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WorksheetsPCA G7 Science 3rd MIDTERM
Total questions: 47
Worksheet time: 1hrs 27mins
What type of force is this man using to push his grocery cart?
Normal Force
Gravity
Air Resistance
Contact Force
To which direction would the net force go?
What is the net (resulting) force?
What is the unit to MEASURE force?
Kilogram
Meter
Pounds
Newton
A _______ is a push, a pull or a turn acting on an object.
friction
force
magnet
gravity
If these teams are pulling with the same amount of force in opposite direction, what will happen?
Balanced or unbalanced forces?
Forces that have a net force of zero (0) Newtons
Balanced force
Unbalanced force
What will cause motion?
A twist or turn
The strength of gravity between two objects depend on their
This type of force resist motion between two surfaces that are in contact (touching each other).
Inertia
A force can____________.
make an object move
make a moving object stop moving
slow an object down
all of the above
An object resting on the ground can move without force.
True
False
Which of the following would it take the least force to move?
a 3-pound ball
a 5 pound ball
a 15 pund ball
a 25 pound ball
Which of the following does not require forces to move?
air
a rock
water
none of the above
What does the force of gravity do to objects?
It makes them float
it makes them jump
it gives them weight
it increases their size
How does gravity on Earth compare to gravity on the moon?
It is the same
There is more gravity on Earth
There is more gravity on the moon
What does the word mass mean?
The amount of matter in an object
the speed an object falls
how high a person can jump
how far an object can be thrown
Objects that have more mass also have more gravity.
True
False
The change in the position (location) of an object due to unbalanced forces.
inertia
gravity
work
motion
Is the change in position (location) of an object with respect to a reference point.
Speed
Force
Motion
The position of an object and its motion depend on the:
Force point
Reference point
Speed point
The distance an object traveled over a certain amount of time
speed
acceleration
Velocity
motion
An objects speed does not change over its entire distance
Constant speed
acceleration
average speed
velocity
Increase (tumulin) rate of speed over time
Acceleration
Velocity
speed
fast
Which Newton's law is this picture illustrating?
Law 1
Law 2
Law 3
A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?
Law 1
Law 2
Law 3
A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
Law 1
Law 2
Law 3
When a mule stops suddenly, the packages on its back continue to move forward onto the ground. Which law is this?
Law 1
Law 2
Law 3
An object in motion stays in motion and an object at rest stays at rest UNLESS
acted on by a balanced force.
acted on by an unbalanced force.
What is the formula for the 2nd law of motion?
a=lw
F=m/a
F = M x A
Force is related to mass and acceleration. Which law is this?
Law 1
Law 2
Law 3
It is much more difficult to move a dresser full of clothes than an empty dresser.
Law 1
Law 2
Law 3
A book sitting on the table does not move.
Law 1
Law 2
Law 3
A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.
Law 1
Law 2
Law 3
Which of these are examples of motion?
Turning around
Moving side to side
Traveling
All of them
What is speed?
A measure of how fast something moves.
A measure of how you move.
