Kinetic Energy Exploration
A Grade 8 science worksheet exploring the concepts of kinetic energy, its factors, and real-world applications.
Includes
Standards
Topics
Kinetic Energy Exploration
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Kinetic energy is the energy an object possesses due to its .
2. The two main factors that affect kinetic energy are and .
3. If you double the mass of an object, its kinetic energy will .
4. If you double the speed of an object, its kinetic energy will increase by a factor of .
5. Which of the following objects has the most kinetic energy?
A 10 kg bowling ball moving at 2 m/s
A 5 kg bowling ball moving at 4 m/s
A 20 kg bowling ball moving at 1 m/s
They all have the same kinetic energy
6. The unit of kinetic energy is the:
Watt
Newton
Joule
Volt
7. A car with a mass of 1500 kg is traveling at a speed of 20 m/s. Calculate its kinetic energy.
8. Explain how kinetic energy is transformed into other forms of energy when a moving car brakes.
9. An object at rest has zero kinetic energy.
True
False
10. The kinetic energy of an object is directly proportional to its velocity.
True
False
11. A toy car has a kinetic energy of 50 Joules and a mass of 1 kg. What is its speed?
12. Consider a baseball pitcher throwing a baseball. Describe how the kinetic energy of the baseball changes from the moment it leaves the pitcher's hand until it is caught by the catcher.