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Natural Sciences Grade 7

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Presentation on theme: "Natural Sciences Grade 7"— Presentation transcript:

1 Natural Sciences Grade 7
Term 3: Energy and Change Potential and kinetic Energy

2 Topic 2 Potential and Kinetic Energy
Natural Sciences - Grade 7

3 Natural Sciences - Grade 7
Kinetic energy Natural Sciences - Grade 7

4 Natural Sciences - Grade 7
Kinetic energy As soon as the object starts to move, the potential [man standing] is transformed into kinetic [man running] energy. Natural Sciences - Grade 7

5 Natural Sciences - Grade 7
Kinetic energy Kinetic energy means that an object has energy because it is moving. A moving object can cause a stationary object to move. The energy that a moving object has, is simply called kinetic energy, because it is moving. Natural Sciences - Grade 7

6 A few examples of kinetic energy:
Releasing a stretched rubber band. A weight falling / rolling from a table. Water that is stored in a dam falls through a chute to drive a turbine. Wind is air particles in motion. It can turn the blades of a wind pump. Natural Sciences - Grade 7

7 A few examples of kinetic energy:
A moving motor car. Electricity flowing through a light bulb (also called electrical energy). The fast moving water particles in boiling water (also called heat energy). Natural Sciences - Grade 7

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