Search Results
Showing results 41 to 60 of 260
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-328.png?itok=i5EL-KMj)
Water Filter
Source Institutions
In this engineering activity, challenge learners to invent a water filter that cleans dirty water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-912.gif?itok=3vWTsPFA)
Four Corners
Source Institutions
In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-103.png?itok=Gl0jYJuC)
Deep Sea Diver
Source Institutions
In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-489.jpg?itok=YZSX8DJ-)
Seed Orbs
Source Institutions
In this activity, learners will make seed orbs to grow new trees and plants. Learners will explore ecology and life cycles as well as stewardship through this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-913.jpg?itok=u9vkXT8X)
Helping Hand
Source Institutions
In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-146.jpg?itok=3vkcmU25)
Measure the Pressure: The "Wet" Barometer
Source Institutions
In this activity, learners use simple items to construct a device for indicating air pressure changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-315.png?itok=VfNHjyRw)
Balloon Car
Source Institutions
In this physics activity, challenge learners to make and race a balloon-powered car. Learners construct the body out of a paper cup, wheels out of wooden spools. and fuel tank out of a balloon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-301.png?itok=ws5OTm1j)
Pencil Balance
Source Institutions
In this activity, challenge learners to make a pencil stand on its tip using only two pieces of wire and two clothespins. Use this activity to demonstrate the center of gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-679.png?itok=Cbpxun1y)
Build a Battery
Source Institutions
Learners make a simple battery out of "sandwiches" of aluminum foil, pennies, and a salt water-soaked paper towel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-456.gif?itok=8DXjbfi8)
Design a Lunar Rover!
Source Institutions
In this team design challenge (page 2-10 of PDF), learners design and build a model of a Lunar Transport Rover that will carry equipment and people on the surface of the Moon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-989.png?itok=NG_fqq5Z)
Assembly Line
Source Institutions
In this activity, learners work individually to assemble a product and then work in teams to design, construct, test, and redesign an assembly line process whose product must meet specific quality con
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-443.gif?itok=Ba1l0UtU)
Diaper Dissection
Source Institutions
This is written as a display, but can easily be adapted to a hands-on activity. Learners discover how all the parts of a diaper work together to keep babies dry and comfortable.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-274.jpg?itok=TA-AIu-f)
Micro Automata
Source Institutions
In this activity, learners build small animated toys that move.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-260.jpg?itok=QMGg2-GJ)
Lever Cowboy
Source Institutions
In this activity, learners build a figure that moves and "comes to life" when they pull its string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-455.gif?itok=aSmlgBzN)
Design a Landing Pod!
Source Institutions
In this team design challenge (page 11-18 of PDF), learners design and build a Landing Pod for a model Lunar Rover (previously built in activity on page 1-10 of PDF).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-227.png?itok=f8YLHh5J)
Eye Spy
Source Institutions
This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-964.png?itok=Oah2gTUm)
A Towering Achievement
Source Institutions
In this experience, learners use the internet to research physical details about Chihuly's Fireworks of Glass "Tower" and "Ceiling" and consider the decisions Chihuly had to make as he was planning th
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-267.jpg?itok=j1UD9T4f)
Earth's Water: A Drop in Your Cup
Source Institutions
This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-638.gif?itok=AZ4Xzol6)
Throwing Pi
Source Institutions
In this calculus activity, learners use a classic problem of geometrical probability to find an important mathematical constant (pi).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-704.jpg?itok=Y8Pf-w9X)
Seashell Journal
Source Institutions
In this activity, learners make homemade journals featuring seashell rubbings. First, learners transfer the texture of a seashell onto a piece of paper using a crayon.