Thermal Properties

Thermal Properties

Forces Ch 5 L 3 p. 144-147

Multiple Choice

Thermal energy travels...

• Hot to cold
• Cold to hot
• Inside to outside
• Outside to inside

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

Gloves help keep your hands warm in winter because:

• They are conductors of heat.
• They are fuzzy.
• They are conductors of electrical energy.
• They are insulators.

Multiple Choice

Is wood a conductor or insulator?

• Conductor

• Insulator

Multiple Choice

Is wood a conductor or insulator?

• Conductor

• Insulator

Multiple Choice

A ______________ is a material that does not transfer thermal energy well.

• insulator
• conductor
• reflector
• radiator

Multiple Choice

A ______________ is a material that transfers thermal energy well.

• insulator
• protector
• conductor
• reflector

Multiple Choice

Wood, straw, and wool are materials that are good __________________.

• insulators

• conductors

• reflectors

• generators

Multiple Choice

Wood, straw, and wool are materials that are good __________________.

• insulators
• conductors
• reflectors
• generators

Multiple Choice

To change the temperature of different objects by the same amount what is required?

• Different amounts of thermal energy

• Different amount of heat

• Different amounts of temperature

Multiple Choice

A material with a(n) ___________ specific heat can absorb a great deal of thermal energy without a great change in temperature.

• High
• Low

Multiple Choice

Specific heat is....

• The measure of kinetic energy of an objects particles

• A measure of the energy needed to increase the average kinetic energy of the particles

• The heating caused by the motion of flluid due to temperature difference

• The transfer of energy by electromagnetic radiation

Multiple Choice

Thermal expansion occurs when particles of matter move farther apart as temperature increase.

• True

• False

Multiple Choice

Objects gain heat and _________. 

• expand
• contract

Multiple Choice

An increase in the volume of a substance when the temperature increases is called ___________________________________.

• kinetic energy

• thermal expansion

• temperature

• heat

Review Questions

Time to see what you have learned!

Multiple Choice

What is Thermal expansion?

• The transfer of thermal energy between materials by the collisions of particles 
• Is a decrease in a materials volume when temperature decreases 
• An increase in a materials volume when temperature increases
• Chicken fried rice

Multiple Choice

What is Specific Heat?

• The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
  
• The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
• The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
• The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.

Multiple Choice

Most metals are good conductors of heat.

• True
• False

Multiple Choice

To keep food warm or cool, coolers are made out of materials that are _________________.

• insulators
• conductors

Multiple Choice

If two objects of the same mass require different amounts of heat to raise their temperature 10 kelvin, the objects have different ______________.

• specific heats
• thermal expansions

Multiple Choice

A material with a(n) ___________ specific heat can absorb a great deal of thermal energy without a great change in temperature.

• High

• Low

Multiple Choice

A material with a(n) ___________ specific heat can absorb a great deal of thermal energy without a great change in temperature.

• High

• Low