Heat and temperature

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.

The candle will slowly heat the metal and transfer the heat directly to the mans hand. This is an example of _?_.

• conduction

• convection

• radiation

Which is the best choice for the handle of a frying pan?

• Metal, because it conducts heat.

• Wood, because it conducts heat.

• Metal, because it does not conduct heat.

• Wood, because it does not conduct heat.

Which part of the diagram shows conduction?

• Part A

• Part B

• Part C

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

• conduction
• convection
• radiation
• Insolation 

Water boils due to what type of heat transfer?

• Conduction

• Convection

• Radiation

Hot air ______ while cool air ____

• Sinks, Rises
• Rises, Rises
• Rises, Sinks
• Convection, Radiation 

The liquid in a thermometer ______________ as the temperature increases.

• expands
• disappears
• freezes
• explodes

_________________________ is a measure of the average kinetic energy of the particles in a material.

• thermal
• friction
• temperature
• expansion

The liquid in the thermometer rises when it is placed in the hot water because ___________. 

• it gains heat from the hot water and expands.
• loses heat from the hot water and contracts. 
• the surrounding air is too warm. 
• the liquid is boiling.