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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.