Conduction, Convection, Radiation

what is the meaning of convection?

• cold rises heat falls
• heat
• cold
• hot rises cold falls

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

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

• conduction
• convection
• radiation
• Insolation 

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

In which direction does heat transfer?

• Freezing to HOT

• Hot to Warm

• Hot to Cold

• Cold to Hot

Radiation= 

• physical contact
• warm air rising
• heat moving through empty space
• say what?

In a swimming pool, water near the surface is slightly warmer. The warm water rises because of

• conduction
• convection
• radiation

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.

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

• conduction
• convection
• radiation

The sun shines down on this family as the play on the beach.

• conduction
• convection
• radiation