By Schyrlet Cameron
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Extra resources for Forensic Investigations, Grades 6 - 8: Using Science to Solve Crimes
The results of their investigation can provide detectives with the information needed to help solve the crime. Soil Characteristics Characteristic Color: depends on the amount of air, water, organic matter, and certain elements in the soil Description Examples • Brown to black: accumulation of organic matter, humus Scientists use the Munsell color system when describing soil samples. • Purplish-black: accumulation of manganese • Yellow to reddish: accumulation of iron • White to gray: accumulation of salt Texture: determines how well water drains from a soil.
She is mean, grouchy, and rude. She only calls on me when I don’t know the answer. ” Mikayla: “You’ve probably seen my name in the newspaper. My poem won first place at the Language Arts Fair, I was student of the month for December, and I am president of the Entrepreneurs Club. I have never had a missing assignment until I had Mrs. Garcia for a teacher. ” Zackary: “I love science. Mrs. Garcia is my favorite teacher. We are always doing hands-on activities that help us understand the science we read about in our textbook.
We are always doing hands-on activities that help us understand the science we read about in our textbook. Even so, science is hard for me. ” Selena: “My parents will not accept poor grades. If I do not make all A’s, I will be grounded. Mrs. Garcia has been tutoring me after school, and my grades have improved. ” Investigator’s Notes Every crime has a criminal, and if the criminal is not identified immediately, then investigators look for evidence that might point to suspects. It is the job of the detectives to question these suspects.