Worksheets1st quarter science revision sheet grade 4
Total questions: 148
Worksheet time: 4hrs 42mins
What two forms of measurement do you need to find speed?
motion and direction
position and spring force
speed and motion
distance and time
The couch is hard to push on the rug what force makes pushing couch is on the rug harder ?
gravity
friction
a non contact force
a spring force
Look at the picture. Choose the words to finish the sentences. The forces on the box are ______.
balanced
unbalanced
spring
tension
how much distance is covered over a unit of time
A push or pull on an object
Position
Force
Speed
Gravity
When something goes faster it______.
Accelerates
Jumps
Gravity
Dances
The unit of force is
Gram
Newton
What pulls a ball back to earth?
Gas
Gravity
Friction
Molecules
If you slow down on your bicycle, you accelerate.
TRUE
FALSE
Changing the speed and changing the direction of your bicycle are both examples of acceleration.
TRUE
FALSE
the location of an object. It answers the question, “Where is an object?”
Position
Motion
Frame of reference
Speed
a change in an object position
Position
Motion
Frame of reference
Speed
the direction and speed of a moving object is called.
Speed
Velocity
Force
Motion
the change of velocity over time for an object
Acceleration
Speed
Motion
Force
a tendency to do nothing or remain unchanged
Friction
Speed
Inertia
Motion
...............................is the tendency of an object in motion to stay in motion or of an object at rest to stay at rest
Gravity
Inertia
The moon is less massive than............................. ,so its pull is weaker.
Earth
sea
Gravity is also..................... when objects are closer.
stronger
weaker
Which tool can be used to measure distance?
_____ can be used to determine speed of distance is known.
speed
distance
time
velocity
10 miles/hour
20 miles/hour
30 miles/hour
40 miles/hour
Avery rides her bike 15 miles in 5 hours. Which girl rides her bike faster?
Boedy swims 100 meters in 2 minutes. What is his speed?
50 meters/minute
speed = distance ÷ time
distance = speed - positon
time = distance x time
distance + time = speed
A flag blowing in the wind
A flag blowing in the wind
A box stored on the top shelf of a closet
A dam holding back a river’s water
A marble rolling down the aisle of your science classroom
A hammer held above a nail
An unlit firecracker
A new car battery
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is potential energy?
moving energy
stored energy
What is kinetic energy?
moving energy
potential energy
renewable energy
A baseball in the air, thrown from the catcher back to the pitcher.
Kinetic Energy
Potential Energy
A soccer player running around the soccer field.
Kinetic Energy
Potential Energy
An arrow from a bow shooting through the air.
Kinetic Energy
Potential Energy
A boat speeding across the water.
Kinetic Energy
Potential Energy
A bowling ball rolling down the lane.
Kinetic Energy
Potential Energy
A kangaroo in mid-jump about to come back down to the ground.
Kinetic Energy
Potential Energy
Which is an example of kinetic energy?
Parked car
A car racing on a track
TRUE or FALSE:
You are an AMAZING student who TOTALLY understands kinetic and potential energy.
TRUE
FALSE
The faster an object moves, the ________ kinetic energy it has.
more
less
Kinetic energy depends on the ________ and ________ of the object.
Height (position) and friction
Mass and speed
The more mass an object has the _____________ kinetic energy it has
more
less
Which of these has the most kinetic energy?
a 25 kg fish tank sitting on a table
a 100 g fish swimming in a fish tank
Increasing an object's mass will increase its kinetic energy.
true
false
Increasing an object's speed will increase its kinetic energy.
false
true
When two or more objects hit each other with a force they experience a _____________.
Collision
Potential energy
Energy transfer is
change energy from sound to heat sound.
the movement of energy from object to another.
What is transferred at the instant the bat hits the ball?
energy
sound
light
matter
As an object moves faster, it has more of what to transfer?
weight
energy
density
matter
When you're bowling, kinetic energy from the bowling ball is transferred to the _________________.
your shoes
your hand
floor
pins
The ...................... an object the more damage it causes during crash.
faster
slower
Which is not an example of a collision?
A ball flies through the air.
Catching a ball.
In elastic collisions, _____________
energy is not conserved in the system
there is no loss of energy of motion from the system
Friction during a collision causes some kinetic energy to be changed into _____.
heat
electricity
potential energy
The collision of two marbles can cause the……………. of both marbles to change.
shape
Energy
Mass
size
_____________________ states ”Energy cannot be created or destroyed. It can only change form”.
Third Law of Newtown
Conservation of energy
___________________ is the measurement of how easy or difficult it is to stop a moving object.
Momentum
Acceleration
_________________________ is when some of the kinetic energy of the colliding object is transformed into other types of energy.
Inelastic collision
Energy transfer
it remains the same
Which of these examples is not a collision...
two cars crashing
a dog barking
a baseball bat hitting a baseball
Energy transfer is the movement of energy from one object to another..
True
False
In real life most collisions are elastic.
True
Flase
_________________________ is when some of the kinetic energy of the colliding object is transformed into other types of energy.
Inelastic collision
Energy transfer
_____________________ states ”Energy cannot be created or destroyed. It can only change form”.
Third Law of Newtown
Conservation of energy
In an elastic collisions, _____________
energy is not conserved in the system
there is no loss of energy of motion from the system
Which of these is an example an inelastic collision?
Bowling
Hitting a golf ball
car crash
pinball
An elastic collision happens between two objects and the energy is conserved. True or False?
True
False
An inelastic collision happens between two objects and the kinetic energy is conserved. True or False?
True
False
What happens when you pull back the ball on a Newton's Cradle?
You decrease kinetic energy
You increase kinetic energy
The kinetic energy gets transfered
elastic collision is
a type of collision with no loss of kinetic energy. Objects bounce off each other.
a type of collision where there is a transfer of kinetic energy into another form. Objects stick together.
Which of the following has the MOST momentum?
rolling ping-pong ball
rolling bowling ball
rolling soccer ball
rolling basketball
While playing pool, Emma notices that the pool balls bounce apart. What type of collision is this?
Elastic
Inelastic
Explosion
T or F: In elastic collisions, two objects hit and they stick together
True
False
when objects collide and one or more of the objects changes shape
Collision
Elastic Collision
Kinetic Energy
Inelastic Collision
Most collisions in real life are inelastic.
false
true
Energy can be created and destroyed, but not transformed.
False
True
When two objects collide their motion changes. Why does this happen?
energy was transferred from one object to the other
their gravity changed
the objects lose mass
How do we call this device?
Swing Cradle
Bouncing Cradle
Ball's Cradle
Newton's Cradle
___________________ is a device that uses swinging balls to demonstrate energy transfer and conservation of energy.
Baby Cradle
Newton's Cradle
Alexander's Cradle
Mickey's Cradle
With a Newton's Cradle, if the height of the ball is increased, the ball on the other end won't increase in height.
True
False
When a hammer hits a nail, ________ energy is transferred from the hammer to the nail.
potential
kinetic
light
thermal
Which formula is used to calculate
momentum?
Momentum = Mass x Speed
Momentum = Weight x Speed
Momentum = Volume x Velocity
Momentum = Mass x Velocity
The less momentum an object has, the easier it is to stop.
True
False
Inertia is a force
True
False
What is the relationship between heavy objects and inertia?
Only heavy objects have inertia.
Heavy objects have more inertia.
Heavy objects have less inertia.
Heavy objects have no inertia.
In an elastic collision, ______ is conserved.
Momentum only
Kinetic Energy only
Both momentum and energy
