Scientists replace incorrect ideas when new evidence appears, but what happens when scientists reject the new evidence? Learn the story of the Avalon explosion and the scientists who resisted the fossils proving it existed as one part of...

One of the most abundant fossils on earth confused paleontologists for more than one hundred years. Viewers learn about the mystery and discoveries related to conodonts in a video from PBS as part of its Eons series.

Where do fossils that aren't on display in a museum go? Learn about the dinosaur collections at the Museum of the Rockies as part of the larger PBS Eons series of videos. The collections manager explains how they care for fossils and...

Did the T. Rex have feathers? A video from the Eons series playlist explains the exciting recent findings about dinosaurs and feathers. It details the evidence, the research, and our current understanding. It also considers why dinosaurs...

What can layers of rock teach us about the climate? Young scientists solve a mystery about who stole a cookie by applying the law of superposition. Then, they apply the same concept to solve a more difficult mystery, trying to determine...

Shark teeth in Idaho, China, and Russia confused scientists for hundreds of years. A spiral of sharp teeth presented the first clue, but where would they even go on a shark? Learn more about the strange case in a video that is part of a...

How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...

How far have California's Channel islands moved? What was the rate of this movement? Class members first examine data that shows the age of the Hawaiian island chain and the average speed of the Pacific Plate. They then watch West of the...

What's not to love about dinosaurs? Lucky for us humans, we can love to learn about them from 100 million years away, especially a group of extra large predatory dinosaurs from the Cretaceous period. Watch a descriptive video that...

Some scientists believe humans are no longer evolving and have reached their evolutionary peak. In the video, scholars explore Darwin and his published work, The Origin of Species. The instructor discusses Darwin's ideas of biogeography,...

Humans share about 50% of their genes with a banana. In the video, scholars analyze the scientific evidence for evolution. The instructor spends time discussing Darwin and biogeography, fossils, and homologous structures. Scholars then...

Scholars prepare for a field trip to collect rock specimens. They learn how to build proper display boxes, create road logs, and study various geology careers. This is the final chapter in a seven-chapter unit on geology and contains six...

The featured movie focuses on the ancestry of our four-footed friends. Find the fundamental pattern of their limbs and vertebrae in fossils of fish. After viewing, biology learners can enjoy interactive websites to zoom in on the...

Cartoon children compare the earth's age to timescales that we understand:a calendar year, the thickness of a book, the human lifespan. This smart film clip is definitely worth adding to your geologic timescale lesson! If you subscribe...

High schoolers use fossils found in rocks to determine the age of the strata between Rock Island and Chicago. Pupils pretend they are geologists. They must determine the age of all rock layers between the Mississippi River and Lake...

Throughout this earth science exam, high-school geologists complete a series of multiple choice and short answer questions about the solar system, atmosphere, and earth system. This is an amazing test, as are all of the exams developed...

Here is a 14-page lesson plan that deftly outlines a wonderful educational experience for your youngsters. In it, students learn about a variety of animals that have left behind clues of their existence in fossil form. Many excellent...

An exceptionally creative approach is taken to assessing your biologists' grasp of natural selection concepts. They are to imagine hosting Charles Darwin for dinner and having, to their surpise, a few other noted scientists crash the...

Young scholars listen to a reading about fossils and go on a hunt for items with fossil characteristics.  In this cross curricular fossil lesson, students will examine their fossil finds and create a graphic organizer.  Young scholars...

Practicing paleontologists map the geologic time scale, simulate the formation of sedimentary rock, and analyze fossil data. Instructions for four activities and five assessment choices are provided for the teacher. This comprehensive...