You chose an important real‑world challenge: turning salty, dirty water into usable water with only sunlight and simple materials, which is excellent engineering thinking for a desert environment
Well done! Your research was strong, and I liked how you showed that plastic wrap traps heat the best.
You chose an important real‑world challenge: turning salty, dirty water into usable water with only sunlight and simple materials, which is excellent engineering thinking for a desert environment
Well done! Your research was strong, and I liked how you showed that plastic wrap traps heat the best.