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Critical Thinking

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Grades: 5th Grade
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Part 1: Rotation and Revolution (of Earth) Phenomenon: Why do we experience periods of day and night? This is a 1 to 3-day lesson with five activities primarily focusing on rotation of the Earth which

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Grades: 6th Grade, 7th Grade, 8th Grade
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In this lesson, students will explore the concepts of gear ratios and proportions. They will construct a working gear system and observe how the ratio between gears affects their motion. They will use