Unit 4: Vocabulary Quiz

What is a closed system?

• A system that exchanges matter and energy with its surrounding environment

• A system that exchanges matter but not energy with its surrounding environment

• A system that exchanges energy but not matter with its surrounding environment

• A system that does not exchange matter but does exchange energy with its surrounding environment

What is conduction?

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

• The transfer of energy from one medium to another through direct contact

• The transfer of thermal energy through currents in fluids

• The emission or transmission of energy as particles or waves

What is convection?

• The emission or transmission of energy as particles or waves

• The transfer of energy from one medium to another through direct contact

• The transfer of thermal energy through currents in fluids

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

What is energy?

• The transfer of energy from one medium to another through direct contact

• The transfer of thermal energy through currents in fluids

• The ability of a system to do work or produce heat

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

What is energy transformation?

• The transfer of energy from one medium to another through direct contact

• The change of energy from one type to another (kinetic to potential or potential to kinetic)

• The emission or transmission of energy as particles or waves

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

What is heat?

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

• Energy transferred between two objects of different temperatures, moving continually in a predictable pattern from warmer site to cooler site until all sites have reached the same temperature

• The transfer of energy from one medium to another through direct contact

• The transfer of thermal energy through currents in fluids

What is heat transfer?

• The exchange of thermal energy from one physical system to another

• The transfer of energy from one medium to another through direct contact

• The transfer of thermal energy through currents in fluids

• The emission or transmission of energy as particles or waves

What is the law of conservation of energy?

• The emission or transmission of energy as particles or waves

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

• A law stating that energy cannot be created or destroyed-it can only change forms

• The transfer of thermal energy through currents in fluids

What is radiation?

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

• The emission or transmission of energy as particles or waves

• The transfer of thermal energy through currents in fluids

• The transfer of energy from one medium to another through direct contact

What is temperature?

• The hotness or coldness of matter as related to the average kinetic energy of the molecules of that substance

• The emission or transmission of energy as particles or waves

• The transfer of thermal energy through currents in fluids

• The transfer of energy from one medium to another through direct contact