Cookie Jar Mystery Resources: Part II

Welcome to The Cookie Jar Mystery: A Study in Forensic Science! This forensic course is designed to ignite curiosity and stimulate authentic learning by creating real-life contexts ranging from lab analysis to fieldwork to criminal investigation.

No specialized knowledge is required to launch the course, making this entertaining forensic science mystery ideal for classrooms, afterschool programs, intersession programs, museum groups, summer camps, youth groups, and clubs (anywhere young people are gathered)!

In our last article, we shared Part I of The Cookie Jar Mystery resources, providing helpful links for lessons 1-6. Simply click here to scroll through Part I of the resources or you can keep reading to jump right into Part II, lessons 7-12.

You can also read the complete overview by visiting our website and clicking The Cookie Jar Mystery course kit.

Lesson 7

Make an Impression: Bite Marks

To learn more about human and animal teeth, click here!

Or jump over to the Little Learning Corner to learn about 55 unique dental facts. You can either read through the article or watch the video that is provided as well.

Lesson 8

Bloody Brilliant: Blood Types

All blood does the same thing, but not all blood is the same. Blood types classify blood so healthcare providers can determine whether one person’s blood is compatible with another’s. This article by the Cleveland Clinic is a great introduction to blood groups, blood typing, and blood transfusions.

You can also head over to Colossal Cranium’s YouTube Channel to learn even more about the different blood types, and why people have different blood types.

Lesson 9

One of a Kind: Fingerprint Evidence

Head to TKSST (This Kid Should See This) to watch the video, Why are your fingerprints unique?

Check out the following books for additional information: Hidden Evidence: Forty True Crimes and How Forensic Science Helped Solve Them, and Forensics for Dummies.

Lesson 10

Crack the Code: DNA

Watch this Learn Bright YouTube video to learn about DNA and the importance of your own unique DNA code.

You can also research Barry Sheck and his program called “The Innocence Project.” This group attempts to free innocent people using DNA evidence.

Lesson 11

Let’s Talk: Questioning the Suspects

Interested in testing your statement analysis skills? Check out this Statement Analysis site to put your skills to the test.

More so, have you ever wondered how a lie detector works? Click here to learn about the polygraph machine.

There are certainly other ways to tell if someone is being deceptive or hiding information by the way they behave. Learn all the signs here!

Lesson 12

Who Dunnit?: Examing & Analyzing All the Evidence

Young detectives have always enjoyed the Encyclopedia Brown, Nancy Drew, and Hardy Boys series of books, but there are many new titles (games and puzzles) to be found at Addicting Games as well!

Additionally, you can watch an array of fun forensic videos that are conducted by young adults by visiting PBS Learning Media.

Here are some other great movies that involve detectives: Hound of the Baskervilles (1939), The Maltese Falcon (1941), The Big Sleep (1946), Dial M for Murder (1954), Kiss Me Deadly (1955), In the Heat of the Night (1967), Murder on the Orient Express (1974), Young Sherlock Holmes (1985), Ace Ventura: Pet Detective (1994), Harriet the Spy (1996),
A Series of Unfortunate Events (2004), Hoodwinked (2005), Nancy Drew And The Hidden Staircase (2019).

If you found these links helpful, keep a lookout for more discussions and resources to come in the near future!

We’d love to hear your feedback or any questions that you might have. You can email us at any time by sending a message to

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