Search Results
Showing results 21 to 40 of 82
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-570.gif?itok=0bFvmKdA)
Glow Up
Source Institutions
In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-978.png?itok=km7rCVvM)
Self-Portrait Silhouettes: Activity 2
Source Institutions
In this activity, learners make a photographic image—without a camera!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-502.jpg?itok=g7gVRAfm)
The Great Plankton Race
Source Institutions
In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-358.png?itok=d17RAX2S)
Tabloid Science
Source Institutions
In this activity, learners analyze a fictionalized report of life on Mars, based on a real NASA satellite photo, and explore how to separate scientific fact from fiction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-601.png?itok=C13JaWp0)
Above Water: Buoyancy & Displacement
Source Institutions
In an investigation called "Shape It!" learners craft tiny boats out of clay, set them afloat on water and then add weight loads to them, in order to explore: how objects stay afloat in water; what th
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-602.png?itok=Ndvc2Bjw)
Uplifting Force: Buoyancy & Density
Source Institutions
In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much wat
Stranded
Source Institutions
What's a more compelling problem to solve than being stranded on a deserted island?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-448.jpg?itok=k91_suxR)
Sidewalk Chalk
Source Institutions
In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-674.png?itok=ipAX94mK)
Wingin' It
Source Institutions
Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-488.png?itok=k4QCd7kw)
Pollution Diffusion
Source Institutions
Learners design their own experiment to investigate how pollution diffuses through ground material.
Ships Ahoy!
Source Institutions
Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-677.jpg?itok=-ycXGc7o)
Designing Bandages
Source Institutions
Learners design different shaped bandages for different purposes. First, they draw their designs on paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-675.jpg?itok=gt3CzHb-)
Draggin' Boats
Source Institutions
Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
Happy City
Source Institutions
Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.
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-000-000-005-282.jpg?itok=Re_XvRr6)
Sustainable Fishing
Source Institutions
In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-241.jpg?itok=1CnItDLW)
Nano Latch-n-Catch
Source Institutions
In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-493.jpg?itok=UujGZd6U)
T-Shirt Transformation
Source Institutions
In this activity, learners will repurpose an old t-shirt to create their own yarn or string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-072.jpg?itok=Dr5p3g0J)
Ewok Escape
Source Institutions
The goal of this Star Wars activity is to design and build a balancing device to help an Ewok escape the Imperial Forces by sliding down a tightrope to safety.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-365.png?itok=QeRSdqbT)
Wind Works!
Source Institutions
Learners will build and experiment with their own windmills made from simple household materials.