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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Jul 2017 |
| Last Sign in: | 398 Weeks Ago, 5 Days Ago |
| Questions Answered: | 5023 |
| Tutorials Posted: | 5024 |
Create different bloodstain patterns and analyze the patterns using these instructions and the following materials:
Experiment 1:Â
Student will lay out the different surfaces such as glass, tile, cardboard, and wood on the ground. Using a dropper filled with the blood solution, the student will drip blood onto the surface at a distance of 12 inches and at 36 inches at a 90-degree angle. Use the yardstick or tape measure to determine the distances from the floor to the dropper.
Experiment 2:Â
Student will lay a newspaper on the ground. Dip a plastic knife into the blood solution. Walk slowly on the newspaper and let the blood drip off the knife. Change the newspaper, dip the knife in the blood again, and walk at a fast speed on the newspaper while letting the blood drip off the knife.
Assignment:
Photograph the bloodstains with and without scale. Use a ruler, yardstick, or measuring tape to show the size of the bloodstain.
Hel-----------lo -----------Sir-----------/Ma-----------dam----------- Â----------- -----------Tha-----------nk -----------you----------- fo-----------r y-----------our----------- in-----------ter-----------est----------- an-----------d b-----------uyi-----------ng -----------my -----------pos-----------ted----------- so-----------lut-----------ion-----------. P-----------lea-----------se -----------pin-----------g m-----------e o-----------n c-----------hat----------- I -----------am -----------onl-----------ine----------- or----------- in-----------box----------- me----------- a -----------mes-----------sag-----------e I----------- wi-----------ll -----------be -----------qui-----------ckl-----------y