Unit D - Section 1

Question 1

Proton

Answer 1

Positive charge

Question 2

Electron

Answer 2

Negative charge

Question 3

Neutral atom

Answer 3

Objects that have equal amounts of positive and negative charge

Question 4

Charge separation

Answer 4

Charged objects cause charge separation when they are brought close to neutral objects

Question 5

Electrical discharge

Answer 5

When you feel a shock or see a spark as you reach to touch the doorknob; this spark is referred to as electrical discharge

Question 6

Atoms

Answer 6

Made of small particles; particles in an atom are electrically charged

Question 7

Static

Answer 7

Not moving or stationary

Question 8

Current electricity

Answer 8

Electricity that flows continuously

Question 9

Conductor

Answer 9

Materials that allow the electrons to flow or conduct electricity

Question 10

Load

Answer 10

A device that converts electrical energy to another form of energy

Question 11

Electrical current

Answer 11

The steady flow of charged particles

Question 12

Circuit

Answer 12

A path that controls the flow of electricity

Question 13

Amperes

Answer 13

The rate at which electric current flows; measured in (A) or Amp

Question 14

Current

Answer 14

Steady flow of electrons, useful for powering devices

Question 15

Voltage

Answer 15

A measure of how much electrical energy each electron carries

Question 16

Volt

Answer 16

Unit of measurement for voltage

Question 17

Voltmeter

Answer 17

A device that measures voltage

Question 18

Short circuit

Answer 18

Any bypass in a normal circuit or unintended pathway of breakage in a circuit

Question 19

Insulator

Answer 19

Materials that do not conduct electrical charge or electricity

Question 20

Fuse

Answer 20

Thin wire that melts when there is over voltage

Question 21

Circuit breaker

Answer 21

Shuts off automatically when there is over voltage

Question 22

Electrochemical cell

Answer 22

Cells that contain chemicals to produce a steady current

Question 23

Primary cell

Answer 23

Dry or wet cell that is not rechargeable

Question 24

Secondary cell

Answer 24

Cells that can be recharged by reversing the flow of current by using an external source

Question 25

Battery

Answer 25

Contains two of more cells

Question 26

Cell

Answer 26

Single battery (one cell)

Question 27

Dry cells

Answer 27

Chemicals that are in a paste

Question 28

Electrolyte

Answer 28

A liquid or paste that is inside a battery

Question 29

Ion

Answer 29

An atom or group of atoms that has become electrically charged through the loss or gain of atoms

Question 30

Electrodes

Answer 30

The electrolyte reacts with the 2 metals called electrodes

Question 31

Wet cells

Answer 31

Wet cells have a liquid and not a paste and they are not rechargeable

Question 32

Rechargeable cells

Answer 32

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

Question 33

Battery

Answer 33

Connecting many cells to create a battery

Question 34

Electrolysis

Answer 34

Electrical breakdown

Question 35

Electrochemistry

Answer 35

The study of chemical reactions involving electricity

Question 36

Electroplating

Answer 36

Less expensive products can be made by coating a cheaper metal with a thin layer of silver or gold

Question 37

Static electricity

Answer 37

the result of an imbalance between negative and positive charges in an object.

Question 38

Rules

Answer 38

Opposite charges attract Like charges repel