Final Vocabulary Review
Physical Science 2012
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www.CrosswordWeaver.com
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ACROSS
2 -(3 words) law that states that
energy can never be created or
destroyed, only transformed into
another form. The total amount of
energy in the universe is constant.
4 - a measure of the steepness of a
line. The ratio of the rise (vertical
change) to the run (horizontal
change) of a line on a graph.
7 - refers to the smallest interval that
can be measured.
10 - a push or pull, or any action that
involves the interaction of objects
and has the ability to change
motion.
11 - (2 words) a variable one believes
may influence another variable.
12 - a factor that may influence the
outcome of an investigation.
13 - (2 words) in an experiment, a
variable that is changed by the
experimenter and/or causes
changes in the dependent
variable.
14 - (2 words) an unpowered
mechanical device that
accomplished a task with only one
movement
16 - a variable which gives direction
information included in its value.
18 the amount of space "taken up" by
matter.
24 - (2 words) the frequency at which
a system oscillates when
disturbed.
25 - the mass per unit volume of a
given material. Density is often
expressed by using the following
units: kg/m3, g/mL, or g/cm3.
26 - (2 words) combined forces that
result in a zero net force on an
object.
29 - the time it takes for each
complete cycle.
32 - a unit of mass smaller than a
kilogram.
33 - a form of energy that comes from
force applied over distance.
40 - a determination of something
that typically has a number value
and a unit that tells you what the
number value means.
41 - a fixed amount of something, like
a centimeter (cm) of length.
42 -Newton's law of motion that
states that acceleration is the
force divided by mass.
46 - describes evidence that can be
seen independently by others if
they repeat the same experiment
or observation in the same way.
50 - one of many natural frequencies
of an oscillator.
51 -(2 words) the forces that result in
a net force on an object and can
cause changes in motion.
52 - a visual representation of data.
54 - a physical system that has
repeating cycles.
56 - (2 words) a relationship in which
one variable increases with an
increase in another variable.
60 - how often something repeats,
expressed in hertz (Hz).
61 - SI unit of force (N).
63 - the state in which the net force
on an object is zero.
66 - the unit of frequency equal to
one cycle per second.
68 - a form of energy that is related to
motion or position. Potential and
kinetic energy are examples.
74 - (2 words) the work that is done
on an object.
75 - (2 words) a method of using
conversion factors and unit
canceling to solve a unit
conversion problem.
76 - how close a measurement is to
an accepted or true value.
78 - the property of an object that
resists changes in its motion.
79 - the pivot point of a lever.
80 - the rate at which velocity
changes.
81 - a form of potential energy that is
stored in molecules.
82 - the rate of doing work or moving
energy.
84 -(2 words) measurement system
used for everyday measurements
in the United States.
85 - a graph of two variables thought
to be related.
86 - a unit of energy. Equal to
enough energy to push with a
force of 1newton for a distance of
1 meter.
87 - a unit of power equal to one joule
per second.
88 - (2 words) a relationship in which
one variable decreases when
another variable increases.
89 - (2 words) a wave that is confined
in a space.
90 - (2 words) in an experiment, a
variable that responds to changes
in the independent variable.
DOWN
1 - a device that swings back and
force due to the force of gravity.
3 - (2 words) the set of rules that are
obeyed by every detail of
everything that occurs in the
universe.
5 - a measure of the distance
between two points.
6 - the energy of motion.
8 - the energy due to position.
9 - (2 words) the ratio of output force
divided by the input force.
15 - the mass of an object multiplied
by its velocity.
16 - a variable that tells you both
speed and direction
17 -(3 words) a law that states that as
long as interacting objects are not
influenced by outside forces, the
total amount of momentum is
constant.
19 - Newton's law of motion that
states that an object at rest will
stay at rest and an object in
motion will stay in motion with the
same velocity unless acted on by
an unbalanced force.
20 - a quantity that describes the
ability of an object to change or
cause changes.
21 - a force that resists motion.
22 - SI unit for distance.
23 - a small group of objects, effects,
and variables that are related.
27 -(2 words) the total distance
divided by the total time for a trip.
28 - (2 words) the variable one
believes is influenced by the
independent variable
30 - the amount of space between
two points.
31 -(2 words) the variable that is kept
constant in an experiment.
34 - the lowest natural frequency of
an oscillator.
35 - (2 words) the forces, energy, or
power provided by the machine.
36 -a measure of the pulling force of
gravity.
37 - a force that comes from gravity
pulling down on any object with
mass.
38 - a scientific explanation supported
by a lot of evidence collected over
a long period of time.
39 - a variable that gives your location
relative to an origin.
40 - the amount of matter an object
contains.
43 -a device with moving parts that
work together to accomplish a
task.
44 - (2 words) the forces, energy, or
power supplied to make a
machine accomplish a task.
45 - a form of energy that is
represented by the
electromagnetic spectrum.
47 - a unit of motion that repeats.
48 - (2 words) a type of motion that
repeats in cycles.
49 - (2 words) the sum of all forces
acting on an object.
53 - the basic SI unit of mass.
55 - (2 words) the variable that is
changed in an experiment; also
called independent variable.
57 - Newton's law of motion that
states that for every actions force
there is a reaction force equal in
strength and opposite in direction.
58 - (2 words) the actual speed of a
moving object at any moment,
often changes constantly.
59 - International System of
measurement used by most
countries around the world for
everyday measurements; and
used by the scientific community
worldwide.
62 - (2 words) meaningful digits in a
measured quantity.
64 - describes how close together or
reproducible repeated
measurements are.
65 - the metric unit of force, equal to
the force needed to make a 1 kg
object accelerate at 1 m/s2.
67 - a place where the position has
been given a value of zero.
69 - the ratio of usable output work
divided by the total input work
70 - a situation specifically set up to
investigate relationships between
variables.
71 - a form of energy that is stored in
the nuclei of atoms.
72 - (2 words) the work that an object
does as a result of work input.
73 - a possible explanation that can
be tested by comparison with
scientific evidence.
77 - the amount that a cycle moves
away from equilibrium.
83 - describes how quickly an object
moves, calculated by dividing the
distance traveled by the time it
takes.