There's a reason why they're called I-beams. A short Real Engineering video describes why I-beams are in the shape of an I. It considers how the beam achieves maximum bending load with the least amount of material.

Concepts

beams, constructions, building materials, technology resources

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Instructional Ideas

• Provide cloze notes to viewers to fill in as they watch the video

Classroom Considerations

• Scholars should have familiarity with Young's modulus and with tension and compression
  
• Individuals must be able to interpret mathematical equations

• This video is hosted on YouTube

Pros

• Describes science ideas in a way that all learners can grasp
• Diagrams promote understanding of concepts

Cons

• None