Search Results
Showing results 341 to 360 of 459
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-579.png?itok=IOP4yqAb)
The Water Cycle
Source Institutions
Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-722.jpg?itok=m0lIs7MN)
Charge and Carry
Source Institutions
In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-412.png?itok=w1Ql7myz)
Mars from Above: Carving Channels
Source Institutions
In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.
![](/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-000-000-003-491.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-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/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-000-000-003-268.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-000-000-001-147.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-000-000-003-730.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-000-000-004-128.png?itok=pgKkHp-E)
Protein Bracelets
Source Institutions
In this activity, learners use beads, which represent amino acids, to create protein bracelets. Learners examine the relationship between amino acids and proteins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-672.jpg?itok=Fuf_I0sO)
Geyser
Source Institutions
This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-342.jpg?itok=WYvlk42q)
Paper Mache Dinosaurs
Source Institutions
In this activity (located on page 6 of PDF), learners observe and reproduce the distinctive physical features (i.e. plates, sharp spikes, long necks, deep jaws, claws) of their favorite dinosaurs.