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"Chemical Reactions and Energy Changes" Chemical Reactions and Energy PPT (Lesson 1 Chemical Reactions and Thermal Energy)
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"Solar Energy" Energy and Sustainable Development PPT Courseware 5
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"Mechanical Energy" Mechanical energy, internal energy and their transformation PPT courseware 4
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"Mechanical Energy" Mechanical energy, internal energy and their transformation PPT courseware 5
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"Internal Energy" Mechanical energy, internal energy and their transformation PPT courseware 3
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"Internal Energy" Mechanical energy, internal energy and their transformation PPT courseware 4
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"Energy in Life" Energy and Life PPT Courseware 2
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"Nuclear Energy" Energy and Sustainable Development PPT Courseware 5
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