Transferring Thermal Energy

Transferring Thermal Energy

by William Lovering

Multiple Choice

A measure of the average kinetic energy of particles in a substance

• temperature

• heat energy

• heat transfer

• conduction

Multiple Choice

Scientific law stating that energy can be neither created nor destroyed but just changes form

• Law of Conservation of Energy

• Law of Order

• Law of Energy

• Law of Convection Current

Multiple Choice

The total kinetic (motion) energy of the tiny particles that make up matter; the faster the particles move, the warmer the matter becomes

• convection

• temperature

• thermal energy

• fire

Multiple Choice

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

• heat
• temperature
• motion
• momentum

Multiple Choice

Heat transfer occurs:

• in many directions
• both from warm objects to colder ones and from cold objects to warmer ones
• only from warm objects to colder ones
• only from cold objects to warmer ones

Multiple Choice

The direct transfer of heat from one substance to another substance that it is touching.

• convection

• conduction

• temperature

• radiation

Multiple Choice

Burning your finger on a hot pan is an example of

• convection

• conduction

• radiation

• conservation

Multiple Choice

When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?

• From the cold cup to your hand
• From the cold cup to the warm air
• From the ice to your hand
• From your warm hand to the cold cup.

Multiple Choice

Conductors are materials that...

• Allow heat to pass through
• Stop heat from passing through
• Allow cold to pass through
• Stop cold from passing through

Multiple Choice

What is one type of good conductor that we learned about in class?

• Most plastics
• Most fruits
• Most wood products
• Most metals

Multiple Choice

Heat will always flow from

• from warmer object to a cooler object
• inside and object to outside an object
• from a cooler object to a warmer object
• up to down

Multiple Choice

The heat from a hot burner to a pot is transferred by ______.

• convection
• insulation
• radiation
• conduction

Multiple Choice

Helium balloons rise on earth because

• helium is less dense than the air around it

• helium is more dense than the air around it

• helium is cooler than the air around it

Multiple Choice

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

• conduction
• convection
• radiation
• Insolation 

Multiple Choice

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.
• The water warms up due to the humidity

Multiple Choice

A scientist has four different liquids and pours them all into a bottle.  The silver liquid sinks to the bottom, the red liquid settles on top of the silver one, and the pink liquid stays at the surface. Which liquid has the smallest density?

• the pink liquid
• the silver liquid
• the red liquid
• the water

Multiple Choice

A brick sinks in water while a wooden block of the same size floats.  This is because the brick has a

• lower volume than the wooden block
• lower density than the wooden block
• higher volume than the wooden block
• higher density than the wooden block

Multiple Choice

Which example below is an example of convection?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet

Multiple Choice

Which example below is an example of radiation?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The Sun heating the Earth
• Touching hot sand with your feet