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Science 9 > Electricity > Flashcards

Electricity Flashcards

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0
Q

What are leads?

A

Wires?

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1
Q

4 Parts of a Circuit

A

Leads
Loads
Source
Switch

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2
Q

What are loads?

A

Motor, Lamp. Voltmeter, Ampmeter

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3
Q

What is a source?

A

Battery/ Cell

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4
Q

What are the types of circuits?

A

Series

Parallel

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5
Q

What is a series circuit?

A

A circuit where the electricity has only 1 path

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6
Q

What is a parallel circuit?

A

A circuit where the electricity has more than 1 path to travel.

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7
Q

What are renewable resources used to create electricity?

A

Solar
Wind
Hydroelectric

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8
Q

How is hydroelectric power created?

A

Turbine > Generator

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9
Q

What are the 3 ways to transfer energy?

A

Abduction
Induction
Conduction

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10
Q

What is abduction?

A

static electricity created through friction

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11
Q

What is induction?

A

No contact

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12
Q

What is conduction?

A

Contact

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13
Q

What does a Van de Graaff show?

A

Discharge

Electron jump

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14
Q

What is the law of electrostatics?

A

Same charges repel,

Opposite charges attract

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15
Q

What are the two types of cells?

A

Wet

Dry

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16
Q

What is a wet cell?

A

Liquid electrolyte acid

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17
Q

What is a dry cell?

A

Paste, solid elctrolytes

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18
Q

What combination of electrodes are necessary to creat a successful battery?

A

Cu, 2n
Copper
ZInc

19
Q

What are the main parts of a motor?

A 
Wire
Battery
Armature
Magnet
>Electromagnet
20
Q

What is current?

A

Moving electrons

21
Q

What does it mean to be neutral?

A

Equal amount of electrons and protons

22
Q

How do you create a positive charge?

A

Add protons

23
Q

How do you create a negative charge?

A

Add electrons

24
Q

What is the symbol for Amperes?

A

I

25
Q

What is the symbol for Ohms?

A

R

Omega

26
Q

What is the symbol for potential or voltage?

A

V

27
Q

What is the formula for voltage?

A

V=IR

28
Q

What is the formula for power?

A

P=IV

29
Q

What is the formula for energy?

A

E=Pt

30
Q

What is the formula for rate?

A

W=J/s

31
Q

What is the formula for efficiency?

A

Output/ Input *100

32
Q

What factors make it impossible to be 100% efficient?

A

Sound
Friction
Heat

33
Q

What is the formula for resistance?

A

R=V/I

34
Q

What is the formula for current?

A

I=V/R

35
Q

What is a primary source?

A

A cell that cannot be recharged

37
Q

What is a secondary source?

A

W cell that can be recharged

38
Q

What is an Ampere?

A

A measure fo electricity

39
Q

What is an Ammeter?

A

A measuring instrument used to measure the electric current in a circuit

40
Q

What is an insulator?

A

A material whose internal electric charges do not flow freely, and therefore does not conduct electricity

41
Q

What is a conductor?

A

An object or type of material which permits the flow of electric charges in one or more direction (s)

42
Q

What is a Circuit?

A

The theory of accomplishing work by routing electrons, gas, fluids, or other matter through loops

43
Q

What is a Load?

A

power consumed by a circuit

44
Q

What is Voltage?

A

Potential difference expressed in volts

45
Q

What is a Volt?

A

Unit for measuring electricity

46
Q

What is Potential Difference?

A

The difference in energy in two locations

47
Q

What is a voltmeter?

A

An instrument for measuring electric potential in volts.

Science 9 (6 decks)

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