Blood Spatter link and questions

 

Blood spatter complex text link and questions

Blood spatter animation

http://gallery.nfstc.org/swf/BloodSpatters.html

Blood spatter link
 
When discussing background information about blood spatter, please include the following:
What is a fluid?
What is viscosity? How does blood's viscosity compare to water's?
What is surface tension and how does it affect surface area of the drop? Why is it important to blood spatter analysis?

How do types of surfaces affect the impact of a blood drop?

How does height affect the diameter of the drop? Is there a maximum height at which the blood spatter diameter is not  affected?