Thermal Energy Transfer Formative Assessment CMSN

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

What is the definition of CONVECTION?

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• When hot liquid/air rises and cold liquid/air sinks due to a change in density.
• Heat traveling from the sun

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

Which of the following is needed for convection to happen?

• Fluid/s
• Light in the form or rays
• Electromagnetic waves
• Fire

When a pot is  touching a stove that is on, what heat transfer is happening?

• Convection
• Radiation
• Conduction

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

• conduction
• convection
• radiation
• Insolation 

The baby chickens are kept warm from the heat lamps.  What type of heat transfer does this demonstrate?  

• conduction
• convection
• radiation

Heat always transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

Walking on the warm sand with your bare feet demonstrates what type of heat transfer?

• conduction
• convection
• radiation

Warm air is __________ dense than cold air and __________ creating convection currents.

• more, rises
• less, rises
• more, sinks
• less, sinks