S.T.E.M. Guideline Poster (Engineering Design Process Question Stems)Most STEM activities don’t fail because the challenge is “too hard.” They fail because students get stuck in the middle. They can build something… but they can’t explain why it worked. They can try again… but they don’t know what to change. They can talk… but it stays at “We just did it like this.” And then you end up doing the thing you didn’t want to do: walking table-to-table repeating the same prompts all period long. “O