Forensics Summary
Acid or Alkali? Testing with Cabbage.pdf Make pH testing papers from red cabbage; observe the reaction between the papers and solutions of known pH; use the papers to test the pH of various household products.
Bones Tell Your Height.pdf Measure the height, upper arm, and thigh of a group of students; graph your data and translate it into an equation.
Bugs On Our Skin.pdf Prepare Petri dishes with a surface on which microbes can grow; look for microbes in various places on your skin, transfer them to a growing medium, and watch them grow.
Every Contact Leaves a Trace.pdf Test Locard's Exchange Principle.
Henry Number.pdf Make two copies of your fingerprints and try to match the copies from the class set; calculate the Henry Number for your fingerprints.
How Strong Is The Drink?.pdf Study the voltage produced by a sodium hydroxide fuel cell when it contains different concentrations of alcohol.
Look and Record.pdf "Secure" a crime scene and, taking precautions against contamination of evidence, make a sketch of the items found there.
Loops, Whorls, and Arches.pdf Take your fingerprints; classify their patterns as loop, whorl, or arch; compare your patterns with those of your fellow students.
Moldy Bread.pdf Observe and record the effect of temperature and humidity on the decay process in bread.
No Two the Same.pdf Make a print of your right index finger and identify its characteristics; identify your print in a collection of prints made by your fellow students.
Scattered Clues.pdf Study wind direction and make an anemometer.
Space Dust.pdf Isolate and study micrometeorites from a rain gutter; leave a container outside and measure the number of micrometeorites collected.
The Value Of DNA Extract DNA from a selection of different materials.
Which Ink Is Which?.pdf Use paper chromatography to separate the colors used in different black pens; pretend to alter a check fraudulently and perform paper chromatography on the ink to determine which part of the writing was altered.