Heat and Heat Transfer

Which way does heat transfer?

• from less hot to hotter

• from cold to colder

• from cold to warm

• from hottest to less hot

Tags

NGSS.MS-PS3-4

When does heat transfer stop occurring?

• When equilibrium is reached

• when there is no energy left to transfer

• never

• when everything is cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Radiation requires matter to travel through

• True

• False

Contact need to occur for conduction to happen

• True

• False

What is temperature?

• The average kinetic energy of matter

• The transfer of thermal energy

• what we measure with a barometer

• The energy that makes molecules vibrate

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

When warm air rises, _________ heat transfer occurs

When thermal energy is added to an object, what happens to the molecules?

• Molecules move faster and farther apart

• molecules get closer together

• The molecules get cooler

• the molecules move slower

Tags

NGSS.MS-PS1-4

How does gravity help convection?

• Denser matter sinks because of gravity

• lighter matter sinks because of gravity

• matter that is more dense will float

• dens matter is attracted by space

Which way is heat transferred in this picture?

• Heat transfers from the ice cube to the hand.

• Cold transfers from the hand to the ice cube

• Cold transfers from the ice cube to the hand

• Heat transfers from the hand to the ice cube

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

We use a _____ to measure the average thermal energy of an object.

Tags

NGSS.MS-PS3-4