Search Results
Showing results 81 to 100 of 196
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-170.jpg?itok=hjTgTs4u)
For Your Eyes Only
Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-497.jpg?itok=d0cKZptq)
Clay Bridges
Source Institutions
In this activity, learners make bridges using an oil-based modeling clay (plasticene). The instructions include discussion questions for both before and after bridge building.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-301.jpg?itok=x9pi3r8R)
Shrinkers: Cook up some plastic!
Source Institutions
In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-057.jpg?itok=vHLxNYvz)
Make Pooter
Source Institutions
In this activity, learners will explore engineering to construct an insect collecting tool (insect aspirator). The pooter uses suction to safely collect smaller insects that nets miss or may injure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-980.jpg?itok=jR2WC2ak)
Design and Build a Better Candy Bag
Source Institutions
In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-056.jpg?itok=_xuY15k9)
Give Me a Brake
Source Institutions
In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-855.jpg?itok=tRthDvhr)
Marble Run!
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-672.png?itok=655GFrPR)
Cactus Needle Phonograph
Source Institutions
Build a phonograph record player using a cactus needle, a record, LEGOs gear box, and a piece of paper! This activity uses a Pico Cricket to turn the motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-532.jpg?itok=PG9wocqX)
Block Neighborhood
Source Institutions
In this activity learners will build a neighborhood out of blocks and cardboard.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-670.jpg?itok=Pl__kNBD)
Vectoring: Steering a Plane
Source Institutions
In this two part activity, learners work in pairs or individually to discover how vectoring the thrust from a jet engine affects movement of an airplane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-485.jpg?itok=-zDnuyfE)
Balancing Act
Source Institutions
In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-491.jpg?itok=HW6H3Wfo)
Puppet Play
Source Institutions
In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-494.gif?itok=-2gJLmsw)
Garden Poles
Source Institutions
In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.
Build a Borneo Glider
Source Institutions
In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-117.png?itok=Ev54YiRT)
Topographic Investigation: Map an Underwater Surface
Source Institutions
In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-229.png?itok=gHEBjInX)
Hang Time
Source Institutions
Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-088.jpg?itok=5dKesYKF)
Turning the Air Upside Down: Convection Current Model
Learners see convection currents in action in this highly visual demonstration. Sealed bags of colored hot or cold water are immersed in tanks of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-203.png?itok=v0WYoBhV)
Thrill Ride
Source Institutions
In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-217.png?itok=RPsnvrZy)
Blow It Away
Source Institutions
In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-851.jpg?itok=S-GBkJzl)
Speed, Eggs and Slam!
Source Institutions
In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Learners experiment with different solutions to this very problem.