Fifth graders use an analogy to the mail delivery system to study the workings of the human endocrine system. They discover the interrelationships between the human body systems while comparing them to engineering communicating with...

Students learn how the endocrine system works and compare it to the mail delivery system. Students discuss the importance of communication in human body systems and relate that to engineering and astronauts.

Students will use their creative skills to determine a way to mail raw spaghetti. The students will need to choose a way to safely package their raw spaghetti using only the materials provided. To test the packing designs, the spaghetti...