Heat Transfer

Heat Transfer

by Michael Uleau

Multiple Choice

The energy of moving particles is called _____.

• sound energy

• heat or thermal energy

• light energy

• mechanical energy

Multiple Choice

Calorie is a measure of

• Energy

• Weight

• Distance

• Volume

Multiple Choice

A measure of how hot or cold something is; specifically a measure of the average kinetic energy of the particles in an object.

• Thermometer
• Temperature
• Absolute Zero
• Specific Heat

Multiple Choice

What is the boiling point of water

• 0 C

• 100 C

• 273 C

• 50 C

Multiple Choice

What is water's freezing point?

• 100 C

• 0 C

• 32 C

• 5 C

Multiple Choice

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.

Multiple Choice

When air is heated, its density ___________.

• increases

• decreases

• remains the same

Multiple Choice

Heat 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. 

Multiple Select

What is convection ? (Choose all answers that apply)

• method of transfer of heat in fluids

• method of transfer of heat in solids

• transfer of heat due to movement of molecules

• transfer of heat due to vibration of molecules

Multiple Choice

By which process is thermal energy transferred through a vacuum?

• conduction only

• convection only

• conduction and convection only

• radiation only

Multiple Choice

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

• Conduction
• Radiation
• Convection
• Density

Multiple Choice

Convection can take place in ____________.

• solids only.

• liquids only.

• liguids and gases only.

• solids, liquids and gases.

Multiple Choice

When air is heated, its volume ____________.

• increases

• decreases

• remains the same

Multiple Choice

When air is heated, its density ___________.

• increases

• decreases

• remains the same

Multiple Choice

Convection can take place in ____________.

• solids only.

• liquids only.

• liguids and gases only.

• solids, liquids and gases.

Multiple Choice

In the process of convection, energy is transferred _________.

• because of temperature differences in a solid

• because of density differences in a liquid

• by the diffusion of molecules throughout a fluid

• by the vibration of molecules