Thermal Physics

In the Given diagram, the possible direction
of heat energy transformation is

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

The value of universal gas constant

• 3.81 Jmol^–1 K^–1

• 8.03 Jmol^–1 K^–1

• 1.38 Jmol^–1 K^–1

• 8.31 Jmol^–1 K^–1

Tags

NGSS.HS-PS3-4

If a substance is heated or cooled, the

change in mass of that substance is

• positive

• negative

• zero

• none of the above

If a substance is heated or cooled, the

linear expansion occurs along the axis

• X or –X

• Y or –Y

• both (a) and (b)

• (a) or (b)

Tags

NGSS.MS-PS1-4

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero

• they both have an equal temperature

• one runs out of energy

Tags

NGSS.MS-PS1-4

Heat always transfers from hot to cold. 

• True

• False

Tags

NGSS.MS-PS1-4

The transfer of thermal energy between objects of different temperatures is called...

• temperature

• heat

• internal energy

• none of these

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

True/False: when two substances reach the same temperature they are in thermal equilibrium.

• True

• False

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

What is happening at the boiling point?

• liquid to gas

• solid to liquid

• gas to liquid

• liquid to solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4