Search Results
Showing results 21 to 40 of 822
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-686.jpg?itok=DAiTGkRA)
Tops
Source Institutions
In this activity, learners discover that some things only stand up while they are spinning.
Stories in the Sky
Source Institutions
In this activity, learners create their own constellations and star patterns and write a short, descriptive story explaining the significance of their star pattern/constellation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-218.png?itok=r4wxlsc5)
A Flag for Your Planet
Source Institutions
In this activity, learners design a flag for a chosen or assigned planet. The instructions include information about flags on Earth, and a list of flag references.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-651.jpg?itok=C4X5DdHl)
Battleships: Searching Algorithms
Source Institutions
This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-137.jpg?itok=kAzsrMcX)
A Funny Taste
Source Institutions
In this activity, learners explore the different salinities of various sources of water by taste-testing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-330.jpg?itok=ItPXDz8V)
Changing the Density of a Liquid: Adding Salt
Source Institutions
Learners see that a carrot slice sinks in fresh water and floats in saltwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-123.jpg?itok=zRRMGepL)
How Much Water is in that Cloud?
Source Institutions
In this activity, learners working in pairs saturate a cotton ball using water drops from an eyedropper to demonstrate the high water capacity of clouds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-645.png?itok=0WSZaTcP)
Chromatography Can Separate!
Source Institutions
In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-318.gif?itok=LB15JfS2)
The Missing Link
Source Institutions
In this activity, learners collect, analyze, and interpret information about objects in order to classify them into a cladogram. Use this activity to talk about how scientists classify things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-683.jpg?itok=ZBPEmNXg)
The Rumblin' Road: Determining distance to a Thunderstorm
Source Institutions
In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-242.jpg?itok=ZEdYfTir)
Isopods
Source Institutions
In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-364.png?itok=PPFCBxaV)
Draft Detectives
Source Institutions
In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-284.jpg?itok=T75_mog8)
Box Ecology
Source Institutions
This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
Hold a Hill
Source Institutions
In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-384.jpg?itok=DPAu1cxG)
Skin, Scales and Skulls
Source Institutions
In this activity, learners examine body parts (including skin, scales, and skulls) from fish, mammals and reptiles. Questions are provided to help encourage learner investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-294.png?itok=E5LyhECl)
Lichen Looking
Source Institutions
In this outdoor activity, learners search for lichen, a combination of a fungus and an alga living together. Lichen grow where most other plants cannot, on rocks, the trunks of trees, logs and sand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-253.png?itok=HUS1L8US)
Charge Challenge
Source Institutions
In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-535.jpg?itok=b2CmYgd4)
Tiny Particles, Big Trouble!
Source Institutions
In this activity, learners discover why some nanoscale science and technology is done in the controlled environment of a clean room, what clean rooms are like, and how scientists help keep the clean r
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-068.jpg?itok=J8ziSr9c)
Mineral Scavenger Hunt
Source Institutions
In this activity, learners participate in a scavenger hunt, searching for and recognizing minerals and products that contain minerals.
![](/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.