Heat, or ____ energy can be transferred from a ____ place to a ____ place. This means that the hot object will get ____ and a cold object will ____ up until everything is at the same ____. The heat can travel by ____ through a solid, ____ through a fluid, or ____ through empty space. If you ____ the end of a solid rod of metal the particles at the end will gain ____ energy and start to ____ faster. They will ____ with the particles next to them and make them vibrate ____. The kinetic energy will ____ from particle to ____ all the way along the metal rod until the rod is ____ all the way to the other end. Transferring heat energy through a ____ like this is called ____. Conduction cannot happen in a liquid or ____ because the particles are too far apart to vibrate against each other. If you ____ a pan of water, the particles at the bottom gain ____ energy. The particles get ____ apart which means the liquid is ____ dense. The ____ particles then rise up to the top and the ____ particles come down to the bottom and take their place. Transferring heat through a liquid like this is called ____. Convection can also happen in a ____, but cannot happen in a ____ because the particles cannot ____ around in a solid. Any hot object gives out ____ radiation that travels as ____. Radiation does not need any ____ to travel. Radiation from the ____ can reach the ____ by travelling through empty ____. ____ is another type of radiation that can travel through space.

Heat Transfer

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