From our friends at DiscoverE, this activity has Mathletes build and test a truss bridge between two chairs. Have Mathletes watch the video first, then get started! Find instructions for the Truss...
A 6-inch tall flower casts a 4-inch shadow at 5:00pm. One month later, when the sun was at the same position in the sky as it was at 5:00pm one month earlier, the shadow cast was 5 1/3 inches long...