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Catch & Release II: It's Catching On!
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Throw that fish back? A new generation of ethical anglers concerned about conserving resources is participating in "catch and release" fishing. How is this going?
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Rotational Equilibrium
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.
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Active Graphs
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In this activity, learners track their movements with jumping and leaping graphs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-467.png?itok=NqKEQbzj)
Otter Smorgasbord
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In this graphing activity (on pages 33-40), learners investigate how much and what kinds of food sea otter pups eat during their first year of life.