Search Results
Showing results 241 to 260 of 534
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-985.jpg?itok=k1tu3RVE)
Cast Your Vote
Source Institutions
In this activity, learners explore how voting systems have changed with engineering advances over time. Learners work in teams to design their own voting system using easy to find materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-991.png?itok=71IMDg8l)
Adaptive Device Design
Source Institutions
In this activity, learners explore the concept of how engineering has made possible the development of--and ongoing improvements to--adaptive devices that serve to help individuals with a wide range o
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-047.jpg?itok=_DjeIKSO)
Pipeline Challenge
Source Institutions
In this activity, learners explore how engineers develop pipeline systems to transport oil, water, gas, and other materials over very long distances.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-053.jpg?itok=1OXoH-Ry)
Rubber Band Racers
Source Institutions
In this activity, learners explore the design of rubber band powered cars. Learners work in teams of "engineers" to design and build their own rubber band cars out of everyday items.
Coral and Chemistry
Source Institutions
In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-205.jpg?itok=hDgObBfH)
Slimy Cells
Source Institutions
In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-758.jpg?itok=PXL9JdOG)
Food Forensics: A Case of Mistaken Identity
Source Institutions
This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-837.jpg?itok=bT_-E7YE)
Investigating the Uses of Backyard Bacteria
Source Institutions
The purpose of this lab is to recognize that the answers to some of society's industrial challenges may lie right in our own backyards.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-259.png?itok=yDpeopFH)
Card Flip Magic: Error Detection & Correction
Source Institutions
This magic trick is based on how computers detect and correct data errors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-162.jpg?itok=oVUkgi9_)
Candy Chemosynthesis
Source Institutions
In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-167.png?itok=Oy_69V1m)
A Recipe for Traits
Source Institutions
In this genetics activity, learners create and decode a “DNA recipe” for a dog by randomly selecting strips of paper that represent DNA.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-204.jpg?itok=X5k6Z-Bs)
Origami DNA
Source Institutions
In this activity, learners create an origami model of DNA, demonstrating its double helix structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-052.jpg?itok=Zwftbs9Y)
Robot Basketball
Source Institutions
In this activity, learners explore accuracy and precision.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-046.jpg?itok=_6E4X_dr)
Pendulum Time
Source Institutions
In this activity, learners explore how the pendulum has been a reliable way to keep time for centuries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-990.png?itok=BAgO4zhA)
Arduino Blink Challenge
Source Institutions
In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-984.jpg?itok=x8f6r_R3)
Chair Lift Challenge
Source Institutions
In this activity, learners explore the unique challenges in transportation engineering, such as devising a method for skiers or hikers to get to the top of a mountain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-567.jpg?itok=8G1HykGk)
Hot Air
Source Institutions
In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-760.png?itok=8DKLLRkc)
Ocean Home: Swimming Fishes
Source Institutions
In this activity, learners model, on a human-sized board game, how changes in water temperature may affect fish distributions and, ultimately, fisheries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-573.jpg?itok=ny1GfB6H)
Spectroscope
Source Institutions
In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-598.png?itok=aR8_tWIH)
If Hot Air Rises, Why is it Cold in the Mountains?
Source Institutions
This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside