This is an activity about structures in space. Learners will construct two different types of trusses to develop an understanding of engineering design for truss structures and the role of shapes in the strength of structures. For optimum completion... (View More) - this activity should span 3 class periods to allow the glue on the structures to dry. This is engineering activity 1 of 2 found in the ISS L.A.B.S. Educator Resource Guide. (View Less)

This is an activity about observation. Learners will first observe a first quarter Moon and as a group, predict which phase the Moon will be in during the next observation. After this, learners will continue to chart the progress of the lunar cycle... (View More) of phases throughout the following weeks to better understand the sequence. This is Activity A-2 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)

Learners will first observe a first quarter Moon and as a group, predict which phase the Moon will be in during the next observation. They then continue to chart the progress of the lunar cycle of phases throughout the following weeks to better... (View More) understand the sequence. This is Actividad 1.2 as part of El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)