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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.

In this activity about human anatomy (page 16 of PDF), learners construct a model arm and discover how muscles and bones work together to achieve efficient movement.

In this activity, learners are invited to imagine the park of their dreams!

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.