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Showing results 61 to 80 of 88
Simple Submarine
Source Institutions
Using simple, inexpensive items, learners build and test submarine models.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-953.gif?itok=PXODLPi7)
How Greenhouse Gases Absorb Heat
Source Institutions
Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-736.gif?itok=C5u6moz6)
Atmosphere Composition Model
Source Institutions
In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-407.png?itok=NxG01sIV)
Stream Table
Source Institutions
In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-324.jpg?itok=rQfeu318)
Zero-Energy Housing
In this activity, learners investigate passive solar building design with a focus solely on heating.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-411.jpg?itok=Bp10_SuJ)
Mars from Above: Viewing Volcanoes
Source Institutions
In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.
Investigating Convection
Source Institutions
This experiment is designed to illustrate how fluids, including water, have the ability to flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-412.png?itok=w1Ql7myz)
Mars from Above: Carving Channels
Source Institutions
In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-755.jpg?itok=VCO5olzy)
Model Wind Tunnel
Source Institutions
In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-282.png?itok=T-BgN31b)
Human Impact on Estuaries: A Terrible Spill in Grand Bay
Source Institutions
In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-878.jpg?itok=rCW8-jE0)
Polar Opposites
Source Institutions
In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-603.jpg?itok=y3wjgd2O)
Saguaro Nest Cavities
Source Institutions
This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-592.png?itok=t48lDyhK)
Ice on Mars
Source Institutions
In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-367.jpg?itok=zLSxZCjZ)
Exploring an Ecosystem
Source Institutions
In this ecology activity, learners make a model water-based ecosystem called a terraqua column. The column (in a large soda bottle) includes pond water, duckweed, sand or gravel, and small snails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-380.png?itok=H4chHd_b)
Teen Moon: Moon Ooze
Source Institutions
In this activity, learners model how the Moon's volcanic period reshaped its earlier features.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-128.jpg?itok=3XJUXr-v)
Weathering and Erosion
Source Institutions
In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion.
![](/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.
Build A Hydrometer
Source Institutions
In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-925.png?itok=T7egDBD9)
Make a Cast of a Tyrannosaurus rex Fossil
Source Institutions
In this activity, learners explore dinosaur fossils by making cast models of a T. rex. First, learners read about and research how dinosaur fossils form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-164.gif?itok=o7Q_Y-qI)
The Wave
Source Institutions
In this multi-step experiment (page 4 of pdf), learners study tide pools, and then drop a "wave" (a 4-pound bag of beans or birdseed) on a shell to mimic the force of crashing surf on tide pool animal