Building Bridges
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Objective
I can build a bridge that can hold toy cars.
Part 1 of 4
Warm-up video
SciShow Kids · 3:45Vetted channel
We don't generate video — this one is by SciShow Kids on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Engineers design bridges to help roads or railroads cross things like a river or valley.
- 2
Triangles are strong shapes that engineers use to build bridges because they don't bend easily when force is applied.
- 3
Suspension bridges use thick cables and tall towers to spread out the weight and hold up the bridge.
Part 3 of 4
Practice
3 questions
What is one material that engineers use to build strong bridges?
What shape is used in bridges to make them stronger?
Part 4 of 4
Exit ticket
Quick comprehension check
“Build a bridge using blocks or other materials. The bridge must be strong enough to hold at least one toy car without falling apart. What shapes did you use to make your bridge strong?”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
Printable worksheet
Slides
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