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10th Grade First Law Quizzes, Questions & Answers

10th Grade

Top Trending First Law Quizzes

First Law Basics: Internal Energy, Work, Heat, Sign Convention

This assessment focuses on the first law of thermodynamics, evaluating understanding of internal energy, work, and heat transfer. Key concepts include energy conservation, sign conventions, and the relationship between heat and...

Questions: 20 | Attempts: 17 | Last updated: Mar 8, 2026

Sample Question 1
The first law of thermodynamics is best stated as:

Energy can be created if needed

Heat always flows from cold to hot

Energy is conserved; changes in internal energy depend on heat and work

Entropy always decreases

Sample Question 2
If Δu=0, the system’s temperature must stay constant for all processes.

True

False

Sample Question 3
If a gas absorbs 500 J of heat and does 200 J of work on the surroundings, Δu is:

-700 J

-300 J

+300 J

+700 J

10th Grade First Law Quizzes, Questions & Answers

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