Heat: Movement of Heat

Heat:

Movement of Heat

Multiple Choice

the transfer of heat through a medium (material) by direct contact of molecules

• conduction

• convection

• radiation

Multiple Choice

the transfer of heat in a fluid (gas or liquid) by means of up & down movements called convection currents

• conduction

• convection

• radiation

Multiple Choice

the transfer of heat through a vacuum (empty space)

• conduction

• convection

• radiation

Multiple Choice

The diagram below shows an iron rod that is being heated. What type of heat flow shown above?

• Transfer

• Radiation

• Convection

• Conduction

Multiple Choice

A material that allow heat or an electric current to flow through easily. Example is metal.

• conductor

• circuit

• conversion

• heat transfer

Multiple Choice

A material through which heat or electricity does not easily flow

• friction

• insulator

• movement

• water

Multiple Choice

Feeling the warm breeze from the ocean is an example of...

• conduction

• convection

• radiation

Multiple Choice

Burning your feet on the hot sand is an example of...

• conduction

• convection

• radiation

Multiple Choice

Sunbathing is an example of...

• conduction

• convection

• radiation

Multiple Choice

What is something that prevents heat, electricity, sound, light...to pass through it?

• insulator

• conduction

• heat transfer

• conductor

Multiple Choice

What is something that readily conducts heat, electricity, sound...

• insulator

• conduction

• thermal equilibrium

• conductor

Multiple Choice

A(n) _____________ is a device for measuring temperature.

• thermometer
• barometer
• anemometer
• psychrometer 

Multiple Choice

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.

Multiple Choice

The first law of thermodynamics is a restatement of the

• Zeroth law of thermodynamics
• law of heat addition
• principle of entropy
• conservation of energy

Multiple Choice

Energy cannot be created or destroyed.

• 0th law

• 1st law

• 2nd law

• 3rd law

Multiple Choice

Which law of thermodynamics states that absolute zero cannot be reached?

• 1st
• 2nd
• 3rd

Multiple Choice

Thermal energy always moves:

• From a high temperature object to a lower temperature object.
• From a lower temperature object to a higher temperature object.
• From an object with lower kinetic energy to an object with higher kinetic energy.
• From an object of higher mass to an object of lower mass.

Multiple Choice

It is possible to reach absolute zero

• true
• false

Multiple Choice

How does heat move?

• from cold to hot

• from hot to cold

Multiple Choice

Two identical blocks of iron, one at 10 degrees C and the other at 20 degrees C, are put in contact. Suppose the cooler block cools to 5 degrees C and the warmer block warms to 25 degrees C. This would violate the

• first law of thermodynamics.
• second law of thermodynamics.
• both of the above
• none of the above

Multiple Choice

The 2nd Law of Thermodynamics tells us...

• Heat flows from cold to hot.

• Heat flows randomly, it's a 50/50 coin flip

• Heat doesn't flow, temperature flows.

• Heat flows from hot to cold.