FREE NASA CURRICULUMThe Design ChallengeYou will present students with a challenge: build a structure from aluminum foil and copper screening that will protect a model of the X-33 from the heat of a propane torch for as long as possible. Students first measure the “protec- tion time” of an unprotected model. Then they design, build, test, and revise their own thermal protection systems. They document their designs with sketches and written descriptions. As a culmination, students compile their r