Thermal energy always transfers from ______ substances. When thermal energy is absorbed by a substance, the particles in that substance ______. In the picture at the left, hot dogs are being cooked by boiling them in water over a campfire. The flames transfer thermal energy via ______ through electromagnetic waves! The pot transfers thermal energy to the water via ______ because the pot and the water are in direct contact with each other. The water transfers thermal energy to the hot dogs via ______ because a fluid substance (water) is being used to do the transfer.
electromagnetic
warmer to cooler
conduction
radiation
magnetic
radioactive
convection
speed up
cooler to warmer
slow down