Thermodynamics Intro

(p.334) What happens to the temperature of a nail when it is pulled from a piece of wood?

• increases

• decreases

• stays the same

(p.334) - Follow up to question 1: Why does this temperature change occur?

(p.334) Internal energy can be used to do ____.

(p.334) "​ (a)   can be transferred to a substance as ​ (b)   , and this ​ (c)   energy can then be used to do ​ (d)   ."

• energy
• heat
• internal
• work
• external
• magnetic
• inelastic
• physical
• time
• atomic

(p.334) Explain how energy is transferred in the example shown in figure 1.1:

(p.334) "On a microscopic scale, heat and work are _______."

(p.334) True or False: An object never has 'heat' or 'work' in it; it has only internal energy.

• True

• False

• Depends

What is the definition of a "system" on p.335?

(p.335) "As the burner transferred energy as heat to the system, the system's internal energy __________."

• increased

• decreased

• stayed the same

(p.335) "When the expanding steam did work on the air outside the balloon [...], the system's internal energy _________."

• increased

• decreased

• astayed the same