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Fourth Grade (Grade 4) Mechanics Questions

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Grade 4 Forces and Motion
The force that pulls any two objects toward each other is
  1. gravity
  2. length
  3. volume
  4. weight
Grade 4 Mechanics
This is empty space, nothing is here, like in outer space.
  1. Sound wave
  2. Pitch
  3. Matter
  4. Vacuum
Grade 4 Energy and Momentum
The mechanical energy of an object is associated with the objects'            position           and          motion         .
Grade 4 Forces and Motion
Who is the scientist that developed the three laws of motion?
  1. Alexander Graham Bell
  2. Benjamin Franklin
  3. Sir Isaac Newton
  4. Sir Smith Scott
Grade 4 Forces and Motion
A space shuttle started launching into space. It used a lot of force to fly up toward space. In which direction was the opposite force going?
  1. up
  2. down
  3. left
  4. right
Grade 4 Energy and Momentum
Some            machines            or devices can convert heat into                     mechanical energy                    .
Grade 4 Forces and Motion
There are 4 pennies in line between two rulers. Daniel flicks a penny into the first one in the line of pennies. Which penny should slide out?
  1. The first penny
  2. The last penny
  3. The middle pennies
  4. None of the pennies
Grade 4 Energy and Momentum
Although the kinetic and potential energy of an          object         can change, its mechanical energy remains            constant           .
Grade 4 Energy and Momentum
A rock that is rolling is an example of kinetic energy.
  1. True
  2. False
Grade 4 Forces and Motion
You can change the position or direction of motion of an object by pushing it or pulling it.
  1. True
  2. False
Grade 4 Forces and Motion
Name an invisible force.
  1. Gravity
  2. Friction
  3. Air resistance
  4. All of the above
Grade 4 Forces and Motion
The idea that an object in motion will stay in motion unless an unbalanced force acts upon it.
  1. work
  2. inertia
  3. gravity
  4. kinetic energy
Grade 4 Forces and Motion
A measure of the pull of gravity on objects.
  1. gravity
  2. volume
  3. weight
Grade 4 Energy and Momentum
Name 5 types of energy.
Grade 4 Forces and Motion
A pulling force between two objects.
  1. length
  2. metric system
  3. gravity
Grade 4 Forces and Motion
A roller coaster car goes up and down because it is moved by
  1. force
  2. gravity
  3. inertia
  4. friction
Grade 4 Forces and Motion
What determines how much something weighs?
  1. pull of gravity
  2. amount of mass
  3. where it stays on Earth
  4. None of these
Grade 4 Forces and Motion
The pulling force that holds you on Earth is called          gravity          
Grade 4 Forces and Motion
        Speed        and             direction            describe an object in motion.
Grade 4 Forces and Motion
Objects can be the same size but weigh differently.
  1. True
  2. False
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