Search Results
Showing results 1 to 20 of 47
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-381.jpg?itok=Cl7PdKew)
Latent Prints
Source Institutions
In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-645.png?itok=0WSZaTcP)
Chromatography Can Separate!
Source Institutions
In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-490.jpg?itok=c9Em4Unp)
Invisible Ink Demonstration
Source Institutions
In this chemistry demonstration, learners will discover that phenolphthalein is a chemical that displays different colors depending on the acidity or basicity of the environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-183.jpg?itok=qNqna_l_)
Fingerprint Identification
Source Institutions
In this crime science activity (on page 2 of the PDF), learners will explore the uniqueness of fingerprints. The will learn components of fingerprints as well as why fingerprints are left behind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-306.png?itok=m8djA0pV)
Chromatography
Source Institutions
In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-743.jpg?itok=h2057ZkK)
Setting the Scene
Source Institutions
In this activity (on page 2), pairs of learners create an imaginary crime scene. One person leaves the room while the other person moves a few things around.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-684.jpg?itok=ir42lDtv)
Criminal Info
Source Institutions
In this fun math activity (page 5 of the pdf), learners will help a secret agent crack a case by solving math problems.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-006.png?itok=ssIne_aw)
Mystery Powders
Source Institutions
In this activity on page 2 of the PDF (Get Cooking With Chemistry), learners conduct chemical tests on certain powders used in cooking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-480.jpg?itok=8KiB3J9h)
DNA Detective
Source Institutions
This activity is about collecting and analyzing DNA as part of a criminal investigation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-499.png?itok=0AB6l4vo)
The Proof is in the Powder
Source Institutions
In this activity, learners will design a way to identify a powder found at a crime scene by comparing it with known powders, with the goal of solving a crime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-210.jpg?itok=SFoYG7BL)
Black Magic (Color Chromatography)
Source Institutions
With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-806.jpg?itok=yH6NYaV8)
Secret Message
Source Institutions
In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-767.jpg?itok=FfpXEwTl)
Forensic Science: Hair Sample Investigation
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-177.jpg?itok=_6aOxex_)
Bones
Source Institutions
In this health activity (page 5 of the PDF), learners will explore a unique connection betweeen the bones of the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-282.png?itok=lDVIDK6v)
Mirror Messages
Source Institutions
In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-093.png?itok=9BZ-peRQ)
Super Sleuths
Source Institutions
In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-114.png?itok=QrozW1sb)
Lost Labels
Source Institutions
In this experiment, learners will conduct chemical and physical tests to identify mystery substances.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-300.jpg?itok=ilysqQmo)
Invisible Ink
Source Institutions
In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-775.jpg?itok=kmIBUsKv)
Decoding Machine
Source Institutions
In this math lesson, learners explore variables and their uses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-292.png?itok=RXlaKz-t)
Fingerprints
Source Institutions
In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.