Name:_____________________

Neutral Buoyancy Data Record

Before starting the experiment, predict the relationship between the amounts of water and air needed in the straw to make it neutrally buoyant.

% of water needed: _____________________

% of air needed: _______________________

Depth of water in tub: ___________________________________________

What happened to the air-filled straw when it was placed in the tub?

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Predict what change(s) would occur if a pump (like the human heart) was added to your vascular-system model?

On Earth_______________________________________________________________________

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In the microgravity of space_______________________________________________________

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