Unit 2 Heat & Temperature

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

• true
• false

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-3

When heat is transferred by the circular movement of currents, it is called 

• conduction
• convection
• radiation

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

When heat is transferred by direct contact, it is called

• conduction
• convection
• radiation

5. Heat is....

• a measure of the average kinetic energy of the molecules
• a measure of the ability to gain temperature
• the measure of how much energy moved from one place to another.
• a measure of how hot an object is at this moment

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which type of heat transfer can occur in a vacuum?

• Conduction
• Convection
• Radiation
• All of the above

The transfer of energy by electromagnetic waves is called

• conduction
• convection
• radiation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• temperature
• heat
• internal energy
• none of these

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-3

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

• True
• False

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The total of all energies in a substance is its...

• temperature
• heat
• internal energy
• specific heat

Tags

NGSS.MS-PS3-4

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-PS3-4

NGSS.MS-PS1-4