Grade 5 Science Lesson 7 Effects of Human Activities on the Environment

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Some more free lessons »
Grade 1 Science Lesson 9 Taking Care of Animals
Grade 2 Science Lesson 5 Animal Locomotion
Grade 3 Science Lesson 12 Our Earth
Grade 2 Science Lesson 14 Heat and Light : Sources and Uses
Grade 5 Science Lesson 15 Our Local Technologies
Grade 5 Science Lesson 8 Matter, Mixture and Solution