Electricity 1.0

Question 1

What is static electricity?

Answer 1

A stationary electric charge. An imbalance of electric charges.

Question 2

Electron

Answer 2

a negative charge

Question 3

Proton

Answer 3

a positive charge

Question 4

Neutral

Answer 4

An equal amount of positive and negative charges.

Question 5

Negatively Charged

Answer 5

When there is more electrons than protons.

Question 6

Charge separation

Answer 6

When charged objects are brought close to neutral objects.

Question 7

electrical discharge

Answer 7

The release of electricity

Question 8

Opposite charges…

Answer 8

…atract each other

Question 9

like charges…

Answer 9

…repel each other

Question 10

Electric current

Answer 10

Steady flow of charged particles.

Question 11

2 important things for a continuous circuit

Answer 11

An energy source
a complete circuit path

Question 12

Amperes (Amps)

Answer 12

The rate at which an electrical current flows

Question 13

Circuit

Answer 13

A path that controls the the flow of electricity

Question 14

Load

Answer 14

A device that converts electrical energy into another form of energy.

Question 15

Voltage(potential difference)

Answer 15

Is the measure of how much electrical energy each particle carries.

Question 16

short circuit

Answer 16

Current by passes part of the normal circuit

Question 17

IS current or Voltage more harmful

Answer 17

Current (amps)

Question 18

3 insulators

Answer 18

wood, rubber, air

Question 19

Fuses/circuit breakers

Answer 19

Interrupts a circuit when too much current is flowing through.

Question 20

Electrochemical cell

Answer 20

A package of chemicals that produce small amounts of electricity

Question 21

Dry cells

Answer 21

Chemicals are in a paste

Question 22

electrolyte

Answer 22

The paste or liquid that conducts electricity

Question 23

ion

Answer 23

an atom that becomes electrically charged through the loss or gain of electrons from one atom to another

Question 24

Electrodes

Answer 24

2 metals
copper and zinc

Question 25

wet cells

Answer 25

-a wet liquid electrolyte that is an acid
-Cheaper and easier to make than dry cells

Question 26

Primary cells

Answer 26

Produce electricity that can not be reversed

Question 27

Rechargeable cell(secondary cells)

Answer 27

Can be reversed by using an external electrical source to run electricity back through the cell.

Question 28

electrolysis

Answer 28

To split molecules into their original elements

Question 29

electrochemistry

Answer 29

the study of chemical reactions using electricity

Question 30

electroplating

Answer 30

less expensive objects can be made by coating a cheaper metal with a thin layer of silver or gold.