IG 9 Final Exam Review

How does heat move?

• In many directions

• from warm places to cooler places

• from cold places to warm places

• Both B and C

If you burn your hand on the handle of a hot pot, heat was transferred to your skin by

• conduction

• convection

• radiation

• equilibrium

Energy from the Sun travels to Earth as

• Conduction

• Convection

• Insulation

• Radiation

What type of thermal energy transfer is number 2 pointing to?

• Convection

• Conduction

• Radiation

• Insulation

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

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.

A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?

• Solar radiation heated the driveway and then heat transferred to the crayon by conduction.
• Solar radiation heated the driveway and then heat transferred to the crayon by radiation.
• Solar convection heated the driveway and then heat transferred to the crayon by radiation.
• Solar convection heated the driveway and then heat transferred to the crayon by conduction.

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

• hotter / colder

• colder / hotter

• hotter / hotter

• colder / colder

Identify which form of matter is an example of radiation?

• oven

• Lava lamp

• Sun

• Rain

The movement of thermal energy from a warmer object to a cooler object is called:

• heat
• temperature
• motion
• momentum