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7th Grade

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Grades: 7th Grade
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Students will use evidence from an investigation to model and explain how thermal expansion of land and sea ice impact the sea level. They will quantify the impact of land ice melt and thermal

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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