Students answer challenging questions about how simple machines change force. Part A has four multiple-choice questions about ramp classification, how a pulley helps, and the description of a screw. Part B has five fill-in-the-blank problems about the fulcrum, the wheelbarrow as a compound machine, and how simple machines reduce force.
Explaining how each machine changes force requires deeper understanding than simply naming it.
Style:
Simple Machines
Part A: Multiple Choice
Circle the best answer for each question.
1. Which simple machine is a ramp an example of?
A) Lever
B) Wedge
C) Inclined plane
D) Pulley
2. How does a pulley make work easier?
A) It increases the weight of the load
B) It changes the direction of the force
C) It removes all friction
D) It makes objects lighter
3. A screw is best described as which of the following?
A) A flat surface used to slide objects
B) A bar that turns on a fulcrum
C) An inclined plane wrapped around a rod
D) A thin blade that splits things apart
4. Which pair of objects are both examples of a wedge?
A) Doorknob and steering wheel
B) Knife and axe
C) Seesaw and crowbar
D) Flagpole rope and blinds cord
Part B: Fill in the Blank
Write the correct answer on each line.
1. A lever needs a fulcrum to work as a turning point.
2. A wheelbarrow combines a lever and a wheel and axle.
3. Simple machines make work easier by reducing the force you must apply.
4. A zipper uses tiny wedges that lock and unlock as you pull the tab.
5. Moving a piano up a long ramp requires less force but more distance.
Simple Machines
★ Part A: Multiple Choice
Circle the best answer for each question.
1. Which simple machine is a ramp an example of?
A) Lever
B) Wedge
C) Inclined plane
D) Pulley
2. How does a pulley make work easier?
A) It increases the weight of the load
B) It changes the direction of the force
C) It removes all friction
D) It makes objects lighter
3. A screw is best described as which of the following?
A) A flat surface used to slide objects
B) A bar that turns on a fulcrum
C) An inclined plane wrapped around a rod
D) A thin blade that splits things apart
4. Which pair of objects are both examples of a wedge?
A) Doorknob and steering wheel
B) Knife and axe
C) Seesaw and crowbar
D) Flagpole rope and blinds cord
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) A lever needs a fulcrum to work as a turning point.
2) A wheelbarrow combines a lever and a wheel and axle.
3) Simple machines make work easier by reducing the force you must apply.
4) A zipper uses tiny wedges that lock and unlock as you pull the tab.
5) Moving a piano up a long ramp requires less force but more distance.
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9 Questions
12-18 minutes
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