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First graders discuss with the teacher if everything will float in water. They observe a marble and determine whether it will float making predictions as a class. After observing the results, they discover that liquids exert an upward force on an object which prevents an object from sinking unless that object can exert a greater force downward.

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Resource Details

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Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
Usage Permissions
Fine Print