Have you thrown a stone from the bridge?........................................... What force makes it fall?....................................................................... Why don't you fell through the floor?....................................................... .................................................................................................................... Gravity pulls on all things on Earth's surface. A well-designed structure can support heavy loads..
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What kind of buildings are strongest?
You need some paper, some tape, scissors , a ruler and some books.
1. Fold papers like shown in the picture.Use tape to fix them. 2. Put different books on top of these shapes.How many books can they support? ...................................................................................................................... ..................................................................................................................... 3.Which shape can support most books? ...................................................................................................................... ..................................................................................................................... 4. Why pyramids were built in Ancient Egypt? ...................................................................................................................... ..................................................................................................................... 5. What kind of basement is most strongest? ..................................................................................................................... 6. Draw the most strongets building.
