Lesson Archive

Notes for the Instructor

The Cookie Jar Mystery is a project-based learning experience that asks your students to complete a series of activities in order to …

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Notes for the Instructor

Today students will be introduced to the concept of class evidence. Class evidence is anything in an investigation that points to a …

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Notes for the Instructor

A toxicologist is a scientist who studies the effects of chemicals in living things. Toxicologists will be called into an investigation if …

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Notes for the Instructor

A crime scene can tell the story of what happened when a crime was committed. The clues left at a scene can …

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Preparation and Tutorial Video

Preparation This activity will introduce the four suspects to the mystery. If you have not already, it is important to give each …

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Preparation and Tutorial Video

Preparation Assemble student supplies. Prepare a piece of chromatography paper from the crime scene using Pen #4. Draw a line in pencil …

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Preparation and Tutorial Video

Preparation Fill 10 dropper bottles with water. Label these bottles with “W.” Fill 10 dropper bottles with vinegar. Label these bottles with …

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Preparation and Tutorial Video

Preparation Begin to unravel fabric in order to pull out individual fibers easily. Be careful to keep fiber samples separate. Tear off …

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Preparation Overview

Use the chart below as a reference for preparing for the following activities or download the PDF. Lesson Print/Copy Organize Kit Supplies …

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Student Introduction

      The Cookie Jar Mystery   Mrs. Randall is a science teacher. She enjoys baking chocolate chip cookies and sharing …

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