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SCIENCE - 4TH QUARTER
Energy and Machines
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Avi de Jesus
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Cards (14)
is the ability to do work
energy
you cannot see the energy stored in your___ but you can see its affect
muscles
you use energy to breath, move around and do
other
things
energy exists in many forms, the forms of energy may be classified into two main categories. Kinetic and___
potential
anything that is in motion possesses___ energy
kinetic
potential energy has ___ energy
stored
is the energy that an object possesses due to its motion (KE) or its position (PE)
mechanical
the energy associated with the movement of electrical charges
electrical
the energy that the sun provides
light
devices that generate electricity is referred to as electrochemical cells
chemical
the energy brought about by a vibrating medium
sound
determined by how active its atoms and molecules are
thermal
the change of energy from one form to another is known as
energy transformation
governs energy transformation. states that the total amount of energy does not change
law
of
conservation
of
energy