Search Results
Showing results 1 to 20 of 43
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-801.gif?itok=Nn1wbkVT)
Fan Cart
Source Institutions
If a sailboat is stranded because there is no wind, is it possible to set up a fan on deck and blow wind into the sail to make the boat move?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-597.png?itok=26ZaSQm5)
Water Body Salinities I
Source Institutions
In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-508.jpg?itok=q_90tPR_)
Liquid Body Armor
Source Institutions
In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-653.png?itok=69YhohO-)
Kinetic Sculpture: Program the Pico Cricket to Make Your Art Light Up or Spin
Source Institutions
Use a Pico Cricket (micro-controller) to animate your art! You can program a Pico Cricket to make your art spin, light up, or make music.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-970.png?itok=ixSt4N9L)
Which Powder is It?
Source Institutions
In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-668.jpg?itok=R-joBVdY)
The Electric Squeeze
Source Institutions
In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-744.gif?itok=PyQidntq)
Hot Spot
Source Institutions
In this activity, learners explore the invisible infrared radiation from an electric heater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-741.gif?itok=XC-LmN77)
Look Into Infinity
Source Institutions
Learners use two mirrors to explore how images of images of images can repeat forever.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-829.jpg?itok=d6a0Bqrc)
Falling Feather
Source Institutions
In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-655.png?itok=f9FudK0l)
Smart Domino Tricks
Source Institutions
In this activity, you take regular dominoes, and turn them into conductive switches that can turn on a LEGO RCX block or Pico Cricket (micro controller). LEGO RCX block or Pico Cricket is required.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-251.jpg?itok=anYJw8Md)
Checking For Starch
Source Institutions
In this chemistry activity (page 3 of the PDF), learners will observe a chemical change, specifically what happens to iodine when it is applied to ripe and unripe apples.
![](/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-000-000-000-651.png?itok=ZrukUpPQ)
Musical Sculpting Machine: Squeeze Play-Doh to Make Music
Source Institutions
Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-782.jpg?itok=xLGh1fUi)
What's In Your Breath?
Source Institutions
In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-764.jpg?itok=fiuUCvgc)
Capturing Homemade Microgravity
Source Institutions
This activity (page 2 of the PDF under SciGirls Activity: Microgravity) is a full inquiry investigation into how ordinary things behave in microgravity, similar to what astronauts experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-392.jpg?itok=lTQfQ0iI)
Infant Moon: Moon Mix!
Source Institutions
In this activity, learners investigate the Moon's infancy and model how an ocean of molten rock (magma) helped shape the Moon that we see today.
![](/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-000-000-000-167.png?itok=uEuoi3Pq)
Clap Sensor: Build a Sound Sensor Using a Pico Cricket
Source Institutions
This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-616.png?itok=F72uVQjA)
Social Fireflies: Pico "Firefly" Communication
Source Institutions
Make two firefly lanterns, then program them to blink to one another and change colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-271.jpg?itok=xtOTBhOm)
Glass and Mirrors: An Inside Look at Telescopes
Source Institutions
This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.