15 Questions
What is the branch of science concerned with the nature and properties of matter and energy?
Physics
What is the measure of the internal energy of the molecules that make up a substance?
Heat
What is a measure of the average kinetic energy of the molecules in a substance?
Temperature
What is the most fundamental thermodynamic quantity?
Temperature
Which quantities describe a system as a body according to the text?
T, temperature; P, pressure; V, volume; M, mass
What happens when two bodies with different temperatures contact each other but are isolated?
Their temperatures become equal
What is the microscopic interpretation of temperature?
Measure of the average kinetic energy of molecules
What is the situation called when a system's state variables do not change over time and have the same value everywhere?
Thermal equilibrium
What happens to the electrical resistance of a heated wire?
Increases
According to the Zeroth Law of Thermodynamics, what is in balance if two separate objects are in thermal equilibrium with a third object?
Heat
What is the instrument used to measure temperature?
Thermometer
What is a measure of the nature and properties of matter and energy?
Physics
Why is mercury no longer used in most thermometers?
It is a poisonous substance
What happens to the pressure of a heated gas?
Increases
What happens to the volume of a heated piece of iron?
Increases
Test your knowledge of physics measurements with this quiz. Explore units of mass, length, volume, heat, and more. Perfect for students and enthusiasts of physics.
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