Search Results
Showing results 1 to 20 of 48
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-440.jpg?itok=HtYijynC)
Exploring Baking Powder
Source Institutions
In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-483.gif?itok=ebTdzKjr)
Divers
Source Institutions
Learners experiment with a 2-liter plastic bottle containing water and four “divers." The divers consist of open, transparent containers with the opening points downward.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-258.jpg?itok=c8vzK520)
Do the Mystery Samples Contain Life?
Source Institutions
In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-705.jpg?itok=fv6LJJbI)
Soap-Film Painting
Source Institutions
Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-740.gif?itok=JO0zRTlx)
Magic Wand
Source Institutions
In this activity about light and perception, learners create pictures in thin air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-932.jpg?itok=0l389QS-)
Bouncy Egg
Source Institutions
In this activity, learners explore how acids can dissolve eggshells leaving behind a membrane-covered bouncy egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-670.jpg?itok=OiuD96ky)
Far-Out Corners
Source Institutions
Are there boxes, is this an illusion, or is this real life Q-bert? Illusions are always fun to build especially when you can build them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-730.jpg?itok=PotfhV9_)
How Loud is Too Loud
Source Institutions
In this activity (described on pages 39-42 of PDF), learners make a paper wheel (on pages 57-60 of PDF) that shows them the relative loudness of different sounds.
Bend It, Break It
Source Institutions
In this activity (on pages 25-32 of PDF), learners make models of the inner ear out of pipe cleaners.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-498.jpg?itok=XfwT9bP_)
Critical Angle
Source Institutions
In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-469.png?itok=_RWTNHPs)
NEWspaper: Make Your Own Paper
Source Institutions
Learners make their own paper using old newspaper. Learners can make their paper colorful by adding construction paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-233.png?itok=ijtFigxH)
Action Figure
Source Institutions
In this project, students explore how levers work, by making a puppet with moving limbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-315.gif?itok=Tckj8Khu)
My Angle on Cooling: Effects of Distance and Inclination
Source Institutions
In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-061.jpg?itok=-Z4Tk7pG)
Shrinky Dinks
Source Institutions
Heat makes some materials expand, and it makes others shrink.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-212.jpg?itok=Kud6FGrr)
Bee Hummer
Source Institutions
In this activity, learners investigate sound and vibration by making a "bee hummer"--a toy that sounds like a swarm of buzzing bees when you spin it around.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-072.jpg?itok=U5YZF-ko)
Coupled Resonant Pendulums
Source Institutions
In this activity, learners discover that two pendulums suspended from a common support will swing back and forth in intriguing patterns, if the support allows the motion of one pendulum to influence t
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-557.png?itok=orkDaI86)
Supporting Structures
Source Institutions
In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-412.gif?itok=47WkSmCK)
Rippin' Rockets
Source Institutions
In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-543.png?itok=h_wbfpeu)
Weighty Questions
Source Institutions
In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-687.jpg?itok=qTersXP0)
Non-Round Rollers
Source Institutions
Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.