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Does Ag

Lesson 5:. Building Bridges. c ommon experience. Does Ag. Why did the chicken cross the road?. i got jokes!. To get to the other side!. w hatcha think?. Why did the farmer cross t he river?. To get fertilizer and seed. To take products to market. To get medicine for a sick horse.

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Does Ag

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  1. Lesson 5: Building Bridges common experience Does Ag

  2. Why did the chicken cross the road? i got jokes! To get to the other side!

  3. whatcha think? Why did the farmer cross the river? • To get fertilizer and seed. • To take products to market. • To get medicine for a sick horse.

  4. whatcha think? HOW did the farmer cross the river? • A long time ago…a BOAT! • Now? Bridges!

  5. Did you ever go to a waterpark? Engineering

  6. Beam Bridge

  7. Truss Bridge

  8. Arch Bridge

  9. Suspension Bridge

  10. Cantilever Bridge

  11. whatcha think? How do you play tug-of-war? Do you pull or push?

  12. whatcha think? What happens if one team is stronger than the other team?

  13. whatcha think? What would happen if you pushed instead of pulled?

  14. whatcha think? What happens to the rubber band as you pull on it– as you apply tension?

  15. whatcha think? If you applied too much tension to the rubber band what will eventually happen?

  16. whatcha think? What would happen if a bridge was held up by strong metal cables, but there was too much weight pulling on the bridge?

  17. Face each other and lock Fingers. Gently lean back.

  18. whatcha think? What happens if these two bridge anchors pulled too hard?

  19. Face each other and place your palms together. Gently lean forward.

  20. whatcha think? What happens if these two bridge anchors pushed too hard?

  21. whatcha think? What would happen if someone was sitting on your shoulders and pushing down? What is pushing back?

  22. Face each other and place your palms together and form an arch. Take a small step backward. Keep going backward until you can’t press your hands anymore.

  23. whatcha think? Are you pushing or pulling? Did you snap or buckle?

  24. Arch Bridge

  25. whatcha think? When you created an arch with your partner, where did you feel the most pressure?

  26. Suspension Bridge

  27. towers towers suspenders anchors

  28. whatcha think? Which parts of the bridge have tension? Who is pulling on the rope?

  29. whatcha think? Which parts of the bridge have compression? Who is pushing on the rope?

  30. whatcha think? Is there more tension when the towers stand closer together or farther apart?

  31. whatcha think? What happens if one of the towers is removed? What happens if one of the anchors is removed?

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