Thermodynamics

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

A substance with a high specific heat:

• Is always extremely hot.
• Requires a lot of energy to become hot.
• Is not heavy.
• Does not requires a lot of energy to become hot.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

Tags

NGSS.HS-PS3-4

The second  law of thermodynamics states that entropy of a system  tends to ______________. 

• increase
• decrease
• stay constant
• fluctuate wildly

Tags

NGSS.HS-PS3-4

The temperature of a glass of cold water will eventually...

• Match the temperature of the surrounding environment.
• Always be colder than the surrounding environment.
• Become warmer than the surrounding environment.
• Never change temperature.

Tags

NGSS.HS-PS3-4

The first law of thermodynamics states that energy is

• created
• destroyed
• conserved
• created and destroyed

Which law of thermodynamics states that absolute zero cannot be reached?

• 1st
• 2nd
• 3rd

1200 J of heat are added to a sample of gas while the gas does 400 J of work on the environment. What is the change in internal energy of the gas?

• 800 J

• 1600 J

• -800 J

• -1600 J

Tags

NGSS.HS-PS3-1

If the particles that make up an object begin to move quickly, their average kinetic energy _____ and the object's temperature _____.

• increases, falls

• increases, rises

• decreases, rises

• decreases, falls

Tags

NGSS.HS-PS3-2