Woolly Mammoth Bones
Three sets of woolly mammoth bones were found in Mahaska County in 2010 by a man and his son who originally saw something that looked like a bowling ball. This ended up being the femur of a woolly mammoth. After they started to excavate they found teeth, a skull and other bones.
Location
Farm near Oskaloosa, Mahaska County, Iowa
Driving Question
- What type of bone is this?
Probing Questions
- Is this a mammal or dinosaur?
- How do we know that it is a mammoth?
- Why would we find a mammoth here in Iowa?
- Why did the woolly mammoth die?
Classroom Suggestions
Students could:
- Research how scientists determine that this bone is a woolly mammoth.
- Provide evidence that mammoths could have been in Iowa.
- Compare woolly mammoth teeth to Asian elephants.
- Look at maps of the last ice age to see where glaciers would be.
- Write a claim with evidence and reasoning as to why the mammoths would have died at the excavation site.
Resources
- University of Iowa Museum of Natural History | Mahaska County Mammoths: This article describes the discovery of mammoths in Iowa.
- Iowa Now | Discovery of Mammoth Proportions: This article describes the discovery of mammoths in Iowa and how they were excavated.
- Mahaska County Conservation Board: Learn more about Mahaska County and the Mahaska County Conservation Board.
- New Visions for Schools | Woolly Mammoth Unit This middle school storyline explores the extinction of mammoths and includes a full teacher guide and student materials.
Iowa Core Alignment
HS-LS2-6:Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem
Credit Info
Submitted by Kala Miller
Pictures provided by Laura DeCook, Naturalist, Mahaska County Conservation Board