Fifth graders read an informative paragraph about how blood travels through our bodies. Then, they fill in the missing letters for words that label things in the circulatory system. An answer key is provided on page two. An interesting,...

Students calculate effects of gravitational force on planets, discuss the effects of weightlessness on the human body and describe and demonstrate how objects in a state of free fall are accelerated by gravity at an equal rate.

Students explain the cause of and effects of fluid shift in a microgravity environment. Students identify the effects of microgravity during long duration space flight. Students describe research on cardiovascular effects in microgravity...

Students investigate the dangers of radiation by exploring recent nuclear tragedies.  In this scientific debate lesson, students define the idea of radiation "half life" and determine if low doses of radiation are truly damaging to...