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Science Flashcards

1
Q

Which mandate call us to use wise dominion over the earth?

A

Creation Mandate

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2
Q

Which Great Commandment is tat we love God with all our heats, souls, and minds?

A

1st

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3
Q

The goal of a model is no accuracy, but ______, or functionality/applicabilty.

A

Workability

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4
Q

Things or events observed to exist or occur are called what?

A

Phenomena

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5
Q

What are the results of a tested and proven theories?

A

Laws

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6
Q

The study of matter and energy and how those interact is called what?

A

Physics

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7
Q

The lens through which someone views the world is a _____?

A

Worldview

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8
Q

What is a simple representation of a more complex idea called?

A

Model

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9
Q

The study of the structure, composition, and properties of matter and how matter acts in the presence of other matter is known as:

A

Chemistry

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10
Q

Which type of science develops new technologies, producrts, materials?

A

Applied Science

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11
Q

The process of mixing by particle motion is known as what?

A

Diffusion

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12
Q

what is the building block of all matter?

A

Atoms

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13
Q

The number of _____ determines the type of atom and its atomic number.

A

Protons

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14
Q

Because gasses and liquids have the ability to flow they are classified as what?

A

Fluids

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15
Q

A change from a liquid to a solid is called what?

A

Freezing

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16
Q

Which is located in the nucleus of an atom?

A

Nuetrons

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17
Q

Which type of mixture contains large clumps of distinctly different kinds of matter?

A

Heterogeneous

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18
Q

Which type of changes alters the electron structure of atoms?

A

Chemical

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19
Q

What occurs when thermal energy is lost from a vapor through cooling?

A

Condensation

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20
Q

Matter that contains only one kind of atom or fixed ratio of different atoms is a _____?

A

Pure Substance

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21
Q

The S.I.’s base unit for measurement is the what?

A

Meter

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22
Q

Any artificial device made for the purpose of refining, extending, or substituting for the human senses when measuring is known as an:

A

Instrment

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23
Q

Which country established the decimal metric system?

A

France

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24
Q

What is the assessment of the measurement error?

A

Accuracy

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25
Q

The two parts of measured data are the number and the ______.

A

Unit

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26
Q

Which indicates the amount of matter in an object and the effect of gravity?

A

Weight

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27
Q

300 km has how many significant digits?

A

1

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28
Q

9300.4 m has how many significant digits?

A

5

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29
Q

The formula for speed is:

A

s=d/t

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30
Q

Vectors are typically represented by:

A

Arrows

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31
Q

The formula for acceleration is:

A

a=^v/^t

^ is supposed to be delta, meaning a change in time

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32
Q

Which quantity indicates how fast motion occurs?

A

Distance

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33
Q

Everything inside the boundaries of what we study is known as the what?

A

System

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34
Q

The modern study of motion is called what?

A

Mechanics

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35
Q

What is the S.I. Unit for force?

A

Newton

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36
Q

Who developed the 3 laws of motion?

A

Newton

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37
Q

Which law states that objects at rest tend to stay at rest?

A

The law of inertia

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38
Q

What force surrounds magnets and materials with electricity flowing through them?

A

Magnetic

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39
Q

What force opposes motion?

A

Friction

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40
Q

What is the gravitational acceleration of objects on earth at sea level?

A

9.81 m/s2

2 means sqaured

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41
Q

Which law of motion states that for every action, there is an opposite but equal reaction?

A

The law of action-reaction

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42
Q

Air resistance is a form of friction called what?

A

Drag

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43
Q

Objects that fall due to gravity alone with no other forces acting on the are in what?

A

Free fall

44
Q

When an objects velocity is constant for the remainder of its fall, the object has reached what?

A

Terminal Velocity

45
Q

What are the 2 types of energy?

A

Potential and kinetic

46
Q

What is done when an object moves through a distance because of a force acting on it?

A

Work

47
Q

Systems that consist of lone individual particles acting as a single object may have what?

A

Mechanical energy

48
Q

What type of energy is the energy of an object due to its physical positions?

A

Mechanical potential energy

49
Q

The position from which the distance traveled is measured is called the what?

A

Zero reference position

50
Q

The sum of the kinetic energies of all particles in an object is its what?

A

Thermal energy

51
Q

The transmission of energy through matter by particle oscillations that occur in a specific direction is called what?

A

Thermal energy

52
Q

What is the potential energy stored in chemical bonds called?

A

Chemical energy

53
Q

What type of energy is associated with the nucleus of an atom?

A

Nuclear energy

54
Q

The largest potential source of energy in the universe is ____, the energy equivalent to all matter itself.

