Unbalanced Force
What happens to an object when an unbalanced force acts on it?
A) It stays still
B) It moves in the direction of the force
C) It spins in circles
D) It changes color
B) It moves in the direction of the force
What do we call the force that pulls certain metals toward a magnet?
A) Gravity
B) Friction
C) Magnetism
D) Electricity
C) Magnetism
What force pulls objects toward the Earth?
A) Magnetism
B) Friction
C) Gravity
D) Inertia
C) Gravity
What is motion?
A) When an object stays still
B) When an object changes position
C) When an object changes color
D) When an object gets heavier
B) When an object changes position
What is a balanced force?
A) Forces that are equal and opposite
B) Forces that are unequal
C) One force acting on an object
D) A force that causes movement
A) Forces that are equal and opposite
Which of the following is an example of an unbalanced force?
A) A book resting on a table
B) Pushing a swing
C) A parked car
D) A ball sitting still
B) Pushing a swing
What happens when two magnets are brought close together with the same poles facing?
A) They attract each other
B) They repel each other
C) They stick together
D) They fall apart
B) They repel each other
What happens to objects when gravity acts on them?
A) They float away
B) They stay still
C) They fall down
D) They move up
C) They fall down
Which of the following is an example of motion?
A) A car parked in a garage
B) A dog running in the park
C) A tree growing
D) A book on a shelf
B) A dog running in the park
What happens to an object when balanced forces act on it?
A) It moves
B) It speeds up
C) It stays still
D) It spins
C) It stays still
If a soccer ball is kicked, what type of force is being applied?
A) Balanced force
B) Unbalanced force
C) Magnetic force
D) Frictional force
B) Unbalanced force
Which material is attracted to a magnet?
A) Plastic
B) Wood
C) Iron
D) Glass
C) Iron
Which object has more gravity, Earth or the Moon?
A) Earth
B) Moon
C) They have the same gravity
D) It depends on the time of day
A) Earth
If a toy car rolls down a hill, what type of motion is it experiencing?
A) Circular motion
B) Straight-line motion
C) Backward motion
D) Random motion
B) Straight-line motion
If two people push a box in opposite directions with equal force, what will happen to the box?
A) It will move to the left
B) It will move to the right
C) It will stay in place
D) It will tip over
C) It will stay in place
When two people push a car in opposite directions with equal force, what happens?
A) The car moves
B) The car stays still
C) The car rolls over
D) The car speeds up
B) The car stays still
How can you make a magnet stronger?
A) Make it smaller
B) Heat it up
C) Wrap it with more coils of wire
D) Leave it in the sun
C) Wrap it with more coils of wire
If you drop a feather and a rock, which will hit the ground first if there is no air resistance?
A) The feather
B) The rock
C) They will hit at the same time
D) It depends on their size
C) They will hit at the same time
What can be used to measure an object's speed?
A) A thermometer
B) A clock
C) A ruler
D) A scale
B) A clock
In a tug-of-war game, if both teams pull with the same strength, what happens?
A) One side wins
B) The rope breaks
C) No one wins
D) The game stops
C) No one wins
An unbalanced force can change which of the following about an object?
A) Its color
B) Its size
C) Its motion
D) Its sound
C) Its motion
What is a common use of magnets in everyday life?
A) Storing food
B) Cooling drinks
C) Holding notes on a refrigerator
D) Creating electricity
C) Holding notes on a refrigerator
Why do astronauts feel weightless in space?
A) There is no gravity in space
B) They are moving very fast
C) They are in free fall
D) They are floating
C) They are in free fall
If a train moves at a constant speed, what can we say about its motion?
A) It is changing direction
B) It is accelerating
C) It is in motion
D) It is not moving
C) It is in motion
Which scenario is an example of balanced forces?
A) A car stopping at a red light
B) A balloon rising in the air
C) A bicycle rolling down a hill
D) A person pushing a shopping cart forward
A) A car stopping at a red light