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Unit 4: Energy and Heat

Teacher: Denise Kearney
Across
___________ energy is the total energy of all particles in a substance.
Transfer of energy by electromagnetic waves. The only type that can travel through empty space.
Heat transfer when substances are in direct contact.
_________ energy is the sum of an object's kinetic and potential energies.
Heat will continue to transfer until substances are the ______ temperature.
High to ______ is how heat flows.
Stored energy
An energy _____________ takes place when energy changes from one form into another form.
The law of conservation of energy states that energy ________ be created or destroyed, only change forms.
When a cooler, denser mass of a gas or liquid replaces a warmer, less dense mass of a gas or liquid by pushing it upward.
__________ are materials that transfer heat very well.
Down
The energy transferred from one object to another.
Energy of objects in motion
The measure of the average kinetic energy of all the particles in an object.
___________ are materials that do not transfer heat well.
The ratio of useful output energy to input energy.