Search Results
Showing results 1 to 9 of 9
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-523.jpg?itok=MjvhqGru)
Exploring Materials: Nano Gold
Source Institutions
In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-656.jpg?itok=YmnK7-EG)
Morphing Butterfly
Source Institutions
In this activity, learners explore how nanosized structures can create brilliant color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-587.png?itok=MIgw6sRf)
Why are Compact Fluorescent Bulbs More Efficient?
Source Institutions
In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-271.jpg?itok=cJfDsdez)
Stereoscope
Source Institutions
In this activity, learners construct a device that allows them to view 2-D images in 3-D.
![](/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-000-000-002-119.jpg?itok=85Dtq5r3)
Bike Wheel Zoetrope
Source Institutions
In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-768.jpg?itok=ln-4ylx0)
Writing for Night Vision
Source Institutions
In this activity (page 1 of the PDF under SciGirls Activity: Forensics), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of visibl
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-754.jpg?itok=T0XsD48R)
Laser Projection Microscope
Source Institutions
In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-845.jpg?itok=5a4vEnYF)
Build an Overhead Projector Spectroscope
Source Institutions
This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.