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Motion, Force and Models
Vocabulary words for the FOSS module "Motion, Force and Models"
67
Science
5th Grade
02/23/2013

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Term
accelerate
Definition
to change an object’s speed
Term
analyze
Definition
to study and examine
Term
black
Definition
box a system in which structure and behavior are not completely understood
Term
bob
Definition
a mass at the end of a pendulum
Term
catapult
Definition
a type of leaf spring
Term
coil
Definition
spring the type of spring used in a spring scale
Term
collaboration
Definition
the sharing of ideas and solutions when working together
Term
collide
Definition
to come into contact with another object
Term
collision
Definition
when one object hits another object
Term
compress
Definition
to bend
Term
conceptual
Definition
model an idea that describes or explains an object, a system, or an action that is not yet completely understood
Term
concussion
Definition
a brain bruise
Term
consensus
Definition
group agreement reached through observation, discussion, and the testing of ideas and evidence
Term
construct
Definition
an idea which takes the form of a description or explanation of an object, system, or action that is not yet completely understood
Term
controlled
Definition
experiment a scientific test where only one variable can change
Term
controlled
Definition
variable any variable that is not allowed to change in an experiment
Term
cosmology
Definition
the study of the structure and evolution of the universe
Term
cycle
Definition
a set of events or actions that repeats
Term
data
Definition
information collected and recorded as a result of observation
Term
dependent
Definition
variable what you find out as a result of doing an experiment
Term
design
Definition
the way something is put together
Term
energy
Definition
the ability to do work
Term
engineer
Definition
a scientist who designs ways to accomplish a goal or solve a problem
Term
evidence
Definition
data used to support claims. Evidence is based on observations and scientific data.
Term
experiment
Definition
an investigation designed to find out how variables affect outcomes
Term
flip
Definition
stick the flexible part of the flipper system which serves as the spring
Term
flipper
Definition
base the part of the flipper system that holds that flip stick in place
Term
flipper
Definition
system a model catapult used to exert a force on a mass
Term
force
Definition
a push or a pull that acts on an object
Term
friction
Definition
a force acting between surfaces passing each other; friction acts to resist motion
Term
gravity
Definition
the natural force that pulls objects toward each other. On Earth, all objects are pulled toward the center of Earth.
Term
independent
Definition
variable the variable you control the value of in an experiment
Term
kinetic
Definition
energy energy that matter has because of its motion
Term
leaf
Definition
spring a type of catapult in which the release of energy causes any object resting on one end of the lever to fly into the air, like a diving board
Term
load
Definition
the weight or resistance that a simple machine moves
Term
mass
Definition
the amount of material in something
Term
model
Definition
an explanation or representation of an object, system, or process that cannot be easily studied
Term
momentum
Definition
a measure of the motion of an object, using mass and speed
Term
motion
Definition
a change in the position of an object
Term
multiple
Definition
trials an experiment that is conducted several times to improve the accuracy of the data
Term
observation
Definition
the act of noticing the properties of an object or event with one or more of the five senses
Term
observe
Definition
to watch and study
Term
oceanographer
Definition
a scientist who studies the chemistry and geology of the ocean
Term
pendulum
Definition
an arm with a mass on one end that is free to swing back and forth in response to gravity
Term
period
Definition
the length of time it takes a pendulum to complete a cycle
Term
potential
Definition
energy energy that matter has because of its position
Term
predict
Definition
to make an estimate or approximation about a future event based on information or experience
Term
prediction
Definition
an estimate of a future event based on data or experience
Term
property
Definition
something you can observe about an object or a material
Term
revise
Definition
to update after reexamination
Term
siphon
Definition
a tube that moves liquid out of a container by gravity, provided the outflow end is lower than the intake end
Term
solar
Definition
system the Sun, the planets, and other objects that orbit the Sun
Term
solvent
Definition
a substance capable of dissolving other substances
Term
speed
Definition
the measure of an object’s change in position over time
Term
spring
Definition
scale tool used to measure the strength of unknown forces in newtons
Term
standard
Definition
a model established to compare the effect of changing a variable in an experiment
Term
stationary
Definition
not moving
Term
system
Definition
two or more objects that work together in a meaningful way
Term
technology
Definition
any method of modification of the natural world done to satisfy human needs or desires
Term
tool
Definition
any device used to achieve a specific purpose
Term
transfer
Definition
of energy what happens when objects collide and energy is transferred from the object with more energy to the object with less energy
Term
two-coordinate
Definition
graph a plot of the relationship between an independent variable on the x-axis and a dependent variable on the y-axis
Term
variable
Definition
anything you can change in an experiment that might affect the outcome
Term
velocity
Definition
the measure of an object’s speed in a certain direction
Term
work
Definition
the use of a force to move an object
Term
x-axis
Definition
the horizontal number line of a two-coordinate graph
Term
y-axis
Definition
the vertical number line of a two-coordinate graph
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