Electricity

Question 1

Electricity

Charging by contact

Answer 1

The process of transferring charge by touching or rubbing

Question 2

Electricity

Charging by induction

Answer 2

The rearrangement of electrons on a neutral object caused by a nearby charged object

Question 3

Electricity

Circuit

Answer 3

A closed path that electric current follows

Question 4

Electricity

Conductor

Answer 4

A material in which electrons are able to move easily.

Question 5

Electricity

Electric current

Answer 5

The net movement of electric charges in a single direction

Question 6

Electricity

Insulator

Answer 6

A material in which electrons are not able to move easily

Question 7

Electricity

Law of Conservation of charge

Answer 7

Charge can be transferred from object to object, but cannot be created or destroyed

Question 8

Electricity

Ohm’s law

Answer 8

The current in a circuit equals the voltage difference divided by the resistance

Question 9

Electricity

Parallel circuit

Answer 9

Contains two or more branches for current to move through

Question 10

Electricity

Resistance

Answer 10

The tendency for a material to oppose the flow of electrons

Question 11

Electricity

Series circuit

Answer 11

The current has only one loop to flow through

Question 12

Electricity

Static electricity

Answer 12

The accumulation of excess electric charges on an object

Question 13

Electricity

Voltage difference

Answer 13

Is relating to the force that causes electric charges to flow

Question 14

A material in which the electrons on each atom are held onto very tightly by the nucleus.

Answer 14

Insulator

Question 15

A material in which the nucleus only loosely holds onto the electrons on the surface of the atom.

Answer 15

Conductor.

Question 16

Ohm’s Law

Answer 16

V = IR

(often written I = V/R)

Question 17

The three particles that make up atoms.

Answer 17

Protons

Neutrons

Electrons

Question 18

The charge on a proton.

Answer 18

+1

Question 19

The charge on an electron.

Answer 19

-1

Question 20

The charge on a neutron

Answer 20

0

Question 21

What are the whitish particles?

Answer 21

Electrons

Question 22

What are the blue and red particles

Answer 22

Protons and Neutrons

Question 23

What are the blue and red particles deep down in the nucleus of an atom?

Answer 23

Protons and Neutrons

Question 24

What are the little grey particles?

Answer 24

Electrons

Question 25

What are color are the neutrons?

Answer 25

Green

Question 26

What are the orange particles, and what is their charge?

Answer 26

They are neutrons The have no charge.

Question 27

What are the yellow particles?

Answer 27

Protons

Question 28

What are color are the protons?

Answer 28

Red

Question 29

What are color are the electrons?

Answer 29

Blue

Question 39

Electrical Current is measured in

Answer 39

Amperes (amps)

Question 40

An ampere is equal to

Answer 40

1 coulomb of charge per second Ampere = Coulombs/Second

Question 41

These batteries are hooked up in \_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 41

These batteries are hooked up in _parallel._

Question 42

These batteries are hooked up in \_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 42

These batteries are hooked up in _Series_.

Question 43

These bulbs are hooked up in \_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 43

These bulbs are hooked up in _series_.

Question 44

These bulbs are hooked up in \_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 44

These bulbs are hooked up in _series_.

Question 45

A battery is a device that converts \_\_\_\_\_\_\_\_\_\_\_ to \_\_\_\_\_\_\_\_\_\_\_.

Answer 45

A battery is a device that converts **_chemical potential energy_** to **_electrical energy_**.

Question 46

Something that opposes the flow of electricity in a circuit.

Answer 46

Resistor (could be a lightbulb, a very thin wire, a home appliance like a toaster or dishwasher)

Question 47

Electrical Potential Difference is also known as....

Answer 47

Voltage ## Footnote (Voltage is measured in Joules/Coulumb)

Question 48

Which particles typically flow in a circuit? ## Footnote (Electrons, protons, or neutrons)

Answer 48

Electrons ## Footnote (they are on the outside edges of the atoms, and can jump from atom to atom if they are not held too tightly by the nucleus.)

Question 49

A method of charging an object where you scare the electons away, leaving a positive area behind.

Answer 49

Charging by Induction

Question 50

A method of charging an object where pull electrons to the surface, making the surface negativily charged.

Answer 50

Charging by Induction

Question 51

Opposite charges \_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 51

Attract

Question 52

Like charges \_\_\_\_\_\_\_\_\_\_\_\_\_\_

Answer 52

Repel

Question 53

One Joule per coulomb is known as

Answer 53

One Volt

Question 54

In Ohms Law, current is directly proportional to \_\_\_\_\_\_

Answer 54

Voltage

Question 55

In Ohm's Law, current is inversely proportional to \_\_\_\_\_\_.

Answer 55

Resistance

Question 56

If I the current in a circuit has double while the resistance remains the same, what happened to the voltage?

Answer 56

It doubles. Voltage and current are directly proportional.

Question 57

If the resistance of a circuit is doubled while the voltage remains the same, what happens to the current?

Answer 57

Cut in half. Current and resistance are inversely proportional

Question 58

If I the voltage in a circuit is doubled while the resistance remains the same, what happens to the current?

Answer 58

It doubles. Voltage and current are directly proportional.

Question 59

If the current of a circuit is doubled while the voltage remains the same, what happened to the resistance?

Answer 59

Cut in half. Current and resistance are inversely proportional