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3rd grade engineering worksheet with activities on structural foundations, stability, and a hands-on pencil-balancing task.
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Foundations in Structures

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This printable science worksheet for 3rd graders covers the fundamentals of structural engineering through four activities: comparing wide and narrow bases, designing a stable structure with labeled parts, explaining why features like wide bases and strong materials matter, and a hands-on pencil-balancing task with tape and desk materials. Ideal for engineering and design units, STEM activities, or science practice.

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

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