CFA: Thermal Energy Ch. 2

True or False: Energy can be created or destroyed to change temperature.

• True

• False

Tags

NGSS.MS-PS1-5

True or False: Molecules speed up when energy is transferred to them from other molecules; and slow down when energy is transferred away from them to other molecules.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The average kinetic energy of the molecules of a thing is a measurement of?

• Temperature

• Molecules

• Atoms

Tags

NGSS.MS-PS1-4

When a thing gets hotter, its molecules are moving...

• Not at all

• Slower

• Faster

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

True or False: Objects or things that have higher temperatures have more kinetic energy.

• True

• False

Tags

NGSS.MS-PS1-4

Energy transfers from a __________ object to a ________ object.

• hot / cold

• cold / hot

• larger / smaller

• liquid / solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Energy stops transferring between two objects when:

• Energy never stops transferring

• When the two objects have had their energy destroyed

• They reach the same temperature and are in a stable state

Tags

NGSS.MS-PS3-5

True or False: A system that is at equilibrium is NOT in a balanced state, and all of the molecules are NOT moving at about the same speed.

• True

• False

When two things come into contact, their molecules collide and kinetic energy is transferred from ______ moving molecules to ______ moving molecules.

• faster / slower
• slower / slower

• liquid / solid

• faster / faster

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

When we feel "hot" or "cold" when we touch an object, we are actually feeling?

• the transfer of thermal energy to or away from our hand

• the combustion of atoms

• The creation of energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

NGSS.MS-PS3-4