Search Results
Showing results 141 to 160 of 179
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-906.jpg?itok=dqS5AHvV)
Balsa Towers
Source Institutions
Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-896.jpg?itok=JIQbZ6CP)
Zipline
Source Institutions
In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-942.jpg?itok=V4TLpjl-)
Biomimicry Mash-Up
Source Institutions
In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-867.jpg?itok=VUUITPsC)
Ramps 2: Ramp Builder
Source Institutions
In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-061.jpg?itok=cOsfo695)
Engineering Ups and Downs
Source Institutions
In this activity, learners explore the engineering and principles behind working elevators.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-915.jpg?itok=zw7gB5l0)
Speedy Shelter
Source Institutions
In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-049.jpg?itok=RfKpRTvO)
Popsicle Bridge
Source Institutions
In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-949.jpg?itok=QBTKM4q2)
Roller Coasters
Source Institutions
In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-617.jpg?itok=-TIfGxS4)
Sail Car Design
Source Institutions
This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-025.jpg?itok=Td284hXH)
Elevator Engineering
Source Institutions
In this activity, learners will use household items to design and build an elevator that will carry 2 passengers to a height of 16 inches...or higher!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-027.jpg?itok=wQAv64V8)
Cup Towers
Source Institutions
In this activity, learners explore different ways to stack cups to meet a personal goal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-394.png?itok=s-UULeqY)
Low-Tech Water Filter for High-Impact Clean
Source Institutions
In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-395.png?itok=t4dbcd_n)
Levers at Play
Source Institutions
In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-575.jpg?itok=Zx3r4BPC)
Lift Off!
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-960.jpg?itok=2tePvIOj)
Build a Bridge
Source Institutions
In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-948.jpg?itok=1K3Ygnlp)
Building A Storm Drain
Source Institutions
In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.
MarsBound!: Mission to the Red Planet
Source Institutions
MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-852.jpg?itok=ZykWomxr)
Bookshelf
Source Institutions
In this activity, learners use simple tools to build a bookshelf with a built-in bookend.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-891.jpg?itok=RoACBCDY)
Design a Parachute
Source Institutions
After a discussion about what a parachute is and how it works, learners create parachutes using different materials that they think will work best.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-577.jpg?itok=gPS3XS36)
Milk Carton Boats
Source Institutions
This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.