Heat Transfer

The kind of heat transfer that travels through space in electromagnetic waves is ______________________.

• insulation.
• Radiation
• Conduction
• Convection

Which of the following is the best example of conduction?

• A light bulb warming a lampshade
• An egg cooking in a frying pan
• Water boiling in a pot
• Gases circulating in the atmosphere

The arrows in the picture below show several ways heat is transferred from the Sun as it strikes sand on the surface of a beach. Which arrow shows convection?

• 1

• 2

• 3

• 4

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

Molecules in cold things move more _________
than in hot things.

• quickly
• slowly
• happily
• merrily

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which direction is heat flowing in the picture?

• from the hand to the ice
• from the ice to the hand
• heat is not being transferred
• there is no way to tell

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Sarah is investigating the transfer of energy in the form of heat. One process that transfers energy between two objects is conduction.

Which statement is NOT true about conduction?

• It involves a transfer of energy in the form of heat.

• It can transfer energy through empty space.

• It requires direct contact between the objects.

• It results in a change of temperature in both objects.

Tags

NGSS.MS-PS1-4

Four steel blocks were heated to different temperatures and stacked together as shown. In which direction will heat be transferred?

• From Sample 4 to Sample 1

• From Sample 2 to Sample 3

• From Sample 2 to Sample 4

• From Sample 3 to Sample 2

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

If two objects have reached the same temperature they have reached:

• a melting point.
• a boiling point.
• thermal equilibrium.
• specific heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hot coffee is stirred with a spoon; the spoon gets hot due to

• conduction
• convection
• radiation

Tags

NGSS.MS-PS1-4