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Grade 5 Science Lesson 7 Effects of Human Activities on the Environment
Grade 5 Science Lesson 10 Weather and Climate
Grade 5 Science Lesson 14 Information and Communication
Grade 5 Science Lesson 13 Light, Shadow and Eclipse
Grade 2 Science Lesson 10 Our Environment
Grade 2 Science Lesson 22 Being Safe from Diseases
Grade 4 Science Lesson 19 Diseases
Grade 4 Science Lesson 7 Balance in Nature
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Grade 5 Science Lesson 15 Our Local Technologies