=
RT = R1 + R2
parallel=
1/RT = 1/R1 + 1/R2

Question 17

Voltage, and the formula for finding it in series and parallel circuits.

Answer 17

an electromotive force or potential difference expressed in volts
series=
V

Question 18

Current, and the formula for finding it in series and parallel circuits.

Answer 18

the flow of electricity in an electronic circuit, and the amount of electricity flowing through a circuit
series=
IT = I1 =I2

Question 19

source

Answer 19

anything that supplied electrical energy.

Question 20

electricity

Answer 20

form of energy, caused by movement of electrons

Question 21

static electricity

Answer 21

the result of electrons (charges) building up on one object then moving

Question 22

conductor

Answer 22

a material that allows electric flow

Question 23

insulator

Answer 23

a material that prevents electric flow

Question 24

charge

Answer 24

property of a substance that has lost or gained an electron

Question 25

repel

Answer 25

to push away

Question 26

attract

Answer 26

to pull together

Question 27

wet cell

Answer 27

A cell that contains a liquid electrolyte

Question 28

battery

Answer 28

source that uses chemicals and metals

Question 29

load

Answer 29

Device that converts electrical energy into another form of energy

Question 30

electrolyte

Answer 30

A solution or paste that conducts charge

Question 31

electrode

Answer 31

One of two metal terminals in a cell or battery

Question 32

law of electric charge

Answer 32

Scientific law states that opposite charges attract each other, and like charges repel each other

Question 33

proton

Answer 33

a positively charged particle atom

Question 34

neutron

Answer 34

a neutral particle atom

Question 35

electron

Answer 35

negatively charged particle atom