The Prolific Tenontosaurus

We have just finished writing and testing a new teaching session aimed at Year 7 students (key stage 3) for the national curriculum science element.  Working around the objective of trying to create a 45 minute long teaching session based around the concepts of scientific evaluation and analysis, we chose to focus on the interaction between the Mid Cretaceous Dromaeosaur Deinonychus and the herbivorous Tenontosaurus.

Despite the large numbers of Tenontosaurus fossils that have been found in the United States (Montana with a second species identified in Texas),  palaeontologists remain uncertain whether this highly successful plant-eater is a member of the Hypsilophodontidae or a basal Iguanodontid.  We think current research puts this Ornithopod in the Iguanodontidae camp (at least for the moment).

Something like 20% of all Tenontosaurus fossils found outside Texas are associated with the fossilised remains of Deinonychus.   This may reflect a predator/prey relationship and a number of dig sites have revealed so much more information that some scientists have postulated that Deinonychus was the  main predator of Tenontosaurus and these two genera were very strongly dependent upon one another – i.e. when the Tenontosaurs thrived so did the predatory “raptors”.

The lesson plan we have developed permits students to explore the fossil evidence and to act as “dinosaur detectives” putting forward theories as to what the fossils may show.  We then encourage students, working in small groups to undertake role play to demonstrate the theory that they have come up with and to justify it.

To view a model of Tenontosaurus and other dinosaur models: Dinosaur Toys for Boys & Girls – Dinosaur Toys

Working around the themes from the national curriculum for science such as using scientific ideas and models to explain phenomena and developing them creatively to generate and test theories (KS3 Science 1.1a), this lesson plan that has already been piloted, seems to have a broad appeal as well as catering for a number of different learning styles.

To visit the Everything Dinosaur Teaching Information including a Dinosaur Workshop: Dinosaur Workshops for Schools

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