Simple Machine Review (Grade 6)
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Simple Machine Review
1.
A simple machine combines two or more machines to make work easier.
- True
- False
2.
How many simple machines are there?
- four
- five
- six
- seven
3.
A machine with a bar that pivots on a fixed point is called a(n)
- watt.
- pulley.
- wheel and axle.
- lever.
4.
What is a machine with a grooved wheel that holds a cable?
- pulley
- lever
- wheel and axle
- wedge
5.
Which of the following is the BEST choice if you need to lift a piano to a third floor window?
- lever
- pulley
- wedge
- wheel and axle
6.
Which type of machine is a bicycle?

- simple
- compound
7.
A pickle jar lid is an example of a .
- pulley
- wedge
- screw
8.
A bottle opener is an example of what type of simple machine?
- Screw
- Inclined Plane
- Wedge
- Lever
9.
What are two examples of an inclined plane?
- lever and screw
- screw and wedge
- wedge and lever
10.
What tool would be best to use to lift a heavy load, like a washing machine?
- lever
- screw
- wedge
- wheel and axle
11.
Which simple machine turns a Ferris wheel?
- pulley
- wedge
- inclined plane
- wheel and axle
12.
Which is an example of a wedge?
- a doorknob
- a clock
- a zipper
- a light bulb
13.
The tools shown are a combination of which two simple machines?

- lever and screw
- wedge and lever
- screw and pulley
- pulley and wedge
14.
Which simple machine would stairs be an example?
- a wedge
- an inclined plane
- a pulley
- a lever
15.
What type of pulley is shown?

- fixed pulley
- movable pulley
- block and tackle
16.
What type of simple machine is a mountain road?
- lever
- wedge
- inclined plane
- wheel and axle
17.
What is the mechanical advantage of a single fixed pulley?
- 0
- 1
- 2
- 3
18.
How do you increase the mechanical advantage of an inclined plane?
- Increase the height of the inclined plane.
- Increase the output force.
- Decrease the length of the inclined plane.
- Increase the length of the inclined plane.
19.
What characteristic of simple machines is often expressed as a percentage?
- Work
- Power
- Efficiency
- Mechanical Advantage
20.
Which of the following best explains why lifting a heavy object with a single fixed pulley and rope makes the task seem easier?
- Less force is needed to lift the object.
- Less work is done when moving the object.
- The direction of the force required to lift the object is changed.
- The force needed to move the object is applied over a greater distance.
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