Worksheets7th grade review
Total questions: 34
Worksheet time: 17mins
Please provide the first and last name of the student, for example, Aiden or Lily.
Sophia noticed that when she pushed a book on her desk, it eventually stopped moving. This observation is related to Newton's First Law of Motion, also known as the Law of
Acceleration
Friction
Inertia
Gravity
Kai is running in a straight line. His velocity is his speed in a given _____________________.
force
mass
direction
time
In the picture, what force is acting downward on Ava and Rohan while they are skydiving?
Fluid friction
gravity
applied force
normal force
Mason and Charlotte are skydiving for the first time. Referring to the picture above; what force would they have to take advantage of in order to slow down their descent?
fluid friction/air resistance
gravity
velocity
inertia
Base your answers to the next three questions on the diagram below and on your knowledge of science. The diagram represents Emma pulling a cart with a box on it. The arrow represents the direction in which Emma is moving. Check all the forces acting on the cart force acting on the cart.
friction between the wheels and the road
normal force of the road pushing up on the cart
applied force from Emma pulling the cart
gravity pulling down on the cart
all of the above
Noah is pushing a shopping cart at the grocery store. Identify the force between the wheels of the cart and the ground surface that opposes forward motion of the cart.
friction
acceleration
velocity
normal force
Explain why a book may continue to slide forward if a car suddenly stops moving.
speed
velocity
inertia
acceleration
Abigail and Henry are observing the gravitational force between two objects. The gravitational force between the objects is most affected by their
motion and volume
motion and distance apart
mass and volume
mass and distance apart
Grace and Priya are discussing what keeps planets in orbit around the Sun. What is the primary force responsible for this?
the reflection of sound energy
the flow of electricity in a closed circuit
keeping planets in orbit around the Sun
refracting light energy
Elijah is holding a barbell above his head. The force of gravity pulling down on the barbell is 756 newtons (N). How many newtons of force are exerted by Elijah to hold the barbell up?
0 N
378 N
756 N
1512 N
Maya rides her bicycle north past an old man sitting on a bench. What direction will Maya see the old man moving? Assume that the old man is sitting still.
North
East
The old man will not appear to be moving
South
West
According to Newton, what kinds of objects are affected by gravity? Priya and Aiden are discussing this in their science class.
Only objects inside the earth's atmosphere, like apples.
Only objects with a lot of mass, like human beings.
All objects in the universe.
Only objects that orbit the sun, like planets.
If the net force on a car driven by Abigail is zero, what can you conclude?
The car is not accelerating
The car is not moving
The car is not touching anything
The car is slowing down
According to Newton's first law, if Zoe kicks a soccer ball, it will keep rolling unless:
An unbalanced force acts on it.
It stops.
It's in outer space.
It remains at rest.
Elijah and Mia are pushing a car. What is the net force acting on the car?
A force associated with the Internet
The combined forces acting on a particular object
The same thing as inertia
The same thing as gravity
According to Newton's third law, what happens when Michael pushes against a wall?
The wall pushes back at Michael half as hard as he pushes against it.
The wall pushes back at Michael with the same amount of force.
The wall doesn't resist at all.
The wall pushes back at Michael twice as hard as he pushes against it.
During a science class, Isla observed that a book on her desk remained at rest until she pushed it. What is this an example of? The Law of
friction
mass
inertia
gravity
Kai and Noah are playing with a toy car. What can a force do to the toy car? Click all that apply
stop motion
start a motion
change the direction of the motion
Charlotte and Aiden are playing tug-of-war. With unbalanced forces, the object will move in the direction of the _______ force.
larger
equal
smaller
Ethan and Ava are comparing objects. Which has more inertia?
A postcard
School Bus
Jackson noticed that when he tried to push a stationary car, it was difficult to get it moving. This resistance to any change in its state of motion is known as
Inertia
Friction
Mass
Forces
Henry and Luna are pushing a car. What property of the car determines how much Inertia it has?
Mass
Weight
Velocity
Friction
Kai pushes a shopping cart with an unbalanced force, causing it to...
Explode
Accelerate
Stay at rest
Dance
In a science class, Benjamin is asked: What unit of measurement is used with Mass?
m/s^2
kg
lbs
psi
During a game of tug-of-war, Lily and Priya pull on opposite ends of the rope. Which of Newton's Laws is known as The Law of "Action-Reaction"?
Newton's 1st
Newton's 2nd
Newton's 3rd
What is the reaction force to Maya spiking a volleyball?
The volleyball hitting your opponent in the face
The volleyball scoring you a point
The volleyball pushing back on your hand
The volleyball exploding
When Benjamin writes a note on a piece of paper, what type of friction is primarily involved?
Static
Fluid
Rolling
Sliding
Daniel and Anika are pushing a heavy box across different surfaces. Factors that most affect the amount of friction against the box are
Roughness of surface and velocity
Velocity and mass
Mass and Roughness of surface
Gravity and mass
Benjamin and Oliver are comparing their science project materials. The amount of Matter an object possesses is known as
Weight
Mass
Inertia
Friction
True or False: William's mass is the same on the moon as it is here on Earth
True
False
True or False: Avery's weight would be the same on the moon as it is on Earth
True
False
During a science experiment, Priya and David observed different types of friction. What is the weakest type of friction?
Rolling
Sliding
Static
Fluid
Daniel is conducting an experiment to measure the acceleration of gravity on Earth. What value should he expect to find?
9.8 m/s
8.9 m/s
9.8 kg
