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TEACHER GUIDE – BUILDING BRIDGES (EiE CURRICULUM). Lesson 1: Javier Builds a Bridge. Lesson 2: Pushes and Pulls. Guiding Question: W hat are some of the forces that act on structures and how do civil engineers design structures that can withstand these forces?. Background:.
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Lesson 2: Pushes and Pulls Guiding Question: What are some of the forces that act on structures and how do civil engineers design structures that can withstand these forces?
The card pushes on the finger Finger pushes on the card
Alternative answer (acceptable at this level) Finger pushes on the card The card pushes on the finger
Weight (caused by the pull of gravity) Support Force (balances out the weight force)
Lesson 3: Bridging Understanding Guiding Question: How does the structure of a bridge affect its strength and how can we use different materials in our bridge designs?