Types of Energy
Energy Is the ability to do _____work______ or cause
change.
Work is
the ability to __________move___________ something over a distance.
Comprehension check:
Who is doing work, a man throwing a ball or a weightlifter holding a
weight over his head? Explain.
Man throwing a ball because he is moving an object a
distance. The weightlifter has
already done the work to move the weight.
There are two major categories of energy: ______Potential ______ Energy and
______Kinetic____Energy.
1.
What is potential energy? Provide at least one example of
something that has potential energy.
Potential Energy is stored energy. Holding a pen above the ground (GPE) and stored calories in butter (chemical
potential energy) are examples of PE.
2.
What is kinetic energy? Provide at least one example of
something that has KE.
Energy in a moving object. A cart rolling down a roller coaster track has KE.
___Total Energy in a System OR Total Mechanical
Energy____: The total KE and PE of
an object.
___Chemical PE ______ :
Energy that is stored in the chemical bonds in molecules and compounds.
___Sound (KE)
_________: Energy that is caused by a wave or
vibration passing through matter.
___Thermal (KE) _______: Heat! Energy
which occurs because of the rapid random motion of particles in matter.
___Electrical (KE)
_____: Energy that is
caused by the movement of electrons (often through a wire).
___Gravitational PE___: Energy stored in an object due to its height and weight.
___Kinetic Energy____:
Energy due to the motion of an object.
____Elastic PE________: Energy stored in and object that has been stretched or squeezed.
____Nuclear PE______:
Energy that is stored in the nucleus of an atom.
Electromagnetic KE:
Energy that is caused by radiation of electromagnetic waves. (Light energy, UV Radiation, Radio
Waves, microwaves, x-rays).
