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The Geology of St. Albans, Missouri
The area around the Fulton School has just two types of geology: young, floodplain sediments; and old limestone bedrock. The geology of St. Albans consists of young floodplain sediments (yellow), and...
View ArticleThe History of the Moon
In the early solar system, 4.5 billion years ago, the planets were still coalescing, something enormous hit the Earth. After it formed, huge impacts shaped the surface of the moon into what we see...
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History of the Atmosphere (from the Formation of the Earth)
Composition of the atmosphere from the formation of the Earth. Image ᔥJoel Cayford ↬Ethan Siegal Joel Cayford has posted a nice image showing the composition of the atmosphere over time — since the...
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Tavern Rock Cave
Tavern Rock Cave. Note to self: The Tavern Rock Cave, where Meriwether Lewis almost fell to his death, is 45 minutes from the St. Albans Lake (walking at a fair pace mind you), not “just 20″, no matter...
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The Geology of Oil Traps Activity
The following are my notes for the exercise that resulted in the Oil Traps and Deltas in the Sandbox post. Trapping Oil Crude oil is extracted from layers of sand that can be deep beneath the land...
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Cave Formation in the Ozarks
Ceiling of Twin Cave. Rain falls. Some runs off, Some seeps into the ground. Water drips from the tips of limestone straws on the roof of Twins Cave. It trickles through soil. Leaching acids, organic,...
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Journaling on the River
Students take a break for journaling during our canoe trip on the Current River. It was not all dark and stormy on our Outdoor Education canoe trip. The first afternoon was warm and bright; the first...
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Assessment with the Toilet Paper Timeline of Earth History
With a larger class, and quite a bit of space in the gym, I had more flexibility working on the toilet paper timeline compared to the last time. Labeling the timeline in the gym. I built in a friendly...
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Wandering Through the Creek
Inspecting the creek. The rapid, snow-melt driven, flow in the creek has receded a little, but it managed to clear out most of the dead leaves that have carpeted the stream bed since the fall. Now that...
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Johnson’s Shut Ins
Exploring the natural water works at the Johnson’s Shut Ins. First off, the Shut Ins are narrower constrictions in the river valley formed when stream flows into an area of harder rock. The hard rock,...
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Understanding the Extinction of the Dinosaurs (and the Survival of Mammals)
This neat paper (Robertson et al., 2013) in the Journal of Geophysical Research makes an interesting attempt to explain the pattern of extinctions that occurred at the end of the Cretaceous: why most...
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Back to Heifer
Our initial briefing on getting to the Heifer Ranch. We’re off to Heifer International again with a new crop of middle-schoolers. This time Ms. Vranas is the other chaperone. With stopping for lunch,...
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Plate Tectonics on the Eminence Immersion
The picture of a convergent tectonic boundary pulls together our immersion trip to Eminence, and the geology we’ve been studying this quarter. We saw granite boulders at Elephant Rocks; climbed on a...
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Elephant Rocks
Students explore the massive, spheroidally weathered boulders at Elephant Rocks State Park. We stopped at the Elephant Rocks State Park our way down to Eminence MO for our middle school immersion trip....
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Seeing the Rock Cycle in the Ozarks
On this year’s trip to the Current River with the Middle School we were able to see outcrops of the three major types of rocks: igneous, metamorphic, and sedimentary. Igneous Rocks Beautiful, pink...
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