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IPS > Final > Flashcards

Final Flashcards

1
Q

the study of nature

A

science

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2
Q

the study of matter and energy

A

physical science

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3
Q

anything that has mass and volume (takes up space)

A

matter

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4
Q

the ability to do work or cause change

A

energy

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5
Q

the amount of matter in an object

A

mass

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6
Q

the transfer of energy in which a force is put on an object and the object moves in the direction of the force

A

work

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7
Q

a set of steps used to solve a problem

A

scientific method

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8
Q

an educated guess made from previous observations and knowledge

A

hypothesis

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9
Q

the amount of space an object takes up

A

volume

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10
Q

any factor that can make a change in the results of an experiment

A

variable

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11
Q

the application of science to help people

A

technology

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12
Q

an explanation of an event based on observations and experiment

A

theory

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13
Q

a statement that tells what happens in an event

A

law

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14
Q

the measure of the average kinetic energy of the atoms in an object

A

temperature

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15
Q

the mass per unit volume of a material

A

density

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16
Q

something created to represent an idea

A

model

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17
Q

a visual display of information used to explain an idea or concept

A

graph

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18
Q

the distance an object travels over a period of time

A

speed

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19
Q

the distance an object travels over time and the object’s direction

A

velocity

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20
Q

the change of velocity of an object over time

A

acceleration

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21
Q

the acceleration of a falling object due to gravity in a vacuum

A

g

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22
Q

s property of an object based on the object’s mass and velocity

A

momentum

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23
Q

any object thrown/shot through the air

A

projectile

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24
Q

a force between any objects dependent on the mass of the objects

A

gravity

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25
Q

a downward force on all objects

A

gravity

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26
Q

any push or pull on an object

A

force

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27
Q

equal forces but opposite in directions (net force will be 0)

A

balanced force

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28
Q

a force that is greater in once direction (net force will be greater than zero)

A

unbalanced force

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29
Q

the sum of all forces acting on an object

A

net force

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30
Q

the force that opposes the motion between 2 surfaces in contact

A

friction

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31
Q

an area without air

A

vacuum

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32
Q

the friction caused by the force of air acting on an object opposing the object’s motion

A

air resistance

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33
Q

the highest velocity a falling object will reach due to the forces of gravity and air resistance becoming balanced

A

terminal velocity

34
Q

the resistance of an object to any change in its motion

A

intertia

35
Q

What is often talked about with Newton’s 1st law of motion

A

intertia

36
Q

when an object falls without air resistance

A

free-fall

37
Q

the measurement of gravitational force on an object’s mass

A

weight

38
Q

a force from the center that makes an object move in a curved or circular path

A

centripetal force

39
Q

a device used to make work easier

A

machine

40
Q

the rate at which work is done

A

power

41
Q

a measure of how much work put into a machine is changed into useful work output by the machine

A

efficiency

42
Q

a theoretical machine in which the amount of work you put into the machine is equal to the amount of work you get out of the machine

A

ideal machine

43
Q

a machine’s ability to make work easier by making Fout greater than Fin

A

mechanical advantage

44
Q

the energy of an object due to the object’s motion

A

Kinetic energy

45
Q

the energy of an object at rest, or energy stored by an object

A

potential energy

46
Q

a unit that measures the energy in food

A

calorie

47
Q

the total energy of an object, including both kinetic(temperature) and potential(mass)

A

thermal energy

48
Q

the production of energy from the splitting of a uranium nuclei

A

nuclear fission

49
Q

the production of energy from the collisions between the nuclei of atoms

A

nuclear fusion

50
Q

energy sources found within the earth formed from the decay of plants and animals millions of years ago

A

Fossil fuels

51
Q

energy resources that can be produced as quickly as they are used

A

renewable energy resources

52
Q

resources that are used up quicker than they can be made

A

non-renewable energy resources

53
Q

devices that convert light energy to electricity

A

photovoltaic cells

54
Q

where do you see photovoltaic cells

A

solar calculators

55
Q

What is Newton’s 1st Law

A

an object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside force

56
Q

What is Newton’s 2nd Law

A

the amount of acceleration an object has depends on the force put om an object and the object’s mass

57
Q

What is Newton’s 3rd Law

A

for every action force there is an equal but opposite reaction

58
Q

State the law of conservation of energy

A

the law of conservation of energy states that energy can not be created or destroyed, only converted from one form of energy to another

59
Q

What is the SI unit for length

A

meter (m)

60
Q

What is the SI unit for mass

A

Kg

61
Q

What is the SI unit for volume

A

mL or cm^3

62
Q

What is the SI unit for density

A

g/mL or g/cm^3

63
Q

What is the SI unit for time

A

seconds (s)

64
Q

What is the SI unit for temperature

A

kelvin (K)

65
Q

What is the SI unit for speed

A

m/s

66
Q

What is the SI unit for acceleration

A

m/s^2

67
Q

What is the SI unit for force

A

Newtons (N)

68
Q

What is the SI unit for weight

A

Newtons (N)

69
Q

What is the SI unit for work

A

Joules (J)

70
Q

What is the SI unit for energy

A

Joules (J)

71
Q

What is the SI unit for power

A

Watt (W)

72
Q

What is the speed formula

A

s=d/t

73
Q

What is the acceleration formula

A

a=∆V/t or a=F/m

74
Q

What is the momentum formula

A

p=mxv

75
Q

What is the force formula

A

F=mxa

76
Q

What is the weight formula

A

w=mxg

77
Q

What is the power formula

A

P=w/t

78
Q

What is the work formula

A

w=Fxd

79
Q

What is the efficiency formula

A

Eff=Wout/Win

80
Q

What is the mechanical advantage formula

A

Ma=Fout/Fin

81
Q

What is the Volume formula

A

V=lxwxh

82
Q

What is the density formula

A

D=m/v

IPS (21 decks)

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