Skip to main content

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.

Helium Balloons Deflating

The same balloons can act differently in different settings.

Predicting Swing Motion

The patterns of a swing in motion in various situations can be observed and measured.

Bobcat Out Hunting

This bobcat appears to be out hunting near a creek.

Weather-Related Hazards - Downed Trees

The trees were knocked down due to a tornado that went through the area.

White Trees During Winter

The trees appeared white from snow, fog, temperatures or precipitation.

Condensation on Windows

When conditions are right both inside and outside, condensation is visible on a window.

Changing Length of Daylight

As the seasons change, the sun sets earlier at night and rises later in the mornings.

Leafless Trees in Winter

After the leaves change color in the fall, they fall off and don’t grow back right away.

Crescent-Shaped Shadows During an Eclipse

Crescent-shaped shadows can be seen during a 2017 eclipse.

Energy in a Partially Frozen River

When a river freezes over, the water in the middle is sometimes still running.

Cockleburs Stuck to Clothing

When hiking, you risk the chance of bringing back some cockleburs.

Evidence of Beavers

Evidence on a tree shows that beavers have chewed it.

REAPCorporation for Public BroadcastingAlliant EnergyMusco Lighting Pella