6.8.4 Heat Transfer

In which substance would heat transfer by conduction work best?

• oxygen gas
• iron metal
• liquid water
• liquid alcohol

Which is true of a pot and a penny with equal temperatures?

• they have the same thermal energy
• they are both gaining thermal energy
• the penny has more thermal energy
• the pot has more thermal energy

How is heat transferred form the sun to Earth?

• by convection currents
• by conduction
• by radiation
• by thermal energy

Which temperature is the freezing point of water in the Celsius scale?

• 100 degrees
• 32 degrees
• 10 degrees
• 0 degrees
• 212 degrees

The transfer of heat between two substances that are in direct contact is called _______________.

The transfer of heat by the movement of a fluid is called ____________________.

The average amount of energy of motion of each particle of a substance is called ______________.

Radiation is the direct transfer of energy by __________________________________.

Only the first few meters (from the ground up) of the troposphere are heated by ________________.

______________________ is a measure of the total energy of the particles in a substance.