Search Results
Showing results 261 to 280 of 289
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-573.png?itok=Nc0XmVZy)
Water Treatment
Source Institutions
Water treatment on a large scale enables the supply of clean drinking water to communities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-729.jpg?itok=hsuLpP1d)
Oil Spot Photometer
Source Institutions
In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-512.jpg?itok=ejj0tJ9P)
Exploring Size: StretchAbility
Source Institutions
In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-506.jpg?itok=lvcx8lKV)
Exploring Structures: DNA
Source Institutions
In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.
Butterflies in Space
Source Institutions
The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-239.png?itok=HNOLB5T_)
Trail Construction
Source Institutions
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-116.jpg?itok=WwqZoc_P)
I Can't Take the Pressure!
Learners develop an understanding of air pressure in two different activities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-670.jpg?itok=PxSvD0vb)
Horton Senses Something Small
Source Institutions
In this story time program, young learners listen to the Dr.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-117.jpg?itok=TX7iSrLh)
What's Hiding in the Air?: Rubber Band Air Test
Learners build devices from rubber bands to test for invisible air pollutants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-671.gif?itok=C9PWgzD2)
Biomimicry: Synthetic Gecko Tape Through Nanomolding
Source Institutions
In this activity/demo, learners examine a synthetic gecko tape with micron sized hairs that mimics the behavior of the gecko foot.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-665.jpg?itok=2AB-jFyp)
I Spy Nano!
Source Institutions
In this game, learners try to find nano-related objects on a game board. Learners investigate the different ways nano is in the world around us.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-191.jpg?itok=wk3yU_kY)
Design a Seed
Source Institutions
In this activity, learners will design a seed and test how it travels. Learners will use the Engineering Design Process to create a seed which can move from place to place.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-310.jpg?itok=AVrWKFeV)
Stabilization Wedges Game
Source Institutions
This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-528.jpg?itok=YTjTmh3H)
Total Internal Reflection
Source Institutions
In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-820.jpg?itok=SsjsJ1j1)
Giving Water the Treatment
Source Institutions
In this ecology activity (page 8 of the PDF), learners explore how to filter contaminated water using a variety of materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-049.png?itok=32BH0xDR)
Biotechnology Through Time
Source Institutions
In this activity, learners investigate the history and development of agricultural biotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-055.gif?itok=hnm5qR6Y)
Hand Biometrics Technology
Source Institutions
In this activity, learners explore how engineers incorporate biometric technologies into products as well as the challenges of engineers who must weigh privacy, security and other issues when designin
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-851.jpg?itok=rihtwcIW)
Aerial Imagery
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Earthquakes) is a full inquiry investigation into aerial imagery.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-010.png?itok=4wJeuA4m)
The Dead Zone: A Marine Horror Story
Source Institutions
In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-831.jpg?itok=Ry7OV3B4)
Biotech in a Bag
Source Institutions
In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology.