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  Physical Science. An explanation of Ohm's Law. From the Physical Science course by Derek Owens. ...
 The Earth Moon Sun System. The orbit of the moon around the earth, the orbit of the earth around ...
 A general difference between rocks and minerals is that minerals are chemical substances, while ...
 Physical Science. An introduction to series and parallel circuits. From the distance learning ...
 Electric generators work by moving an alternating current to an output. Find out what connects ...
 Physical Science. Direct Current and Alternating Current. From the Physical Science course by Derek ...
 From the Physical Science course by Derek Owens. An introduction to the magnetic fields caused by ...
 Two famous experiments by Ernest Rutherford: the transmutation of Nitrogen in to Oxygen, and the ...
 Teaching demo for middle school physical science class. Topic: Properties of Gases.
 Physical Science. An introduction to Electric Charge. From the Physical Science course by Derek ...
 Physical Science. An introduction to static electricity. From the Physical Science course by Derek ...
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