Search Results
Showing results 1 to 8 of 8
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-307.gif?itok=GHPqVa4z)
Paper Whites
Source Institutions
Learners observe different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-066.jpg?itok=4LT7gTTb)
See the Light
Source Institutions
Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-011.jpg?itok=qhSefzsQ)
Thar She Glows!
Source Institutions
Learners observe glow-in-the-dark objects in a homemade light-proof box. Objects can include glow sticks, glow-in-the-dark toys, and toys with fluorescent paint.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-889.gif?itok=a2dseEnc)
First Impressions
Source Institutions
Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-429.gif?itok=Uik6_r1i)
Pearlescent Pigments
Source Institutions
This is written as a display, but can easily be adapted to a hands-on activity. Learners observe and shake containers of shiny liquids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-114.gif?itok=sL8TInbx)
Changing Colors
Source Institutions
Learners experiment with a commercially available liquid-crystal coaster. They warm the material with their hands for varying lengths of time and observe the changing colors that result.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-695.jpg?itok=qsYuCBmm)
Bring it into Focus
Source Institutions
In this activity (page 2 of PDF), learners play with a lens and a piece of paper to focus an image on the paper. Learners look at different things, and see how the lenses affect the image.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-327.png?itok=qqtG1qu8)
Glow Fast, Glow Slow: Alter the Rate of a Reaction!
Source Institutions
Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.