Wild Engineering

Wild Engineering — page 3
Moving Nature Engineers moved a big oak tree The tree is 65 feet 20 meters tall It weighs 700,000 pounds 317,515 kilograms It’s 250 years old It was in front of the University of Michigan’s School of Business The school building was being expanded Expand means to make bigger The tree needed to be moved or cut down Students fought for the tree People gave money to help They paid 400,000 to move the tree Metal pipes were placed underneath it Big air bags were put under the tree The tree was lifted from the ground 6 chapter one