Laws of Thermodynamics

What is thermodynamics?

• study of heat and work

• study of momentum

• study of atoms

• study of light

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NGSS.HS-PS3-4

NGSS.HS-PS1-4

It is possible to reach absolute zero

• true
• false

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

• increase
• decrease
• stay constant
• fluctuate wildly

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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.

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NGSS.HS-PS3-4

The first law of thermodynamics states that energy is

• created
• destroyed
• conserved
• created and destroyed

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NGSS.HS-PS3-2

NGSS.HS-PS3-1

How many laws of thermodynamics are there?

• 5

• 4

• 3

• 2

• 1

Entropy increases from solid, liquid to gas. Why?

• Molecular disorder increases
• Molecular randomness decreases
• Molecules are more energetic
• Molecules are more reactive

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NGSS.HS-PS3-4

NGSS.HS-PS3-2

In which of the following systems is entropy increasing?

• Putting together a puzzle
• Putting books on a shelf
• Breaking a plate
• Filling a jar of salt

The first law of thermodynamics states that the change in the internal energy of a system is equal to the difference in energy transferred to or from the system as heat and

• mass
• work done
• force
• pressure

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low

• low to high

• high to high

• All

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NGSS.HS-PS3-4