Search Results
Showing results 21 to 40 of 443
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-726.jpg?itok=lQ7-5AVu)
Touch the Spring (Lightbulb)
Source Institutions
In this activity, a lightbulb is placed in front of a concave mirror. The actual lightbulb is not visible to the viewer, but the viewer can see the mirror image of the lightbulb formed in space.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
Source Institutions
In this activity, learners investigate color vision as well as plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-404.jpg?itok=fNOO45vr)
Planaria Regeneration
Source Institutions
In this experiment with planaria (a type of flatworm), learners will investigate the capability of different body sections to regenerate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-405.jpg?itok=cTp-kv26)
Adherence to HIV Treatment
Source Institutions
In this activity, learners simulate taking HIV antiretroviral drugs by using Tic Tac mints and Kool-Aid packets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-828.png?itok=OA8tQTc6)
Bean Bugs
Source Institutions
In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-569.png?itok=8H_kRzir)
Jumping to Conclusions
Source Institutions
In this online brain stumper, the bottom half of a series of letters is covered. You may think you know what it says, but remove the black bar to see if you're right.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-519.png?itok=Jm5Ed5iy)
Water Clean-up
Source Institutions
This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-961.gif?itok=kZd14dth)
The Blindfolded Walk
Source Institutions
In this activity, learners work in teams to study the observation skills essential to scientific research.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-975.gif?itok=bHaXA3-a)
Thinking in Three Dimensions
Source Institutions
In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-222.png?itok=xOa5mc9h)
Flocking for Food
Source Institutions
In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-858.jpg?itok=HptyZ1zk)
I Like to Move-It
Source Institutions
This is an activity which will allow learners to gain an understanding of lemur behavior through observation and role play.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-322.png?itok=koOK-mvw)
Plugged in to CO2
Source Institutions
In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-540.jpg?itok=H-4xqNxb)
Mirrors and Images
Source Institutions
In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-901.jpg?itok=YuRaIPDM)
Underwater ROV
Source Institutions
In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-539.png?itok=hWboGMAb)
Why Circulate?
Source Institutions
In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-091.jpg?itok=dnG9Wyp8)
Good News: We're on the Rise!
Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-576.jpg?itok=luTIccbZ)
Drugs, Risks and the Nervous System
Source Institutions
In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-427.jpg?itok=yoqbLWIr)
Mold Growth
Source Institutions
In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-562.gif?itok=2V_tJ7AH)
Using Food Labels
Source Institutions
In this nutrition activity, learners explore food labels and consider the nutritional value of foods. Learners also explore units of measurement commonly used on food labels.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-593.jpg?itok=tc0LyYbX)
Chew that Gum
Source Institutions
In this quick activity (page 1 of PDF under SciGirls Activity: Exercise and Memory), learners will investigate what happens to bubble gum when it is chewed for 5-10 minutes.