Heat Test 2023

Thermal energy always flows from

• a warmer substance to a cooler substance.
• a cooler substance to a warmer substance.
• one substance to another substance having the same temperature.
• a liquid to a solid.

Ice melts in a glass of soda as a result of thermal energy flowing from the

• ice to soda.
• soda to the ice.
• solid to the liquid.
• inside of the ice to the outside of the ice.

A material that reduces the flow of heat by conduction, convection, and radiation is ____.

• a conductor
• condensation
• an insulator
• a solar collector

All of the following are good conductors of heat EXCEPT ____.

• air
• aluminum
• copper
• silver

The transfer of energy that does NOT require matter is ____.

• combustion
• radiation
• conduction
• convection

Which of the following would be the best insulator?

• wood
• aluminum
• copper
• silver

The inside surface of the glass inside a vacuum bottle is coated with aluminum to prevent heat loss by ____.

• combustion
• radiation
• conduction
• convection

Heat is transferred from one particle of matter to another (direct contact) in a process called

• conduction
• convection
• radiation
• insulation

Which of these is a good conductor?

• wood
• paper
• silver
• air

As a sample of matter is heated, its particles ____.

• are unaffected
• move more quickly and spread apart
• move more slowly and come together
• stop moving