Unit Synopsis: In this unit, students investigate why athletes ice injuries.  This leads students to wonder why actual bags of ice are used instead of the instant ice packs found in first aid kits.  Students then investigate the chemical reaction occurring within an instant ice pack and work to develop a better design.

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Anchoring Phenomenon: First aid care for musculoskeletal injuries using bags of ice instead of instant ice packs containing an endothermic chemical reaction.

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NGSS PEs Addressed: MS-PS1-1; MS-PS1-2; MS-PS1-5;    MS-PS1-6; MS-PS3-3; MS-LS1-8; MS-ETS1-1