# First Law of Thermodynamics: Law of Conservation of Energy

Instructions:

question 1 of 3

### Which of the following does NOT apply to the First Law of Thermodynamics?

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### 2. Based on the Law of Energy Conservation, which of the following would best maintain a machine's ability to do work without input of additional energy?

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This quiz and corresponding worksheet will help you gauge your understanding of the law of conservation of energy or the first law of thermodynamics. Topics you'll need to know to pass the quiz include knowing what the first law of thermodynamics entails and how the law applies to various situations.

## Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

• What the first law of thermodynamics entails
• Whether the law of thermodynamics applies to machines
• The best method to maintain a machine's level of output without the addition of more energy
• The mass of wood after burning
• What causes a bike to eventually stop coasting on a flat road

## Skills Practiced

This worksheet and quiz will let you practice the following skills:

• Defining key concepts - ensure that you can accurately define main words, such as mass and friction
• Reading comprehension - ensure that you draw the most important information from the related lesson on the law of conservation of energy
• Interpreting information - verify that you can read information regarding machines and the law of conservation of energy and interpret it correctly

To learn more about the principles of energy within any system, review the corresponding lesson on the Law of Conservation of Energy. This lesson covers the following topics:

• Define chemical potential energy
• Know what the law of conservation of energy states
• Understand the meanings of matter, energy and work in this context
• Compare and contrast closed and open systems
• Recognize practical applications of the law
• Define friction
Final Exam
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