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Printable 3rd grade engineering worksheet for a structure-design challenge with towers, bridges, and tipis.
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Structure Design and Testing Challenge

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This printable engineering worksheet guides 3rd graders through a hands-on structure-design challenge where students choose to build a tower, bridge, or tipi using at least three different materials. The worksheet covers design criteria, predictions about balloon-impact testing, reflection on design improvements, and strategies for strengthening stability. Best used as a capstone activity for a unit on structures and materials.

Subject:
Science
Topic:
Engineering
Grade Level:
3rd Grade
Updated February 2026

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