Cells And Simple Machines Review

26 Questions | Total Attempts: 118

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Cells And Simple Machines Review - Quiz

What do you remember about Simple Machines? ? ?


Questions and Answers
  • 1. 
    What is the main purpose of a wedge? (work it does)
    • A. 

      Push things apart

    • B. 

      Push things together

    • C. 

      Move away from objects

    • D. 

      Lift objects

  • 2. 
    This is necessary to get an object moving...
    • A. 

      Friction

    • B. 

      Force

    • C. 

      Resistance

    • D. 

      Wedge

  • 3. 
    A rod attached to the center of a wheel is called:
    • A. 

      Magnet

    • B. 

      Wedge

    • C. 

      Inclined plane

    • D. 

      Axle

  • 4. 
    Cranes, flagpoles, and window blinds are examples of what type of simple machines?
    • A. 

      Inclined Planes

    • B. 

      Wedge

    • C. 

      Pulley

    • D. 

      Wheel and axle

  • 5. 
    When you increase the distance of a moving object on an inclined plane ...
    • A. 

       Less force is needed to move an object

    • B. 

      More force is needed to move an object 

    • C. 

      The amount of force does not matter 

    • D. 

      There is no reason to worry about the longer distance, because it will not make a difference in the amount of work is done

  • 6. 
    Using multiple pulleys would reduce the amount of force needed in order to do the work of the object.
    • A. 

      True

    • B. 

      False

  • 7. 
    What type of simple machine is found on the cap of a pickle jar?
    • A. 

      Wedge

    • B. 

      Wheel

    • C. 

      Screw

    • D. 

      Pulley

  • 8. 
    A device that has two or more simple machines working together 
    • A. 

      Complete machine

    • B. 

      Independent machine

    • C. 

      Complex machine

    • D. 

      Simple machine

  • 9. 
    Work  is done when a force is applied over a distance.
    • A. 

      True

    • B. 

      False

  • 10. 
    Screws and wedges are examples of an inclined plane.
    • A. 

      True

    • B. 

      False

  • 11. 
    Which simple machine would most likely be used to move an object over great distances and on a flat surface?
    • A. 

      Wedge

    • B. 

      Wheel and axle

    • C. 

      Inclined plane

    • D. 

      Pulley 

  • 12. 
    A door knob would be what type of simple machine? 
    • A. 

      Wheel and axle

    • B. 

      Pulley 

    • C. 

      Lever

    • D. 

      Wedge

  • 13. 
    Which of the following items would be considered as a(n) wheel and axle?
    • A. 

      Nutcracker

    • B. 

      Axe

    • C. 

      Windmill

    • D. 

      Screwdriver

  • 14. 
    Which of the following would not be using mechanical advantage
    • A. 

      Using your hand to open a jar 

    • B. 

      Using a pulley to raise a flag on a flagpole

    • C. 

      Use a crowbar to lift a heavy rock 

    • D. 

      Using an axe to cut through a log 

  • 15. 
    Which of the following would not be an example of a screw, simple machine object? 
    • A. 

      Nuts and bolts

    • B. 

      Jar lid

    • C. 

      Light bulb

    • D. 

      Wheelbarrow 

  • 16. 
    When a screwdriver is used to open a can of paint, what is the fulcrum in this specific example? 
    • A. 

      Your hand 

    • B. 

      The edge of the paint can

    • C. 

      Lid of the paint can 

    • D. 

      The screwdriver 

  • 17. 
    Where would you find the fulcrum on a seesaw? 
    • A. 

      On the left side 

    • B. 

      On the right side 

    • C. 

      In the middle 

    • D. 

      On the top

  • 18. 
    The fulcrum of a lever is the same as an axle on the wheel and axle, simple machine. 
    • A. 

      True

    • B. 

      False

  • 19. 
    Tweezers are a great example of a third class lever. 
    • A. 

      True

    • B. 

      False

  • 20. 
    All cells are multicellular. 
    • A. 

      True

    • B. 

      False

  • 21. 
    Prokaryotic cells do not have a nucleus
    • A. 

      True

    • B. 

      False

  • 22. 
    Based on the Cell theory, all cells come from existing _____________.
  • 23. 
    Cells are the simplest form of life.
    • A. 

      True

    • B. 

      False

  • 24. 
    All of the following are cell characteristics, identify which type of cell it would be? - Cell Membrane -Cytoplasm -Ribosomes -DNA
    • A. 

      Prokaryotic Cells

    • B. 

      Eukaryotic Cells

    • C. 

      Both Prokaryotes and Eukaryotes 

    • D. 

      None of the above

  • 25. 
    The nucleus acts as the control center for the Eukaryotic Cell.
    • A. 

      True

    • B. 

      False

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