Simple Machines

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Simple Machines

• What do you know about simple machines?

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Take the Quiz

• Directions
• Number a piece of paper 1-20.
• Get ready for each slide/question.
• Make your best guess.

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• Janice needs to split a log. She has a sledge
  hammer. What other tool should she use to split
  the log?
• a. a lever
• b. a pulley
• c. a wedge
• d. a fulcrum

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• 2. A seesaw on a playground is an example of what
  type of simple machine?
• a. lever
• b. screw
• c. wedge
• d. wheel and axle

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• 3. Scissors are an example of a complex machine.
  Which of the following simple machines are
  combined to make the scissors?
• a. lever and gear
• b. gear and pulley
• c. lever and wedge
• d. wedge and pulley

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• 4. It is easiest to push a box up which ramp?
• a.
• b.
• c.
• d.

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• 5. What simple machine is helping Tom move the
  toys?
• a. screw
• b. wheel
• c. wedge
• d. lever

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• 6. Which force does a friend use to make you go
  higher on a playground swing?
• a. pull
• b. push
• c. pulley
• d. lever

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• 7. The simple machine, shown by the arrow, that
  enables you to stop your bike is
• a. pulley
• b. an inclined plane
• c. a wheel
• d. a lever

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• 8. When a ball is thrown into the air, it falls
  back to the ground. What causes this to happen?
• a. the round shape of the ball
• b. the way the ball is thrown
• c. the force of the air against the ball
• d. the force of gravity on the ball

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• 9. Which of the following is a simple machine?
• a. water
• b. pulley
• c. chair
• d. candle

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• 10. Billy was pulling his wagon on the sidewalk.
  What should he do to keep the wagon moving?
• a. walk behind the wagon
• b. Apply a force to the wagon
• c. Put a weight in the wagon
• d. Walk on the side of the wagon

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• 11. Which simple machine is used on a flagpole to
  help when the flag is raised?
• a. lever
• b. pulley
• c. inclined plane
• d. wedge

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• 12. A push or pull on an object will make it
• a. move
• b. larger
• c. hot
• d. smaller

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• 13. Jill shoots a basketball but it falls short
  of the hoop. Which should Jill do to make a score
  from the same place?
• a. use less force on the ball
• b. use more pull on the ball
• c. use more force on the ball
• d. use less energy on the ball

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• 14. The hand truck (dolly) shown in the picture
  is used in stores to move boxes. Which simple
  machines are part of a hand truck?
• a. pulley and lever
• b. lever and wheel and axle
• c. inclined plane and wheel
• d. pulley and inclined plane

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• 15. A pulley would be used to
• a. cut paper
• b. lift an object
• c. split a log
• d. hold objects together

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• 16. Which simple machine would be BEST for
  lifting piano to the second floor?
• a. gear
• b. screw
• c. wedge
• d. pulley

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• 17. Which simple machine BEST describes a shovel?
• a. screw
• b. lever
• c. pulley
• d. wheel

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• 18. What is the name of the simple machine being
  used in the picture?
• a. glide
• b. pulley
• c. swing
• d. wheel

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• 19. Which example of a simple machine is a lever?
• a. screw
• b. pulley
• c. ramp
• d. pliers

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• 20. What is a simple machine?
• a. a machine with few parts
• b. a machine that cannot operate
• c. a machine that is very complicated
• d. a machine that can operate without
• energy put in