Steps 2-5 You have Step 1 as a handout.

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Presentation transcript:

Steps 2-5 You have Step 1 as a handout. Mystery of the Bones Steps 2-5 You have Step 1 as a handout.

The Scene In a quiet camping area known as Crystal Lake, four complete human skeletons were found in the mud when the lake began to dry during a drought. Detectives checked the missing person's reports for people in the area and found that five people had disappeared from that area over the last 10 years. Oddly, the skeletons were almost completely intact due to being somewhat preserved in the clay at the bottom of the lake. **All are fictitious**

Photos of remains found at the scene.

Photos (con’t)

Missing Persons Name: Neil Baxter Age: 22 Height: 6'1 Weight: 210 lbs Name: Sara Munchausen Age: 21 Height: 5'0 Weight: 105 lbs Name: Jamie Matthews Age: 18 Height: 6'2 Weight: 190 lbs Name: Robert Downey Age: 45 Height: 5'7 Weight: 190 lbs Name: Eva Longori Age: 55 Height: 5'8 Weight: 140 lbs

Evidence Files Instructions 1. Each team member should pick a bone set and reconstruct the skeleton using glue, scissors and tape. 2. Each bone of the skeleton should be labeled 3. Next you will need to determine the identity of the bones based on age and height a. Determine the gender of your subject by looking at the shapes of specific bones b. Use the following formula to determine the height of your subject Your "paper" skeleton is not a real skeleton. Assume that 1cm on your paper skeleton = 8.6 cm on the real skeleton. Male (real) (2.32 x length of the femur in cm.) +65.53 ± 3.94 Female (real) (2.47 x length of the femur in cm.) + 54.10 ± 3.724. On your reconstructed skeleton, include information about the gender and height of the skeleton and point out your reasoning for your claims (include formulas or arrows to bones, etc)

Step 3 - Determining Age Each of the skulls from the subjects were examined in detail. See if you can determine their age (either over 35 or under 35) by the sagittal sutures. Remember that sutures close fully by the age of 35. Skeleton 1

Skeleton 2

Skeleton 3

Skeleton 4 On your skeleton reconstruction page, note whether the skull indicates the person is over 35, or under 35.

Step 5 - Facial Reconstruction For this part of your investigation, you have sent your skull to the forensic artist who has made a clay sculpture to estimate what your skeleton looked like. Below are the results. Skeleton 4 Skeleton 1 Skeleton 2 Skeleton 3 Indicate on your skeleton reconstruction page whether the forensic artist's sculptures match your idea of the skeleton's identity.