Search Results
Showing results 481 to 500 of 640
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-687.jpg?itok=5S3bGhZ9)
Wind Turbine Blade Design
Source Institutions
In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-219.jpg?itok=CJIPk4mi)
Hopper Herding
Source Institutions
In this outdoor activity and game, learners roundup a "herd" of hopping insects and find out how many different kinds or species are in their herd.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-348.png?itok=joPrVusC)
Radar Mapping: What's in the Box?
Source Institutions
In this activity, learners mimic remote sensing. Learners use a stick to measure the distance to a "planet surface" they cannot see, and create their own map of the landscape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-796.gif?itok=DlG_NXpo)
Springs and Stomachs
Source Institutions
In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp-poi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-552.jpg?itok=kYSXsmk-)
Separating a Mixture
Source Institutions
This activity was designed for blind learners, but all types of learners can explore means of physically separating a mixture using dissolving, filtration, and evaporation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-491.png?itok=gbboRl-B)
Big Time Tour
Source Institutions
In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-485.png?itok=9Ttm27px)
Tracking Otters
Source Institutions
This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-866.jpg?itok=aeniFI_r)
The Thousand-Yard Model
Source Institutions
This is a classic exercise for visualizing the scale of the Solar System.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-383.jpg?itok=9kKvFCPP)
The Watershed Connection
Source Institutions
In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-721.jpg?itok=NwL7-uzi)
Circles of Magnetism I
Source Institutions
In this activity related to magnetism and electricity, learners create a magnetic field that's stronger than the Earth's magnetic field.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-812.gif?itok=n2gfTtxU)
Greeting Card Boxes
Source Institutions
In this activity, learners make cool boxes out of old (or new) greeting cards or postcards.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-268.jpg?itok=TLx3fUdZ)
Using Chemical Change to Identify an Unknown
Source Institutions
In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-426.jpg?itok=WNxZeE6J)
Polyatomic Ion Bingo
Source Institutions
This activity was designed for blind learners, but all types of learners can play this game to learn about the major polyatomic ions (an ion that consists of two different elements).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-147.jpg?itok=w0mmWqxK)
Foam Rocket
Source Institutions
In this activity, learners work in teams build and launch rubberband-powered foam rockets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-432.jpg?itok=uxoOIMo4)
Boomerang
Source Institutions
Everybody loves boomerangs! In this activity about force and motion, the learners will experiment with boomerangs and explore how they work. This is a great activity to get learners up and moving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-730.png?itok=b-soPRD-)
Number Sense and Computation: To Half or Half Not
Source Institutions
In this math lesson, learners use slices of bread and geoboards to explore several ways to divide a rectangle in half. Learners also identify equivalent fractions that represent one-half.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-386.jpg?itok=CZMHR_X1)
Density Rainbow
Source Institutions
In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-195.png?itok=Loeko3z8)
Make Pan Pipes
Source Institutions
This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-743.gif?itok=jJwm7nYu)
Inverse Square Law
Source Institutions
In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-236.jpg?itok=J8_G56II)
Exercise in Creating Drawings for Field Notebooks
Source Institutions
Learners draw and describe a leaf, and then re-find leaves drawn and described by other learners. Learners can observe leaves outside, or leaves may be brought into the classroom.