This straw rocket projectile lab aligns nicely with the new NGSS Practice 3 Planning and Carrying Out Investigations standard for middle school and high school students. Students conduct a controlled experiment in which they use the scientific method to launch straw rockets. This also meets NGSS Practice 4 Analyzing Data standard. Students will create a hypothesis, develop a materials list, write a procedure for conducting the experiment, collect and analyze data, and draw conclusions. We use Elasti-Launchers which you can purchase from http://www.arborsci.com/elasti-launcher-set (we actually made our own). Feedback is always welcome.