Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

8th Grade 2nd Semester > Science 1 > Flashcards

Science 1 Flashcards

1
Q

what is an ionic substance

A

metal mixed with something that isn’t a metal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

definition of static

A

electron build up (lightning) naturally occuring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

definition of current

A

free flowing electrons always manmade

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what do protons make up

A

the character of the atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what do electrons provide

A

electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is a conductor

A

a substance that allows electrons to pass through easily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

is there such thing as a perfect insulator or conductor

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

example of a conductor

A

metal ionic substance in H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is an insulator

A

a substance that does not allow the passage of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

example of an insulator

A

air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

example of a ressistor

A

computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what does an ionic substance in water do

A

conducts a ton of electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

do protons move

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is physics

A

the study of energy motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

electricity is

A

the movement of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

couloms are

A

lots of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

proton mass

A

1 amu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

proton charge

A

+1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

proton location

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

proton function

A

confers identity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

neutron mass

A

1 amu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

neutron charge

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

neutron location

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

neutron funtion

A

creates stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

electron mass

A

0 amu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

electron charge

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

electron location

A

electron cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

electron function

A

reactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

how many electrions are in a coulom

A

6250000000000000000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

positive charge

A

electron loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

negative charge

A

electron gain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

is static DC or AC

A

DC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

is static electricity naturally occuring

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

what is EPD

A

electrical potential difference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

what is EPD measured in

A

charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

what does EMF stand for

A

electromotive force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

how is EMF charged

A

volts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

what does a triboelectric scale, electroscope, and vande Graaff generator do

A

determines what matter gains E and loses E

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

what do all electrons want

A

to go to the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

first step of friction

A

build up of E

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

second step of Friction

A

EPD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

third step of friciton

A

EMF (discharge, voltage, lightening)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

describe friction

A

discharge within cloud between negative and positive top

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

describe Electric potential difference

A

is created when typical lightening hits the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Describe EMF

A

pulls electrons out of clouds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

what is resistance

A

the ability of an object to slow doesn electrons (measured in Ohms)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

what is voltage

A

the force that pushes electrons measures in volts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

what is current

A

the speed of coulumbs per second (measured in AMPS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

direct relationship

A

both numbers move in the same direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

indirect relationship

A

the numbers move in different directions

51
Q

describe the parts of the atoms

A

the nucleus has protons and neutrons in the middle, it is surronded by an electron shell

52
Q

how are electrons measured

A

voltmeter

53
Q

how is charge measured

A

amenmeter

54
Q

Luigi Galvani

A

facts: lived in italy, he was a priest but when to medical school
contribute: bioelectrongensis, nerve carried electricity, frankenstein

55
Q

energy is anything that causes…

A

motion

56
Q

electrons exist in a….

A

cloud

57
Q

electrons are positive or negative

A

negative

58
Q

conductor example

A

metals and ionic substances in water

59
Q

do protons move

A

no

60
Q

give an example of static

A

lightenting

61
Q

example of current

A

outlets

62
Q

count alessandro Guiseppe Antonio

A

fact: emperor napolean made him a count, discovered methane, born in como
Contribute: modern battery

63
Q

what does static mean

A

stopped/build up of electrons

64
Q

what does current mean

A

flow

65
Q

what is EPD measured in

A

charge

66
Q

what is EMF measured in

A

volts

67
Q

all matter is —- charged

A

neutrally

68
Q

what is a triboelectric scale

A

what determines what matter gains electrons and loses electrons

69
Q

what is an electroscope

A

what determines how many electrons are on a charged surface

70
Q

what is a van de Graff generator

A

it generates static

71
Q

charge

formula symbol:
measured in:
unit symbol:

A

q
coulombs
C

72
Q

current

formula symbol:
measured in:
unit symbol:

A

I
amps
A

73
Q

voltage

formula symbol:
measured in:
unit symbol:

A

V
Volts
V

74
Q

resistance

forumula symbol:
measured in:
unit symbol:

A

R
Ohms
O thing

75
Q

what is resistance?

A

the ability of an object to slow down

76
Q

what is current?

A

the speed of coulombs per second

77
Q

what is voltage?

A

the force that pushes electrons measured in volts

78
Q

energy

Formula symbol:
measured in:
unit symbol:
Notes:

A

E
Watt Hours
Wh
can be KwH

79
Q

power

Formula symbol:
measured in:
unit symbol:
Notes:

A

P
Watts
W
energy over time

80
Q

time

Formula symbol:
measured in:
unit symbol:
Notes:

A

T
hours
h
be sure to convert

81
Q

cost

Formula symbol:
measured in:
unit symbol:
Notes:

A

c
dollars
$

82
Q

rate

Formula symbol:
measured in:
unit symbol:
Notes:

A

R
dollars per KwH
$/KwH

83
Q

what is this

A

emf source

84
Q

what is this

A

wire

85
Q

what is this

A

switch

86
Q

what is this

A

resistor

87
Q

what is this

A

light bulb

88
Q

what is this

A

voltmeter

89
Q

what is this

A

ammeter

90
Q

what is this

A

motor

91
Q

what is this

A

fuse

92
Q

what is this

A

circuit breaker

93
Q

georg Simon Ohm

A

built electric circuitry after the girl - V=IR
science teacher

94
Q

do all pathways get the same voltage in a parellel circuit

A

yes

95
Q

what happens in a parellel circuit

A

ressistance decreases, current increases

96
Q

difference between a fuse and a circuit breaker

A

fuse: one time use, uses heat, cheap, easy to install, triggered by current
circuit breaker: measures current, ammeter + switch, expensive, proffesional installation

97
Q

what is a ammeter

A

measures the speed of electrons in a circuit
no resistance
must be connected in series

98
Q

what is a voltmeter

A

measures the force of electrons in a circuit
has lots of resistance
must be connected in parellel

99
Q
A
99
Q

resistance and current of a series circuit

A

resistance increased
current decreased

100
Q

what do all circuits require

A

a conductor
a EMF source
a resistor

101
Q

closed circuit

A

a continious path of electrons

102
Q

open circuit

A

a break in the path of electrons

103
Q

switch

A

a reusable break in the circuit

104
Q

what is DC

A

the electrons go in one direction the whole time

105
Q

what is AC

A

electricty comes from both sides of the wire
cycelic flow of electrons

106
Q

what are the principles of electromagnetism

A

electricity will effect a magnetic feild
passing a wire through a magnetic feild
coils move through pass

107
Q

Thomas Edison

A

DC power is a river flowing
AC power is used for evil power electrons

108
Q

explain a generator

A

a magnet wrapped in coils is spun really fast

109
Q

where does electricity come from

A

generators (220) go to high voltage wires (23,000) go to substations (7360) go to transformer (120)

110
Q

energy is the amount of energy used…

A

in a certain amount of time

111
Q

George WestingHouse

A

thought DC was dangerous was is war of currents

112
Q

Tesla

A

created AC current

113
Q

what are the electrical components of the body

A

nerves, brain, spinal cord, heart and muscle

114
Q

how is electricity generated in the body

A

by ionoic imbalances on the plasma membrane

115
Q

label the neuron

A
116
Q

what is important to remember about the neuron

A

it only moves dendrite to axon

117
Q

what is a schwann cell made of

A

myelin

118
Q

what is an ion

A

a atom with a charge

119
Q

label the synapse

A
120
Q

where do all electrical impulses begin

A

from the brain and they travel down the spinal cord to the nerves

121
Q

where do reflexes originate

A

in the spinal cord and do not involve the brain

122
Q

where do cardiac originate

A

the nodes of the heart generate their own elecrical impulses

8th Grade 2nd Semester (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions