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Simple machine contraption

Interactions Between Objects

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Students will construct an explanation using evidence to demonstrate that objects can affect other objects even when they are not touching. They will explore electric, magnetic, and gravitational forces, understanding how these forces operate without direct contact between objects. In this lesson students are using the knowledge they have learned in previous lessons to show what they have learned.

Lesson Grade Level

4th Grade 5th Grade

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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