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WorksheetsQ4 - SCIENCE REVIEW
Total questions: 93
Worksheet time: 47mins
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
What are the two kinds of forces?
fast and slow
loud and soft
high and low
push and pull
Which of the following would take the most force to lift?
a pencil
one book
a cotton ball
a box of bricks
A teacher rearranged the table in the classroom. She must apply pull the tables around.
force
weight
magnet
acceleration
What is acceleration?
A. any push or pull
B. change in speed
C. anything that causes motion
D. something that causes motion
The student is playing several sports including soccer, baseball, and bowing His teacher said throwing the bowling ball requires the most force. Why is this TRUE?
A. The bowling has holes on it.
B. The bowling ball has the most mass.
C. The bowling ball has to be held by the hand.
D. The balls all require the same amount of force.
A student described the amount of force needed to change the motion of a beach ball and *a bowling ball from idle to rolling. Which statement is TRUE?
A. The beach ball has less mass but it takes more force to roll it.
B. The bowling ball has less mas but it takes more force to roll it.
C. The beach ball has more mass, therefore, it takes less force to roll it.
D. The bowling ball has more mass, therefore, it takes more force to roll it.
A child is riding his bike on a straight path. A friend applies more force to it as shown in the picture. How will the motion of the bike change?
A. It will go faster.
B. It will go slower.
C. The speed will just be the same.
D. It will go faster in the opposite direction.
Two boys are pulling with the same force. What will happen?
A. Both will fall.
B. They will not move at all.
C. The boy on the left will win.
D. The boy on the right will win.
The man needs to move the boxes. Which statement correcly describes the force needed to move the boxes?
A. Equal force is needed for both boxes.
B. No force is needed to move either box.
C. More force is needed to move a lighter box.
D. More force is needed to move a heavier box.
It takes more force to pick up a bowling ball than a tennis bal. Why?
A. The tennis ball is heavier.
B. The bowling ball is lighter.
C. The bowling ball is heavier.
D. The tennis ball has more mass.
Which of the following actions would enable you to move a book from one position to another?
A. putting it on a shelf
B. reading it for 30 minutes
C. standing on top of a book
D. kicking a book across the floor
Which of the following statements describes an object in motion?
A. a lamp sitting on the table
B. a book resting on a shelf
C. a pencil lying on the desk
D. a coin dropping on the floor
What is the effect of the force applied in the situation below?
A. It caused the object to move.
B. It caused the object's size to change.
C. It caused the object's shape to change.
D. It caused the object's speed to change.
What is the effect of the force applied in the situation below?
A. It caused the object to move.
B. It caused the object's size to change.
C. It caused the object's shape to change.
D. It caused the object's speed to change.
Which of the situations involve NO force of friction?
A. a skydiver falling from a plane
B. a hockey puck shot across an ice rink
C. a probe travelling through deep space
D. a speed boat skimming across the water
Which has the least friction?
A. jee
B. grass
C. sidewalk
D. parking lot
Complete the sentence.
Friction works in the ________ direction of the moving object.
same
opposite
upwards
downwards
What factors determine the amount of friction between the two objects?
force and roughness between surfaces
B. force and weight exerted on the surfaces
C. hills and valleys and how smooth or rough the surface is
D. amount of force and amount of surface that comes in contact
On which surface will a toy car move the fastest?
A. brick surface
B. muddy surface
C. cemented surface
D. polished marble surface
Why is it good to increase the friction on our car tires?
A. The more friction, the faster it will move.
B. The more friction means the car will go slower.
C. The more friction means the tires will not slip and slide on the road.
D. Friction has no effect.
Which of the following is an example of friction that is helpful?
A
B
C
D
Why would a boy on roller skates move more easily than a boy sliding on his bare feet?
A. There is less push. .
B. There is more push.
C. There is less friction.
D. There is more friction
Complete the sentence. The force of friction with a/an in the mass of the object.
A. increases, decrease
B. increases, increase
C. decreases, decrease
D. decreases, increase
Khian needs to move the sofa in her living room to another room. To do this, without strain/difficulty, she should ____________.
A. lift the sofa
B. push the sofa to the next room with all his strength
C. take the sofa apart and reassemble it in the other room
D. add a pair of rollers/wheels to the footrest of the sofa and roll it to the next room
The rougher the surface, the faster an object will travel over the surface.
TRUE
FALSE
When most objects with smooth surfaces are rubbed, there is less friction.
TRUE
FALSE
The more friction, the stower the object. The more friction, the stower the object.
TRUE
FALSE
Friction slows down the movement of objects.
TRUE
FALSE
Friction may make an object stop from moving.
TRUE
FALSE
Friction is greater on a rough surface.
TRUE
FALSE
Friction affects the movement of an object on different surfaces.
TRUE
FALSE
Friction is never useful.
TRUE
FALSE
Friction results when two things rub against each other.
TRUE
FALSE
A ball will roll at the same speed if it moves on smooth and rough surfaces
TRUE
FALSE
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
Identify the force exerted.
BALANCED
UNBALANCED
force
A. the push or pull applied to an object
B. the measure of distance in a given time
C. the object's speed and direction of motion
D. measure of how far apart two obiects/places are
E. movement of an object brought about by force applied to it
speed
A. the push or pull applied to an object
B. the measure of distance in a given time
C. the object's speed and direction of motion
D. measure of how far apart two obiects/places are
E. movement of an object brought about by force applied to it
motion
A. the push or pull applied to an object
B. the measure of distance in a given time
C. the object's speed and direction of motion
D. measure of how far apart two obiects/places are
E. movement of an object brought about by force applied to it
velocity
A. the push or pull applied to an object
B. the measure of distance in a given time
C. the object's speed and direction of motion
D. measure of how far apart two obiects/places are
E. movement of an object brought about by force applied to it
distance
A. the push or pull applied to an object
B. the measure of distance in a given time
C. the object's speed and direction of motion
D. measure of how far apart two obiects/places are
E. movement of an object brought about by force applied to it
Force is a push or pull.
