U.S. Department of Education @usedgov
Take part in @NASAJPL_Edu’s Mission to Mars Student Challenge!. The challenge includes a 5-week education plan for elementary, middle, & high school students with standards-aligned STEM lessons and activities from @NASA #countdowntomars 🚀🚀🚀https://t.co/3RHriIALwb https://t.co/GWV6ghGt7Y — PolitiTweet.org