Search Results
Showing results 761 to 780 of 901
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-996.jpg?itok=hlihcY1i)
Iron in the Environment
Source Institutions
In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-470.png?itok=pl0WCFJI)
What Sort?
Source Institutions
In this activity (on pages 22-33), learners do the kind of work genetic scientists do, sorting and comparing (images of) genetic material strands called chromosomes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-944.jpg?itok=_Bm1YueS)
Salt Painting
Source Institutions
In this art meets chemistry activity, early learners discover the almost magical absorbent properties of salt while creating ethereal watercolor paintings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-984.jpg?itok=f8wtZWhs)
Endangered!
Source Institutions
While playing a game, learners discover how the Endangered Species Act works in the United States. Learners move along a game board by answering questions correctly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-619.png?itok=5NDHpSfn)
Dispersing Dispersion
Source Institutions
In this activity, learners investigate the movement caused by dispersion. Learners discover that dispersion is the random movement of objects.
![](/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-000-000-002-700.jpg?itok=3SRulhDd)
Two-String Yo-Yo
Source Institutions
Learners build a yo-yo using a piece of wood, PVC pipe, and string. In doing so, learners explore the force of gravity and angular momentum.
Building Houses: Build a Cardboard Tube House
Source Institutions
Build a house you can fit inside, using cardboard tubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-375.png?itok=qVcRVdvJ)
Light Painting
Source Institutions
Light painting is a creative activity that involves creating striking images and illusions using a camera, a light source, and a little practice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-600.jpg?itok=A5LdOls_)
Benham’s Disk
Source Institutions
In this activity (on page 2 of the PDF under GPS: Light and Color Activity), learners will see the illusion of colors produced by a rotating black and white image known as Benham’s Disk.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-933.png?itok=zmbYYrE7)
How Active Are You?
Source Institutions
In this activity, learners explore what is and is not active play and how it contributes to a healthy body and mind. Making active play a routine part of every day is a key concept of the experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-349.png?itok=7krA5cTj)
Turbidity
Source Institutions
This is an activity about turbidity, or the amount of sediment suspended in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-705.jpg?itok=qxXRTd0i)
Probability: Rock Around The Clock
Source Institutions
In this math lesson, learners apply the Monte Carlo method of simulation to determine a reasonable estimate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-370.jpg?itok=zC5wbvP7)
Give or Take?
Source Institutions
In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-931.png?itok=oJ6xgHR5)
Water: A Basic Ingredient
Source Institutions
In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-919.png?itok=Nwmxxfd8)
Waterhouse Hawkins and the Nano Dinosphere Museum
Source Institutions
In this activity, learners explore dinosaurs and fossils by creating a diorama.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-753.jpg?itok=bn9de7f4)
Big Sun, Small Moon
Source Institutions
Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-164.gif?itok=o7Q_Y-qI)
The Wave
Source Institutions
In this multi-step experiment (page 4 of pdf), learners study tide pools, and then drop a "wave" (a 4-pound bag of beans or birdseed) on a shell to mimic the force of crashing surf on tide pool animal
![](/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.