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9th grade science final exam > review for science > Flashcards

review for science Flashcards

1
Q

solution that resist changes in PH

A

buffer

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2
Q

atom that gains electrons in a reaction

A

reduced

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3
Q

liquid substance that contains ions and can conduct electricity

A

electrolytes

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4
Q

coating an object with a thin coating of metal using electrolysis

A

electroplating

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5
Q

non-rechargeable electro­chemical cell in which a chemical reac­tion produces electricity

A

voltaic cell

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6
Q

electrochemical cell that can be recharged with electricity from an outside current source

A

storage cell

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7
Q

type of electrochemical cell designed to have the reactants continually replenished from an outside source

A

fuel cell

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8
Q

study of compounds containing carbon

A

organic chemistry

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9
Q

substances contains only carbon and hydrogen

A

hydrocarbons

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10
Q

these are hydrocarbons with at least 1 triple bond

A

alkynes

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11
Q

aromatic compounds

A

delocalized electrons, stick like structure, not a distinct smell

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12
Q

-COO- which group does it belong in

A

esters

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13
Q

-OH what group is it in

A

hydroxyl group. alcohol

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14
Q

salt containing carboxyl ion

A

soap

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15
Q

hydrocarbons containing one or more double bonds between atoms

A

Alkenes

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16
Q

organic compound with one or more hydrogen atoms replaced by -OH

A

alcohol

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17
Q

functional group -COOH found in carboxylic acids

A

carboxyl group

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18
Q

organic compound con­taining the functional group –COOH

A

carboxylic acids

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19
Q

huge organic molecule composed of many smaller molecules linked together

A

polymer

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20
Q

work equation

A

work=force x distance

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21
Q

pressure equation

A

pressure=force divided by area

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22
Q

wavespeed equation

A

wavelength x frequency

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23
Q

Boyle’s law

A

P1P1=P2P2

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24
Q

charles law

A

v1/t1 = v2/t2

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25
ohm's law
V=IR
26
orderly process by which scientist study the nature
scientific method
27
every effect has a cause
principle of causality
28
study of reasoning
logic
29
any organic compound similar to soaps but capable of cleaning even in hard water
detergent
30
study of the matter and movement of God’s physical creation
science
31
orderly process by which scientists investigate the secrets of nature
scientific method
32
principle stating that events observed in the universe have rational causes and that the same cause will always have the same effect
principle of causality
33
study of reasoning
logic
34
the conclusion logically follows from its premises but one of the premises includes the assumption that the conclusion is true
circular reasoning
35
attacks the person making an argument instead of challenging the person’s facts, premises, or reasoning
ad hominem fallacy
36
model of a design that is used for testing
prototype
37
study of non living creation
physical science
38
the ability to do work
energy
39
changes the type of substance you're dealing with
chemical change
40
study of matter and energy and the interactions occurring between them
physics
41
study of the composition and interactions between matter and energy
chemistry
42
the language of science
mathematics
43
most important part of equation
equal sign
44
collection of compatible, related units that can be used to measure such quantities as length, mass, weight, or volume
system of measurement
45
modification of the metric system with meticulously defined standards
SI system
46
lowest possible temperature
absolute zero
47
branch of physics developed since the 1900s
modern physics
48
branch of physics developed before 1900s
classical physics
49
has both magnitude and direction
vector
50
change in position divided by time
velocity
51
states that for every reaction there is an equal and opposite reaction
third law of motion
52
velocity at which the magnitude of drag equals an object’s weight, stopping the object from speeding up
terminal velocity
53
device for doing work
machine
54
time rate of doing work
power
55
attraction between atoms or molecules of the same substance
cohesion
56
attraction between molecules of different substances
adhesion
57
device using a confined liquid to multiply force
hydraulic press
58
empty space with no matter
vacuum
59
upward force exerted by a fluid on a solid object placed in the fluid
buoyancy
60
kinetic energy
energy of motion
61
energy associated with the position of an object and the forces acting upon it
potential energy
62
(symbol J) SI unit of work and energy
joule
63
(symbol m) metric / SI base unit of length
meter
64
(symbol Ω) unit of resistance
ohm
65
(symbol Pa) SI unit of pressure
pascal
66
(symbol N) SI unit of force and weight
newton
67
weakest of the four fudamental forces
gravitational force
68
which fundamental force is responsible for most other forces in the universe
electromagnetic force
69
strongest fundamental force
strong nuclear force
70
device designed to measure the heat involved in physical and chemical changes
calorimeter
71
device that automatically regulates temperature
thermostat
72
form of heat transfer that can happen in a vacuum
radiation
73
regions of concentrated magnetism
poles
74
what states that unlike poles attract and like poles repel
law of magnetic poles
75
lines that map out magnetic field
lines of flux
76
lines that indi­cate the direction and strength of an electric field
lines of force
77
most important cause of magnetism
electron spin
78
navigational device
magnetic compass
79
imaginary line that circles the earth
magnetic equator
80
most common generator used today
van de graaff
81
where does charge move on an object
outside
82
simple device that moves back and forth
solenoid
83
electrical switch operated by electrical magnet
relay
84
most important device for converting energy to motion
electric motor
85
one or more electrochemical cells connected to terminals as a single source of current
battery
86
ability of magnetism to convert mechanical motion into electric current
electromagnetic induction
87
device that uses electro­magnetic induction to produce electricity
generator
88
device that increases and decreases voltage
transformer
89
branch of studying electricity that deals with electrons in motion in a vacuum
electronics
90
not a good conductor or insulator
semi conductor
91
semiconductor device that can perform the same functions as a vacuum­ tube triode
transistor
92
device consisting of a sin­gle piece of semiconductor containing an entire electronic circuit
integrated circuit
93
device that processes information using electronic circuits
computer
94
three reasons why integrated circuits are better
1. cheaper 2. smaller 3. more reliable
95
pieces of information
data
96
used by mod­ern digital computers to represent data
binary
97
physical components of a computer
hardware
98
brain of computer
cpu

9th grade science final exam (2 decks)

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