Blood Spatter Home work Worksheet
Blood Spatter Animation and Videos Name:
Date:
Study the Blood spatter animation from the following link and answer the questions.
1. What happens to blood from an open wound or when it is present in sufficient amount on a surface? What are the two things that will play the biggest role in pulling that blood drop away from the surface? Explain.
2. Explain the ‘passive drop’. What happens to the blood droplet as it pulls away from the object?
3. Briefly discuss the four phases that can be seen in the reaction of a moving droplet with impact against a surface. (Your answer must include sketches.)
4. Define angle of impact. What happens to the shape of the blood stain as the angle of impact gets lower and lower? Discuss.
Study the following slow motion video of blood spatter and describe what you see.
(Click on Bloodletting Mechanism Video)
Hint – the smaller the video size, the quicker it loads.
1. Choose one of the 1A videos (dripping from wrench)
a. Describe the shape and movement of the blood drop.
2. Watch both 3Ca1a and 3Cb2a videos. Think about question #3 on the front of this page as you watch, then COMPARE and CONTRAST the two impacts.
3. Watch both 4Ad1 videos. Describe what happens to the blood as it impacts the cardboard. (Keep #3 from front page in mind)
4. Watch 15Aa2 (coughed blood) and describe the movement of the blood droplets from the mouth.
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