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What do we call the transfer of thermal energy from a warm object to a cool object?
heat
What is the transfer of thermal energy by particles bumping into each other?
conduction
What is it called when energy is transferred by movement of a heated fluid?
convection
Thermal energy naturally transfers from _____ matter to ______ matter
hot to cold
What is happening when particles become less dense and decrease in volume?
thermal contraction
Heat of the sun reaches us by which mode of transfer
radiation
Mode of heat transfer that does not require a medium
radiation
Land and sea breeze occurs due to which mode of transfer?-
convection
Mode of heat transfer that occurs in fluids but not in solids
convection
Carries heat in the form of electromagnetic waves in space
radiation
Do larger things or smaller things heat up faster?
smaller
what is being measured when we take the temperature of something?
average kinetic energy of atoms
when an object's temperature decreases, the particles speed up or slow down?
slow down
what are the two factors that determine the thermal energy of a material?
number of particles and temperature
when an object's temperature decreases, the particles rise or sink?
sink
when an object's temperature decreases, the particles expand or contract?
Contract