A

Mass energy

55
Q

What type of collision occurs when after the collision the rebounding objects are temporarily or permanently deformed in some way?

A

Partially elastic collision

56
Q

What is the definition of energy?

A

The ability to do work

57
Q

What is the S.I. Unit for energy

A

Joules

58
Q

What does the law of the conservation of energey state?

A

Energy can neither be created nor destroyed

59
Q

What is the S.I. unit of power?

A

The watt

60
Q

When a firce acts on an object to move it in a direction parallel to the force vector ______ occurs.

A

Mechanical work

61
Q

The force needed to begin moving the resistence is the:

A

Resistance Force

62
Q

The force actully exerted on the simple machine is called the:

A

Effot force

63
Q

Simple machines compensate for a smaller effort forceby exerting that for over a longer distance, a property called ______.

A

Distance principle

64
Q

When a seesaw is balanced and has no tendancy to teeter about the fulcrum, it is in a state of _____ _______.

A

Rotational Equilibrium

65
Q

A ______ is a modiefied wheel and axle.

A

Gear

66
Q

A pulley mounted on a fixed support is called a:

A

Single fixed pulley

67
Q

What is a 2D tilted surface that allows a resistence load to be moved from a lower position to one that is higher with less effort?

A

Inclined plane

68
Q

what is a fastene that exerts a large amount of force to hold objects together?

A

Screw

69
Q

In the U.S. screws are usually classified by their:

A

Thread count

70
Q

What is power?

A

The rate at which work is measured

71
Q

What isthe formula for power?

A

p=w/^t

^ means delta, a change in time

72
Q

Examples of an inclined plane.

A

Stairs, Screw, Ramp

73
Q

Examples of a wedge.

A

Door-stop, Axe

74
Q

What is a pitch?

A

An inclined plane

75
Q

What are cylindrical screws with closely spread threads called?

A

Bolts

76
Q

Why are gasses and liquids both fluids?

A

They have the ability to float

77
Q

What is a factor that can affect fluid pressure?

A

Depth

78
Q

Objects weigh less in water when they are what?

A

Not immersed

79
Q

Why do fluids flow?

A

Beause the particles do not change and the pressure changes

80
Q

The pressure on a surface is a ratio of force to what?

A

Area

81
Q

Wht is the property of fluids tha states pressure is exerted equally in all directiions on a body of water?

A

Fluid pressure

82
Q

Water presure due to depth alone is called what?

A

Hydrostatic pressure

83
Q

What device is used to measure atmospheric pressure?

A

Barometer

84
Q

The lifting force that is responsible for ships floating is known as what?

A

Buoyant force

85
Q

What is the science of the transmission of forces and energy by liquids called?

A

Hydraulics

86
Q

The physics of flowing fluids is known as what?

A

Pneumatics

87
Q

A pressure sensing instrument uses a C-shaped sealed tube detector called what?

A

Bourdon tube

88
Q

Objects that sink are what?

A

Negatively buoyant

89
Q

A hydraulic pump works using what scientific principle?

A

Pascals principle

90
Q

What is the study of how fluids flow and how forces and energy are transmitted through?

A

Fluid mechanics

91
Q

Describe pascals principle

A

Changes of pressure on the surface of a confined fluid are exerted equally throughout the fluid and at all points on the fluids container

92
Q

What is Bernoulies principle?

A

An inviscid flow of a nonconducting fluid, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid’s potential energy.

93
Q

What is Boyle’s law?

A

A gas law, stating that the pressure and volume of a gas have an inverse relationship, when temperature is held constant.

94
Q

What is Charles’s law?

A

An experimental gas law which describes how gases tend to expand when heated.

95
Q

Who developed the caloric theory?

A

Antione Lavoiser

96
Q

The sum of all the energies inside a substance us called its what?

A

Internal energy

97
Q

The temperature of a substance is directly related to what kind of average energy of its atoms?

A

Kinetic enrergy

98
Q

Substances that are typically good conductors of electricity are also good conductors of what?

A

Heat

99
Q

The gaps in bridges are there for what?

A

Thermal expansion

100
Q

Early scientist believed that heat was actually a fluid called what?

A

Caloric

101
Q

Temperature is measured in a dimensional unit called what?

A

Degree

102
Q

On what scale is water’s boiling point 212 degree?

A

Farenheit

103
Q

What scale includes absolute zero?

A

Kelvin

104
Q

The flow of thermal energy frim one place to anither is called what?

A

Heat

105
Q

Heat transfer through direct contact is ….

A

Conduction

106
Q

Heat via electromagnetic waves is known as ……

A

Radiation

107
Q

Heat transfer via fluid is what?

A

Convection

Final (5 decks)

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