Work and Power in Action
Explore the concepts of work, power, and simple machines with this Grade 6 science worksheet.
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Standards
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Work and Power in Action
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work for any calculations.
1. In science, work is done when a causes an object to move a certain .
2. The unit of measurement for work is the .
3. If you push on a wall but it doesn't move, you are doing work.
4. Which of the following best defines power?
The amount of force applied to an object.
The rate at which work is done.
The distance an object moves.
The energy an object possesses.
5. The unit of measurement for power is the .
6. A student lifts a 20 N (Newtons) backpack 1.5 meters off the floor. How much work did the student do?
7. If the student from question 6 lifted the backpack in 2 seconds, how much power did they use?
8. A simple machine makes work easier by decreasing the total amount of work needed.
True
False
9. A lever is an example of a simple machine.
True
False
10. What type of simple machine is shown above?
Match each simple machine with its description.
11. Lever
a. A rope wrapped around a wheel
12. Pulley
b. A slanted surface used to move objects to a higher elevation
13. Inclined Plane
c. A rigid bar that pivots around a fixed point
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