Work and Energy Fundamentals
This worksheet covers fundamental concepts of work and energy, including definitions, types of energy, and calculations, suitable for 7th-grade science students.
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Work and Energy Fundamentals
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Read each question carefully and answer to the best of your ability. Show your work for any calculations.
1. Which of the following is the best definition of work in physics?
The amount of effort put into an activity.
Force applied over a distance in the direction of the force.
The ability to do something.
The rate at which energy is used.
2. What type of energy is stored in a compressed spring?
Kinetic energy
Gravitational potential energy
Elastic potential energy
Chemical energy
3. Energy can be transformed from one form to another, but it cannot be created or .
4. The unit of measurement for both work and energy is the .
5. An object in motion possesses energy.
6. If you push a wall and it doesn't move, you have done a lot of work on the wall.
True
False
7. Potential energy is energy due to an object's position or state.
True
False
8. A student pushes a box with a force of 50 N for a distance of 3 meters. How much work was done?
9. Describe the difference between kinetic energy and potential energy. Give an example of each.
Match each term on the left with its definition on the right.
10. Work
a. Energy of motion
11. Energy
b. Force applied over a distance
12. Kinetic Energy
c. Stored energy
13. Potential Energy
d. The ability to do work