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Science Activity A

Quiz by JOHN J. LASALLE

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20 questions
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  • Q1
    What effect do balanced forces have on the motion of an object?
    The object accelerates in one direction
    The object speeds up
    The object remains at rest or moves with constant velocity
    The object experiences increased friction
    30s
  • Q2
    Which statement best describes energy conservation during a collision between two objects?
    Energy is lost during the collision
    Energy changes into mass during the collision
    The total energy before the collision equals the total energy after the collision
    Energy is created as a result of the collision
    30s
  • Q3
    What happens to the speed of an object as its kinetic energy increases?
    The speed of the object increases
    The speed remains the same
    The speed of the object decreases
    The speed becomes zero
    30s
  • Q4
    What is the direction of the gravitational force exerted by Earth on an object?
    Upward away from the Earth
    In a diagonal direction
    Towards the side
    Downward towards the center of the Earth
    30s
  • Q5
    When conducting an investigation on unbalanced forces, what is the expected outcome for the motion of an object?
    The object will move at constant speed
    The object will remain at rest
    The object will oscillate back and forth
    The object will accelerate in the direction of the net force
    30s
  • Q6
    Which of the following best describes a situation where kinetic energy is converted into potential energy?
    A light bulb is turned on
    A car accelerates down a highway
    A ball is thrown and rises into the air
    A roller coaster reaches the top of a hill
    30s
  • Q7
    What are the criteria used to evaluate the effectiveness of multiple solutions generated for a problem?
    The popularity of each solution
    The cost of each solution
    How well each solution meets the defined constraints and requirements
    The time taken to develop each solution
    30s
  • Q8
    What occurs to energy when two objects collide elastically?
    One object absorbs all the energy
    Energy is lost to heat
    Total kinetic energy is conserved
    Energy is transformed into gravitational potential energy
    30s
  • Q9
    In a scenario where a bowling ball rolls down a ramp, what type of energy transformation occurs?
    Potential energy is created from kinetic energy
    Potential energy is converted into kinetic energy
    Kinetic energy is converted into thermal energy
    Kinetic energy is increased by gravitational energy
    30s
  • Q10
    How do unbalanced forces affect the motion of an object on a horizontal surface?
    The object moves at a constant velocity
    The object remains stationary
    The object accelerates in the direction of the net force
    The object experiences no motion at all
    30s
  • Q11
    In an investigation of forces, if a toy car is pushed with a greater force than another toy car, what can we predict about their motion?
    The first car will move backward.
    The toy car with the greater force will accelerate faster.
    Both cars will move at the same speed.
    The toy car with less force will stop immediately.
    30s
  • Q12
    When two objects collide, how does the energy transfer affect their motion?
    Energy is transferred from one object to another, changing their speeds.
    The objects will always come to a complete stop after collision.
    Energy is lost and cannot be used again.
    Only one object will move while the other remains stationary.
    30s
  • Q13
    Which statement best supports the idea that gravitational force acts downward on objects near Earth’s surface?
    Objects float into the air when released.
    Objects dropped from a height fall straight down towards the ground.
    The gravitational force pulls objects in all directions equally.
    Objects move sideways instead of downward.
    30s
  • Q14
    In an energy transformation, what can we observe when a light bulb is turned on?
    Chemical energy is produced without a power source.
    Mechanical energy is lost during the process.
    Electrical energy is converted into light and thermal energy.
    Light energy is transformed into sound energy.
    30s
  • Q15
    If you were to compare two ramps of different angles, how would that affect the gravitational potential energy of an object placed at the top?
    The shallower ramp will have more energy due to less height.
    The angle of the ramp does not affect potential energy.
    The ramp with a steeper angle will give the object more gravitational potential energy.
    Both ramps will provide the same potential energy.
    30s

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