Lesotho Grade 9 Science Course
Units (select a unit)
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Unit 1 The Periodic Table
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Unit 2 Chemical Bonding
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Unit 3 Mole Concept
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Unit 4 Chemical Reactions and Redox
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Unit 5 Stoichiometry
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Unit 6 Electric Current and Circuits
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Unit 7 Waves and Sound Waves
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Unit 8 Electromagnetic Waves
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