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WorksheetsPhysical Science Unit 3 Review Motion, Force, and Work
Total questions: 49
Worksheet time: 49mins
Usain Bolt of Jamaica holds the world record for the Men's 100 meter race. He finished in 9.58 seconds! What was his average speed? (Round to the nearest tenth.)
10.4 m/s
.1 m/s
1 m/s
10.5 m/s
What is the average speed of the object at 8 seconds?
80 m/s
10 m/s
5 m/s
20 m/s
Velocity is speed with __________________________.
a unicycle helmet
direction
fight
The net force acting on the object is acting _____.
to the right
to the left
up
down
The net force acting on the block is (a) N.
How much work is being done with 200 N of force over 426 meters? W = F x d
85,200 J
45,620 J
90,480 J
62,329 J
If 150 Joules of work is needed to move a box 10 meters, what force was used? W = F x d so F = W/d
1500 N
15 N
1.5 N
150 N
These forces are...
Balanced
Unbalanced
Constants should be...
different
same
kind of the same
none of the above
Which describes the experimental variable that you CHANGE on purpose to see what happens?
responding/dependent
control variable
experimental results
manipulated/independent
The variable the experimenter measures in an experiment.
scientific variable
constant variable
independent variable
dependent variable
The variable the experimenter controls in an experiment.
scientific variable
constant variable
independent variable
dependent variable
Which type of apple has the most water in it?
Which is the dependent variable?
The size of the apple
The age of the apple
The amount of water
The type of apple
A push or pull exerted on an object
balanced forces
force
unbalance forces
average speed
forces that cause a change in the motion of an object
unbalanced forces
distance
time
acceleration
equal forces acting on an object in opposite directions
moving at a steady rate over time
unbalanced forces
balanced forces
force
Which one changes based on gravity?
An object's mass
An object's weight
Which one never changes no matter where you bring it to?
An object's mass
An object's weight
What is weight?
the pulling force of gravity on an object
the time it takes to get on a ride
the amount of matter in an object
the size of an object
A spring scale (like the ones at grocery stores) is used to measure ____________________.
weight
mass
matter
Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.
1st law of motion
2nd law of motion
3rd law of motion
13th law of motion
Watch what happens as Blake releases the balloon. Which of Newton's Laws does this represent?
Mira lo que sucede cuando Blake suelta el globo. ¿Cuál de las leyes de Newton representa esto?
Newton's 1st Law, interia
Newton's 2nd Law, Force = m x a
Newton's 3rd Law, action/reaction
Which is newtons first law states
An object at rest will remain at rest unless a force is applied
An object is moving
An object has stopped
An moving object will keep going when a force is applied to it
Which is newtons 3rd law
for every thing there is reaction
for every reaction there is a unusual action
For every reaction there is an equal and opposite reaction
for every reaction there is an good action
Which is newtons 2nd law
Acceleration is a change in speed
Acceleration is a change in action
Acceleration is a change in name
Acceleration is a change in velocity
What is an example of newtons 2nd law
sleeping
velocity
driving
sitting
What is an example of newtons 3rd law
running
car crash
high five
walking
An example of newtons 1st law
kicking a ball
walking
moving
running
The toy car and ramp seen above might be used to answer which testable question?
A. What material is the ramp made of?
B. Which toy car looks the best?
C What effect does gravity have on a toy car?
D. What metal makes the best toy cars?
2. By changing the surface over which the car rolls from sandpaper to wax paper, you might be able to test the effect of what force?
A. Magnetism
B. Wind
C. Wind
D. Friction
Which change would require more force to pull the wooden block up the ramp?
Have the student use two hands
Reduce the mass of the wooden block.
Restack the books so the thinnest book is on the bottom.
Glue sandpaper to the surface of the ramp.
According to Newton's Third Law of Motion, if Mike pushes down on the springboard to being his dive, what is the reaction force?
Mike splashing into the water
The springboard pushing Mike into the air
The height of the water when Mike enters the water
The sound the board makes as he pushes into the air
A car traveling at a constant speed covers a distance of 750 m in 25 s. What is the car's speed?
.3m/s
30 m/s
1875 m/s
18.75m/s
