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Unit Review

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  • During which season do we receive the most sunlight in the North hemisphere?
    Summer
  • Newton’s _______ says the acceleration of an object depends on its force or applied force and mass.
    second law
  • If an object stays still or continues moving at the same speed and in the same direction, it is a ________________ force.
    balanced force
  • There are two boulders at the top of a hill. Boulder A has a mass of 50 kilograms and Boulder B has a mass of 100 kilograms. Which box has the greater amount of potential energy?
    Boulder A
    Boulder B
    Both boulders have the same amount of potential energy
  • ___________ is a combination of all forces on an object.
    net force
  • There are two boxes on a bookshelf that have the same mass. Box A is on the top shelf, and Box B is on the bottom shelf. Which box has MORE potential energy?
    Box B
    Box A
  • What happens when two forces act in the same direction?
    They stay the same
    Their magnitudes cancel out
    They change direction
    Their magnitudes add up
  • How can we change the amount of kinetic energy something has?
    Change the velocity or height
    Change the gravity or mass
    Change the mass or height
    Change the mass or velocity
  • Which of Newton’s Laws explains a rocket’s movement during launch?
    thirds law
  • Which term describes the change in position of an object?
    Force
    Energy
    Friction
    Motion
  • How can we change the amount of potential energy something has?
    Change the mass or height
    Change the mass or velocity
    Change the velocity or height
    Change the gravity or mass
  • Which of Newton's laws states that an object at rest stays at rest unless acted upon by an external force?
    First Law
    Second Law
    Fourth Law
    Third Law
  • Which term refers to the Earth's movement around the Sun?
    Revolution
  • How long does it take for Earth to complete one rotation?
    24 hours
  • If the Earth spins from West to East, which side does the sun rise?
    East
  • A car traveling at 65 mph is an example of its ________________.
    speed
  • What causes the change in seasons?
    Earth's tilt and revolution around the sun
  • The force that pulls objects toward each other
    gravity
  • Newton’s 3rd Law states that for every action there is an equal and opposite _______________.
    reaction
  • A force that causes an object to slow down when it touches another object is _____________.
    friction
  • What will be the effect on the boy in the picture if the driver stops quickly?
    He will move forward pressing against the seatbelt.
  • Which hemisphere experiences summer when the North hemisphere experiences winter?
    South
  • How long does it take for Earth to complete one revolution?
    365 days
  • 30 mph west is an example of _______________________.
    Velocity
  • Which of these is an example of a force?
    Pulling a wagon
    Sleeping
    Eating dinner
    Reading a book
  • A lamp sitting on a table is demonstrating Newton’s ______ Law?
    First Law
  • A rollercoaster heading down a hill is ___________________________.
    accelerating
  • What is the term for Earth's movement around the sun?
    Revolution
  • A ____________________ is a push or a pull on an object.
    force
  • More Mass the more kinetic energy.
    False
    True