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Keywords:

Cardiovascular system, Circulatory system, Neutral buoyancy, Simulated weightlessness, Water immersion, Vascualr system, Blood, Circulation, Giraffes, Microgravity, Astronauts, Space travel

Mediator:

Middle school teachers

Language:

English

General

Essential Resources: 

Slide or overhead of astronaut in microgravity ; Slide or overhead of astronaut in the KC-135 ; Slide or overhead of astronaut in the WETF ; Slide or overhead of an astronaut on earth and an astronauts in a space vehicle in microgravity ; Slide or overhead of a bat hanging up side down ; Slide or overhead of a giraffe lying down and standing up ; Scissors ; 1 ruler with metric graduations ; 2 standard-size metal paper clips ; 1 clear plastic drinking straw ; 4 oz. water with yellow food coloring (at room temperature) ; 1 calculator ; 2 clear 35-mm film containers ; 1 graduated cylinder marked in 1/10 ml graduations (alternatively; use a medicine dropper) ; 1 plastic milk bottle; 1 gallon; filled with clear room temperature water ; plastic tub (clear is best) large enough to suspend a drinking straw-at least 30 cm (12 inches) long by 15 cm (6 inches) wide by 15 cm (6 inches) deep or larger depending on the length of the straw. ; Neutral Buoyancy Data Record: http://quest.arc.nasa.gov/neuron/teachers/stellar/nbdata.html; Neutral Buoyancy Experiment Data Sheet: http://quest.arc.nasa.gov/neuron/teachers/stellar/nbexp.html