This blood splatter might be formed by a blood drop hitting the surface at a near distance and at a rather fast speed. It is possibly dripped from a cut wound.
This blood splatter is very hard to explain. The splatter is circular yet with a certain area that does not have blood in a strange way. The smaller splatters also trail the big one strangely. The blood can be dripped from a cut wound and smudged in a certain way. Otherwise there can be something at the wound or on the surface that results in the clear space on the splatter.
This elongated blood splatter is formed by blood hitting the surface and splattering in one particular direction, leaving an irregularly shaped splatter. This can be formed by blood that is spurting out at a fast speed and hit the surface at an angle in a certain direction.
A large amount of blood impact the walls at a close distance, and subsequently drips down the wall. It can be caused by cutting a person with powerful weapons such as chain saw, and the large amount of blood spurts out.
Answer the following questions in your journal:
- What is shape of blood splatter?
- Describe any other characteristic of the splatter.
- What are the factors that affect the shape of the blood splatter? Name as many as possible.
- Generate some hypotheses from the blood splatter patterns observed above.
1. The blood splatter is circular in shape, with ragged edges. It can be elongated in one direction forming an oval, when impact is from a certain angle.
2. The edges are ragged and uneven, There is an area inside of the edges of each splatter showing where the blood pooled.
3, Speed of the impact, distance of the source from the surface, forcefulness of the impact, direction of the impact, angle at which blood hits the surface.
4, The greater the angle at which the blood hits the surface, the more elongated in length the splatter would be in the direction of the movement of the impact.
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