Laws of Conservation of Energy and Matter

Shows by live-action demonstrations and animation that matter and energy cannot be created or destroyed. Pictures the burning of magnesium under a closed container on a scale to show that the weight remains constant. States the law of the conservation of matter, and uses the examples of rock breaking glass and coal burning to illustrate that energy cannot be created or destroyed. Recounts the work of Madam Curie and Einstein, and states Einstein's equation which shows that energy and matter can be converted into each other.

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