1. The strength and stability of a structure depend on what they are made of.
2. A truss is a framework of triangles.
3. Tree trunks are strong because they are cylindrical and have rings that provide support.
4. Give two examples of domes: igloos, geodesic domes.
5. Give two examples of structures: bridges, skyscrapers.
6. Why are elephant legs so thick? They have to support a lot of weight.
7. Name three things opposite hands are good for: holding objects, writing, throwing.
8. Circle True or False: Bones are structures. True.
9. Why can the eggs hold the weight of the cars? The weight is distributed evenly.
10. Circle one: Ropes are structures that work really well under tension/compression. Tension.
11. Circle one: Ropes are not good under tension/compression. Compression.
12. Circle one: Compression is pushing / pulling. Pushing.
13. Circle one: Tension is pushing / pulling. Pulling.
14. Circle One: True or False? If you make a building flexible, it will have a better chance of standing up in an earthquake. True.
15. Circle one: The rope that Bill jumps from, the rope is under stress / tension / compression? Tension.
Parent Tip: Review the logic above to help your child master the concept of bill nye water cycle worksheet.