TRUE
FALSE
A force can change an object's motion.
TRUE
FALSE
Heavier objects require less force to move.
TRUE
FALSE
One way to measure distance is by temperature.
TRUE
FALSE
Balanced forces do not cause a change in direction.
TRUE
FALSE
A swing moving back and forth is an example of motion.
TRUE
FALSE
When a force is balanced, there is no change in motion.
TRUE
FALSE
In an unbalanced force of game of tug-of-war, one team will lose.
TRUE
FALSE
The amount of space between two objects/places is called position.
TRUE
FALSE
An unbalanced force will cause an object to speed up or to slow down.
TRUE
FALSE
Complete the sentence.
If one person pulls a heavy couch to the left and another person pushes it in the same direction, then the couch will ______________.
A. not move
B. split into two
C. move to the left
D. move to the right
Complete the sentence. A car travelling at 80 km/hr north is an example of __________.
speed
velocity
distance
acceleration
How can you describe the bird's motion?
The bird flew away from the tree.
B. The bird is flying towards the house.
C. The bird flew from the left of the tree to the right of the tree.
D. The bird flew from the right of the tree to the left of the tree.
Who will win the tug-of-war?
A. Itim will win. B. Puti will win.
B. Puti will win.
C. Either Itim or Puti will win.
D. Neither Itim nor Puti will win.
What kind of forces are acting on the rope?
A. friction
B. gravity
C. balanced forces
D. unbalanced forces
Complete the sentence.
The greater the force on an object, ____________.
the less the motion
B. the heavier the object
C. the greater the motion
D. the more tendency an obiect will stay at rest
Complete the sentence.
The greater the mass of an object, ___________.
A. nothing will happen to the object
B. the less the force needed to move the object
C. the greater the force needed to move the object
D. the more tendency that the object will stay at rest
Which tells the distance travelled by an object in a given time?
A. time
B. speed
C. distance
D. velocity
Complete the sentence.
An unbalanced force can make al these things happen except ________________.
A. to make the object sit still
B. to make a moving object stops
C. to make a moving object speeds up
D. to make a moving object changes direction
Complete the sentence.
The heavier an object is ____________.
A. the harder it will be to stop
B. the harder it will be to speed up
C. the harder it will be to get moving
D. all of the above
What is a measure of the change of velocity of a moving object?
A. speed
B. motion
C. velocity
D. acceleration
What will happen if you increase the mass of an object?
The acceleration will ____________.
A. stop
B. increase
C. decrease
D. stay the same
What will happen if you increase the force applied on an object?
The acceleration will ____________.
A. stop
B. increase
C. decrease
D. stay the same
What is the unit measure of force?
A. gram
B. meter
C. Newton
D. Celsius
Which best explains how an object's motion changes when additional force is applied?
A. As force increases, acceleration increases.
B. As force increases, acceleration decreases.
C. As force increases, the object's mass changes.
D. As force increases, the object's direction changes.
Which force works against motion and tries to slow objects down?
A. mass
B. friction
C. gravity
D. push or pull
Which of the following surfaces has the least amount of friction?
A. a dirt road
B. a gravel driveway
C. a road covered with ice
D. a road covered with spilled sand
On which surface will toy sledge travel the farthest?
ice
B. wood
C. carpet
D. sandy surface
In the figure, a man is pushing the box from right to left. In what direction will friction act?
A. from right to left
B. from left to right
C. vertically upwards
D. vertically downwards
A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before I coming to rest. To make the same ball travel longer distance before coming to rest, he may ____________.
A. cover the ball with a piece of cloth
B. sprinkle sand on the wooden surface
C. spread carpet on the wooden surface
D. sprinkle talcum powder (face powder) on the wooden surface
How does friction affect speed?
A. The less the friction, the less the speed.
B. The more the friction, the less the speed.
C. The more the friction, the more the speed.
D. Friction does not affect the speed.
Complete the sentence.
Friction is a force that acts in a/an__________ direction of motion.
A. west
B. similar
C. parallel
D. opposite
Which would NOT be a way of reduce fiction?
A. pouring soil on snowy road
B. making the surface smoother n the object
C. using lubricants like wax and oil
D. putting rollers/wheels o
Complete the sentence.
The rougher the surface, the _________.
A. lesser the friction
B. greater the friction
C. effect is not observable
D. same level of friction with the smooth surface
Complete the sentence.
Friction can be increased by making the surface _____________.
A. rough
B. smooth
C. polished
D. greased
Which of the following has the least friction?
wood
glass
paper
cardboard
Which of the following statements is TRUE?
Friction ______________.
A. does not affect objects in motion
B. slows down or stops objects in motion
C. pulls objects towards the center of the earth
D. primarily affects the objects that contain iron
Which of the following is used to reduce frictions?
A. carpet
B. sandpaper
C. bumpy rocks
D. bacon grease
Which of those materials would have the most amount of friction?
tile
metal
glass
sandpaper
Why is it important for baskelball plavers to wear shoes with tread when playing?
A. to increase the speed of the player
B. to decrease the force between the floor and the player
C. to decrease the amount of force needed the player to move
D. to increase the friction between the floor and the player's shoes
