Heat Transfer

What is the concept in which two objects in contact with each other transfer heat until they are equal?

• thermal equilibrium

• thermal energy

• thermal equality

• thermal heat

How does heat move?

• from cold to hot

• from hot to cold

What is energy caused by the internal movement of molecules; measured in joules?

• conduction

• heat

• radiation

• insulator

This curve indicates what about the heat energy?

• Heat energy is being added or absorbed

• Heat energy is being released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) of the graph would the substance be melting?

• No melting occurs on this graph

• Region C-E

• Region E-G

• Region G-I

• Region I-K

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

From point A to point F, the sample is going through an __________ process by __________.

• exothermic, releasing heat to the surroundings

• exothermic, absorbing heat from the surroundings

• endothermic, releasing heat to the surroundings

• endothermic, absorbing heat from the surroundings

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In which region(s) of the graph would the substance only be in one phase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.MS-PS1-4

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.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) of the graph would the substance only be in one phase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Which of these conditions is always true for an exothermic process?

• They leave the surroundings feeling cold
• They release energy into the surroundings.
• They absorb energy from the surroundings
• The reactants gain energy as they form the products

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5