Vocabulary
Speed
Forces
Laws
Labs
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When the
distance from
object to
another is
changing.
What is Motion?
When you know
both the speed and
direction of an
object’s motion
What is Velocity?
An object used
to determine if
another object
is in motion..
What is a
reference point?
A force that one
surface exerts
on another when
they rub against
each other.
What is friction?
What scientists
call a push or a
pull.
What is
a force?
Speed is the
distance an object
covers in this unit
of ______
What is time?
speed =
distance/time
What is the
speed formula
The steepness of a
line on a graph
comparing
distance and time.
what is slope?
Speeding up,
slowing down, or
changing direction
What is
acceleration
The large sections
of the earth’s
crust that slowly
move against each
other.
What are plates?
An object that
circles the earth
due to a balance
between it’s inertia
and the pull of
gravity.
What is a
satellite?
This occurs
when one
surface rolls
over another
surface
What is rolling
friction?
A type of fluid
friction that
makes parachutes
function and leaves
drift down slowly
in the fall.
What is air
resistance?
The force left
over when two
forces add
together or
subtract from
each other.
What is net force?
Measured in newtons,
this is a measurement
of the mass of an
object in Kg times the
acceleration of gravity
2
at 9.8 m/s .
What is weight?
If one object exerts a
force on another
object, then the
second object exerts a
force of equal
magnitude on the first
object.
What is Newton’s
Third Law?
This law is
represented by the
formula F=ma.
What is Newton’s
second Law?
This states that
the force of
gravity acts on all
objects in the
universe.
What is the Law of
Universal
Gravitation?
An object at rest
stays at rest, and an
object in motion
stays in motion
unless acted on by an
unbalanced force.
What is Newton’s
st
1 Law?
The law behind the
reason why the
colliding balls on the
track and the
Newton’s Cradle kept
going.
What is the
law of
conservation of
momentum?
In the penny
inertia lab, this
was the object
whose inertia
changed from still
to moving.
What is a 3 by 5
card?
Students timed a
ball rolling down a
six meter track
and compared
average speeds.
What was the
acceleration lab?
We measured both
the mass and
volume of marbles
for this lab.
What was the
Marble Density
Lab?
This lab measured
and compared the
oscillations of a
swinging weight.
What was the
pendulum lab?
This lab was used to
calculate the average
speed of a marble
when the track
became steeper.
What was the slope
(or marble slope)
lab?