Thermodynamics

Which powder produced the greatest temperature decrease?

• NaCl

• NH4NO3

• CaCl2

• KCl

Tags

NGSS.HS-PS3-4

Which material would enable you to warm your hands the fastest according to the experiment?

• LDPE

• HDPE

• Mylar

• Neoprene

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What do we call the relationship between thermal energy, heat and work?

• Closed System

• Entropy

• Conductors

• Thermodynamics

Tags

NGSS.HS-PS3-4

When you place the metal in boiling water, heat flows from the _________ to the _______.

• metal to the boiling water

• bottom of the metal to the top half of the metal

• bottom of the water to the top of the water

• boiling water to the metal

Tags

NGSS.HS-PS3-4

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

Which statement is true about the ENTROPY?

• Entropy refers to DISORDER, the unusable energy that escapes a system.

• Entropy refers to the balance of temperature among two or more systems.

• Entropy refers to the average kinetic energy of the molecules.

• Entropy refers to the inability to destroy or create energy. 

The first law of thermodynamics is a restatement of the

• Zeroth law of thermodynamics

• law of heat addition

• principle of entropy

• conservation of energy

Tags

NGSS.HS-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-PS3-2

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 first law of thermodynamics states that energy is

• created

• destroyed

• conserved

• created and destroyed

Tags

NGSS.HS-PS3-1