div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: 321Liftoff Educator Guide pdf - Jet Propulsion Laboratory · Title: 321Liftoff Educator Guide pdf Author: NASA Subject: NASA guide for Pre-K through 2nd grade for Science Math src=https:reader034fdocumentsinreader034viewer202205180960103173ff5e811655155c77html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv