Grade 9 Science: Motion and Energy
This worksheet covers fundamental concepts of motion, forces, work, power, and different forms of energy for Grade 9 science students.
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Grade 9 Science: Motion and Energy
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which of the following is a unit of power?
Joule
Newton
Watt
Meter per second
2. An object at rest has:
High kinetic energy
Zero kinetic energy
High potential energy
Zero potential energy
1. The rate at which work is done is called .
2. Energy stored due to an object's position or state is called energy.
3. Newton's First Law of Motion is also known as the Law of .
1. State the Law of Conservation of Energy.
2. Differentiate between speed and velocity.
Match each term on the left with its correct definition on the right.
1. Force
a. The amount of matter in an object
2. Work
b. A push or a pull
3. Mass
c. Energy of motion
4. Kinetic Energy
d. Force applied over a distance
1. A car with a mass of 1200 kg is traveling at a velocity of 20 m/s. Calculate its kinetic energy.
2. A student pushes a box with a force of 50 N for a distance of 10 meters. How much work is done?
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