Thermal Energy

What is temperature?

• The sum of kinetic and potential energy of the particles in an object

• The transfer of energy from one object to another

• The measure of the average kinetic energy of particles in an object

• The thermal energy that is moving or is capable of moving

What makes chocolate melt in your hand?

• The thermal energy gained by your hand is equal to thermal energy gained by the chocolate bar

• The thermal energy lost by your hand is NOT equal to thermal energy gained by the chocolate bar

• 
  The thermal energy lost by your hand is equal to thermal energy gained by the chocolate bar

• The thermal energy gained by your hand is NOT equal to thermal energy gained by the chocolate bar

Which is the best conductor of heat?

• Air

• Wood

• Styrofoam

• Metal

Which method of heat transfer occurs in liquids and gases?

• Conduction

• Convection

• Radiation

• Absorption

Which material is an insulator?

• Metal

• Skin

• Air

• Water

What is specific heat?

• The amount of heat needed to raise the temperature of 1 kg of a material by 1 °C or K

• The sum of kinetic and potential energy of the particles in an object

• The transfer of energy from one object to another

• The measure of the average kinetic energy of particles in an object

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

The heat from a hot burner to a pot is transferred by ______.

• convection
• insulation
• radiation
• conduction

The sun warming your skin is an example of heat transfer through 

• conduction
• convection
• radiation
• thermal electricity

Which example below is an example of convection?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet