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Des Moines
At an all-season snow tubing hill, Newton’s second law of motion is observable at any time of year.
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Milford
Bees help move pollen from one plant to another.
Multimedia
Center Junction
Purple martin populations are maintained, in part, through human-designed nests.
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Ames
The head costumer for a stage production must take several criteria into account to ensure all costumes are ready for showtime.
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Ames
Engineering a solution for “snow” to fall during a ballet performance requires thoughtful consideration and planning.
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Ames
Dancers apply several physical science concepts as they perform.
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Ames
A fly system is the primary mechanism which allows theater technicians to hang and quickly move curtains, background scenery, lights and more.
Multimedia
Indianola
Effective application of anhydrous ammonia requires a variety of environmental factors be met.
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Appanoose County
Chronic Wasting Disease is a contagious neurological disease resulting in severe weight loss, behavioral changes, and ultimately death in affected animals.
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Knoxville
The chemical composition found in the karst landscape can lead to the formation of sinkholes.
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Altoona
Roller coaster engineers apply several physics principles to create a safe and thrilling experience.
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Fayette County
Diversity of appearance within a cattle herd can be influenced by genetics and the environment.
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Shenandoah
Molecular sieve beads play an important role in ethanol distillation.
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Parkersburg
Changes in the quantity of birds and the locations of travel are shown, demonstrating complex ecosystems and how animals move or change their ecosystems depending on whether or not their needs are being met.
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West Okoboji
Many species of freshwater fish are attracted to colored lures or baits, and will often mistake them for food.
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Storm Lake
Trees can be strategically planted to act as a windbreak or snow fence.
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Cedar Falls
Pumpkins have a variety of appearance features. Color, shape, size, warts, stems, vines, and the depth of the ribs can all be varied, some present or not. Genetic and environmental factors both play a role in determining the appearance of a pumpkin.
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