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Welcome to the Iowa Science Phenomena website! The goal of this website and service is to create, curate, collect and share a growing collection of user-generated, media-based, standards aligned, science phenomena resources for use in Iowa classrooms, as well as support Iowa teachers as they continue to implement phenomena-based and place-based teaching practices.

There are several ways you can be involved in this project:

Questions? Please contact us at phenomena@iowapbs.org.

Cactus in Iowa

This series of pictures shows the traits and presence of the prickly pear cactus in different seasons.

Leaning Trees

One tree in this forest is not standing upright like the other trees.

Stoma: Gas Exchange in Tulips

Stomata in tulips are important parts of the photosynthesis and cellular respiration processes.

Maintaining Homeostasis for Iowa Wind and Rock Race

The Iowa Wind and Rock is a physically demanding bicycle race in Iowa.

Fecal Matter From Different Animals

Animal scat can be examined to determine evolutionary relationships in the animals.

Chloride Levels in Local Waterways

Chloride levels were tested and monitored in several local waterways after the first snow melt to determine street salt impact on local waterways.

Fish Wave

Startled fish cause a wave surge as their individual movements constructively interfere.

Sideways Icicles

Icicles on a roof appear to be sideways, rather than perpendicular to the ground.

Water in Iowa

The state has a variety of surface water and underground water resources.

Paleozoic Plateau of Northeast Iowa

Many people believe Iowa’s landscape is nothing more than flat plains. However, the landscape in northeast Iowa is very different than the rest of the state.

Marine Fossils Found in Iowa

During the early Paleozoic, much of Iowa was covered by a shallow sea.

Lake Superior Agates Found in Iowa

Lake Superior agates can be found in and around the Volga and Turkey rivers.

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