Blood Spatter Angle

As the angle of impact gets smaller, what happens to the tail?

• Gets longer

• Gets shorter

• Stays the same

Tags

NGSS.HS-PS2-3

If this drop had a length of 2.3 and a width of 2.0, what would be the calculated angle?

• 60

• 50

• 30

• 90

The lines in the picture are referred to as lines of ___.

• convergence

• agreement

• tangents

• credit

Click which letter best shows the convergence point (click on the photo)?

Click on which one of these was dropped from the biggest angle?

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A more elongated blood drop indicates:

• the blood landed from the opposite direction

• The blood was traveling from a perpendicular direction

• The blood was traveling at a low velocity

• The blood was traveling from a blunt object

Tags

NGSS.HS-PS2-1

Lines of convergence can pinpoint:

• The exact or approximate place of origin

• The location of the crime

• The type of object used in the crime

• The velocity of blood flow

What direction did this blood come from?

• Top

• Bottom

• Left

• Right

What type of surface did this blood most likely fall on?

• Semi-porous surface

• Smooth surface

• Carpet

• Rough surface

What is the significance of the angle of impact in blood spatter analysis?

• It determines the color of the blood stain.

• It helps in identifying the blood type.

• It indicates the direction from which the blood originated.

• It reveals the age of the blood stain.