Transcript Force and Motion Rev. Jepardy

Jeopardy
Force and Motion
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Gravity/
Unbalanced and
Friction
Vocabulary
Balanced
Forces
Magnetism
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Other
The Moon’s gravity causes….
Tides
The primary force responsible for the
flow of water in this picture is...
Gravity
The force of repulsion or
attraction between magnets is
called
Magnetism
When like poles of magnets are
near each other, the magnetic
forces causes the poles to...
Repel
The __________ gravity causes
the Earth to rotate around the
_____________.
Sun’s
Sun
What force is caused by
objects rubbing
together?
Friction
What could you put
under a car tire that was
spinning on ice?
Sand, Or
something else to
create friction
What is used to reduce friction?
Lubricants
Give 2 examples of lubrication.
Oil, wax,
hand sanitizer
When a bow and arrow flies
through the air does friction
affect the motion?
Yes!!
A balanced force is a force
that...
that has no effect on the
motion of an object
An unbalanced force is a force that...
changes an
object’s motion
True or False:
A game of tug of war between 2
teachers and 10 students is an
unbalanced force.
True
True or False:
If there are two objects with the same mass and one is acted on by a
greater force than the other, the one acted on by the greater force will
have the greatest change in speed.
True
True or False:
It’s easier to change the speed of an object
with more mass, than an object with less
mass.
False
A push or a pull is called a ______
Force
The measure of how fast an object
is moving is….
Speed
A force that acts at a distance
and can’t be seen...with 2
poles...
Magnetism
The course or path that an object
moves in...
Direction
What is velocity?
A change in motion
or speed
Which of these would produce the
least friction?
a. skis on snow
b. shoes on sidewalk
c. tires on gravel d. bare feet on wet sand
A.
Skis on snow
Adding weight to an object
would cause the object to
speed up or slow down?
Slow Down
What force to baseball cleats create?
Friction
An object’s location relative to
another object; plus the distance
from the object is…
Position
A ball rolling north, collides
with a ball rolling east...which
direction will the balls move
after impact?
Northwest
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