Search Results
Showing results 341 to 360 of 419
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-830.png?itok=jqd0vYid)
Great Steamboat Race
Source Institutions
In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-376.png?itok=hsHrCq1i)
Build Your Own Marble Machine
Source Institutions
In this activity, learners will build a ball run contraption.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-529.jpg?itok=yeeFMBlZ)
Shimmering Lenses
Source Institutions
In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-503.jpg?itok=iuSzZE0Y)
Production of Carbon Dioxide
Source Institutions
In this chemistry activity, learners use common chemicals to produce carbon dioxide and observe its properties. This resource includes brief questions for learners to answer after the experiment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-010.gif?itok=QeOVLkZQ)
Magic Inks
Source Institutions
Learners write their initials by applying different clear "magic ink" solutions to separate pieces of paper and then "develop" the inks with other clear solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-789.gif?itok=Zb9iKgIG)
Wilberforce Pendulum
Source Institutions
In this activity, learners build a Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional ("twist"), on a
Balloon Surprise
Source Institutions
In this activity, learners discover a trick to release the air out of a balloon without popping it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-673.jpg?itok=fa5r-FQg)
Photolithography
Source Institutions
In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-312.jpg?itok=N5uaHARg)
Automotive Emissions and the Greenhouse Effect
Source Institutions
In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-667.jpg?itok=2gn-_vUy)
Build a Giant Puzzle!
Source Institutions
In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-672.jpg?itok=lHstYPZ-)
Balloon Nanotubes Tabletop
Source Institutions
This activity introduces learners to the structure and properties of carbon nanotubes.
Build A Hydrometer
Source Institutions
In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-507.jpg?itok=2W_Fw-ML)
Exploring Structures: Butterfly
Source Institutions
In this activity, learners investigate how some butterfly wings get their color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-513.jpg?itok=OYOp0tgC)
Exploring Materials: Graphene
Source Institutions
In this activity, learners investigate the properties of graphene and graphite.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-037.gif?itok=32aSv1Yn)
Microarrays and Stem Cells
Source Institutions
In this activity, learners use microarray technology to determine which genes are turned on and off at various points in the differentiation of pluripotent stem cells on their way to becoming pancreat
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-516.jpg?itok=ZONU1k8p)
Exploring Ultraviolet (UV) light from the Sun
Source Institutions
In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-035.png?itok=Z70aajM3)
Exploring A Hydrogel
Source Institutions
In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-377.jpg?itok=gIi6C9Is)
Cardboard Automata
Source Institutions
Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-960.jpg?itok=2tePvIOj)
Build a Bridge
Source Institutions
In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-702.jpg?itok=rOcfJwnz)
Torsion Drum
Source Institutions
In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.