NO PREP!!! GREAT FOR MAKER-FAIRE! This STEM challenge is a cross-curricular unit. Challenge: build a roller coaster made out of straws where the ball successfully makes it to the end. You can increase the challenge difficulty by limiting the amount of straws used, making sure students use the whole area of the poster board, adding a competition with the speed of the ball, etc. Student example VideoReading: students will read online articles, passages, and activities. Writing: students will b