FORENSICS: UNCOVER THE SCIENCE AND TECHNOLOGY OF CRIME SCENE INVESTIGATION (Inquire and Investigate)
Format: PDF / Kindle (mobi) / ePub
Combining hands-on activities with forensic science, kids will have fun learning about the world of forensics, evidence collection, and crime lab analysis. Entertaining illustrations and fascinating sidebars
illuminate the topic and bring it to life, reinforcing new vocabulary.
Projects include documenting a crime scene, identifying fingerprints, analyzing blood spatter, and extracting DNA. Additional materials include a glossary and a list of current reference works, websites, museums, and science centers.
scientists use bones to predict height. Create a chart to record all measurements, keeping your data separate for males and females. Carefully measure and record each volunteer’s height in centimeters. Then measure and record the length of the tibia bone in centimeters by determining the distance from just below the kneecap to the ankle. Ideas for Supplies • several volunteers (at least 10 of each gender) • paper and pencil • metric tape measure • graph paper • second group of volunteers
made the print. To make a full print of the whole tire, tape together several paper stacks. Compare the unidentified print with the labeled prints. Can you identify which bike made the print? To investigate more, have several volunteers of different weights make tire prints using the same bicycle. Are there any differences in the prints? You may also try changing the surface on which the print is made. How does this affect the print? Ideas for Supplies • several sheets of white paper •
chemical properties when mixed with water and vinegar in order to identify a mystery powder. Before you get started, you’ll want to create an evidence chart to record your observations for this experiment. • Place a small amount of the powder onto a sheet of black construction paper. Use a magnifying glass to carefully examine the appearance and texture of the substance, and record your observations. • For each powder, record what you see when you combine 1 tablespoon of powder (5 milliliters)
that might help you identify the hair. Is it curly or straight? Can you see the shape of the cross-section? Making a sketch can help. What differences do you note among the samples? How can these differences be used to identify a suspect or match a hair found at a crime scene? • Select a slide from the second sample set. Without looking to see which volunteer it came from, can you match it to the correct volunteer? To investigate more, examine pet hair. What differences do you observe between
Using a magnifying glass, examine the fingerprint found at the crime scene. What patterns and characteristics do you see? • What do you see when you compare the crime scene fingerprint against each fingerprint from your suspects? Record your notes in a suspect log. Eliminate any prints that do not share the same basic pattern as your crime scene print. Look for minutiae points on the suspect prints that match the crime scene print. Can you make a preliminary conclusion that one suspect’s print