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IPS > Vocab Finals > Flashcards

Vocab Finals 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

A

matter

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4
Q

the ability to do work or cause change

A

energy

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5
Q

amount of matter in an object

A

mass

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6
Q

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

A

work

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7
Q

set of steps used to solve a problem

A

scientific method

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8
Q

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 result of an experiment

A

variable

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11
Q

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

statement that tells what happens in an event

A

law

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14
Q

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

A

temperature

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15
Q

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

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 objects 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

g is

A

the acceleration of a falling object due to gravity in a vacuum (9.8 m/s2)

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22
Q

a 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 air

A

projectile

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24
Q

is a force between any objects dependent on the mass of the objects often defined as a downward force on all objects

A

gravity

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25
Q

push or pull on an object

A

force

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26
Q

is equal forces but in opposite direction (net force=0)

A

balanced force

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27
Q

is a force that is greater in one direction

A

unbalanced force

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28
Q

is the sum of all forces acting on an object

A

net force

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29
Q

is the force that opposes the motion between 2 surfaces in contact

A

friction

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30
Q

an area without air

A

vacuum

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31
Q

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

A

air resistance

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32
Q

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

A

terminal velocity

33
Q

is the resistance of an object to any change in its motion

A

inertia

34
Q

is when an object falls free without air resistance

A

free fall

35
Q

the measurement of gravitational force on an object’s mass

A

weight

36
Q

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

A

centripetal force

37
Q

is a device used to make work easier

A

machine

38
Q

is the rage at which work is done

A

power

39
Q

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

A

efficiency

40
Q

theoretical machine in which the (Win)amount of work put into the machine is equal to the amount of (Wout) work you get out of the machine. (Win=Wout)

A

ideal machine

41
Q

a machine’s ability to make work easier by making output force(four) greater than input force(Fin)

A

mechanical advantage

42
Q

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

A

Kinetic Energy

43
Q

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

A

potential energy

44
Q

is a unit that measures the energy in food

A

calorie

45
Q

is the total energy of an object, including both kinetic and potential

A

thermal energy

46
Q

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

A

nuclear fusion

47
Q

the production of energy from the splitting of a uranium nuclei

A

nuclear fission

48
Q

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

A

fossil fuels

49
Q

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

A

renewable energy resource

50
Q

resources that are used up quicker than they can be made

A

non renewable energy resource

51
Q

are devices that convert light energy to electricity

A

photovoltaic cells

52
Q

“SI” unit for length

A

meters(m)

53
Q

“SI” unit for mass

A

kilogram (kg)

54
Q

“SI” unit for volume

A

cm3 for solid
mL or L for liquid

55
Q

“SI” unit for density

A

g/cm3 for solid
g/mL for liquid

56
Q

“SI” unit for time

A

seconds (s)

57
Q

“SI” unit for temperature

A

kelvin (K)

58
Q

“SI” unit for speed

A

meter per second (m/s)

59
Q

“SI” unit for acceleration

A

meter per second squared (m/s2)

60
Q

“SI” unit for force

A

Newton (N)

61
Q

“SI” unit for weight

A

newton (N)

62
Q

“SI” unit for work

A

joules (J)

63
Q

“SI” unit for energy

A

joules (J)

64
Q

“SI” unit for power

A

watt (w)

65
Q

Law of conservation of energy

A

energy cannot be created not destroyed only transformed

66
Q

Newton’s first law of motion

A

an object in motion stays in motion and an object at rest stays at rest unless acted on by an outside forve

67
Q

Newton’s second law of motion

A

the amount of acceleration depends on the size of the amount of force

68
Q

Newton’s third law of motion

A

for every action force there is an equal but opposite reaction force

69
Q

speed formula

A

s= d/t

70
Q

acceleration formula

A

a= change in velocity over time

a=final velocity—initial velocity
———————
time

71
Q

momentum formula

A

p=mass x volume

72
Q

force formula

A

f=mass x acceleration

73
Q

weight formula

A

w=mass x g(9.8)

74
Q

power formula

A

p=work/time

75
Q

work formula

A

w=force x distance

76
Q

efficiency formula

A

wout/win x 100

77
Q

mechanical advantage formula

A

ma= fout/fin

78
Q

density formula

A

m/v

79
Q

volume formula

A

length x width x height

IPS (10 decks)

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