Work and Energy Review
A Grade 9 science worksheet covering fundamental concepts of work, energy, and power, including calculations and definitions.
Includes
Standards
Topics
Work and Energy Review
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for mathematical problems.
1. Which of the following is the standard unit of work and energy?
Watt
Newton
Joule
Kilogram
2. What type of energy is stored in an object due to its position or state?
Kinetic energy
Thermal energy
Potential energy
Chemical energy
3. Work is done when a force causes a in the direction of the force.
4. The rate at which work is done or energy is transferred is called .
5. According to the Law of Conservation of Energy, energy can be created or destroyed.
True
False
6. A car moving at a high speed has less kinetic energy than a car moving at a low speed, assuming both cars have the same mass.
True
False
7. A student pushes a box with a force of 50 N across a distance of 10 meters. Calculate the work done by the student.
8. Explain the difference between kinetic energy and potential energy, providing an example for each.
Match each term on the left with its definition on the right.
9. Work
a. The ability to do work
10. Energy
b. Force applied over a distance
11. Power
c. Rate at which work is done
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