Children love to build, and are fascinated by things that are big and small. This book capitalizes on these natural fascinations to involve students in scientific explorations.This means garden poles are 36 times as strong as skewers. ... Since garden pole towers are much taller than skewer towers, any slight lean moves the garden pole towera#39;s center- of-mass farther than the same ... If you would like to try, have your students break off the pointed ends of toothpicks and use them to build.
|Title||:||The Exploratorium Guide to Scale and Structure|
|Publisher||:||Heinemann Educational Publishers - 1995|