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Heat is a form of _____________.
Object that gives off heat is called _______________ of heat.
________________ is to measure how hot or how cold something is.
Unit of measurement for temperature.
_____________ heat is needed if we want to increase the temperature.
Things get colder = ____________ heat
Heat always travels from _______________________________.
a colder place to a hotter place until both places reach the same temperature.
a hotter place to a colder place until both places reach the same temperature.
Solid, liquid and gas ___________ when it gains heat.
Metals are ____________ conductor of heat.
Plastic is a _____________ conductor of heat.