What is a structure? Can you give an example?, What shape is the strongest for buildings? Why?, Why is a triangle a strong shape?, How do buildings support heavy things?, What materials can hold weight well? Why?, What is compression? Can you give an example?, What happens when a structure flattens?, Why do some structures wiggle? Is it good or bad?, How can engineers stabilize a structure?, Why is stability important in buildings?, How do triangles stiffen a structure?.

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