This excellent resource from the San Diego Zoo presents extensive information on West African lungfish including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.

Read about the unusual characteristics of a pterosaur discovered in Utah. Includes video.

At one time, humans, fueled by the animals and plants they ate and the wood they burned, or aided by their domesticated animals, provided most of the energy in use. All life operated within the fairly immediate flow of energy from the...

Charles Darwin's theory that all living organisms are connected in some way has been confirmed through intense studies over centuries. Understand the similarities that bond all things living to the same family tree by checking out this...

This lesson will present how to identify and classify crystals. It is 2 of 3 in the series titled "Geology: Crystals."

Take this interactive, multiple-choice quiz over evolution, then review your score and any missed questions at the end.

Students will be using live data about volcanoes and earthquakes to look for patterns and understand why natural disasters may or may not be able to be predicted. Resources include helpful websites, a video of the lesson in action,...

Explains what stromatolites are, their formation from colonies of cyanobacteria, their evolutionary importance, and where they can be found living today. Thrombolites are similar to stromatolites but form differently. They can also still...

[Free Registration/Login may be required to access all resource tools.] Looks at how stratigraphy can be used to determine the relative ages of rocks, how unconformities occur, ways to match rock layers in different areas, and how...

Fossils found in Argentina have led scientists to change the way they think about the evolution of dinosaurs. A relative of the velociraptor has been found that demonstrated bird-like features. Learn more about these fossils here. [Date...

Learn what non-renewable energy is and the different types.

Evaluate how much of our day-to-day living depends on products made from crude oil. This lesson will explore many of these items and consider the benefits if alternatives were found.

Acceleration, an increase in the rate of change, is occurring both in the Universe and in human culture on planet Earth. This article explains these fascinating changes.

Use the Internet to search for news stories about the Modern Revolution and discuss the provided questions. Helpful links are provided to get you started.

Students will analyze data from an air pollution study as well as facts about air pollution and use the data as evidence to infer the effect of using natural resources on the atmosphere and on public health.

An overview of Walter and Luis Alverez's theory that a large meteorite crashed into earth causing huge tidal waves, showers of ash, and an enormous dust cloud.

This lesson will present how to identify and classify crystals. It is 3 of 3 in the series titled "Geology: Crystals."

This lesson will present how to identify and classify igneous rocks. It is 2 of 3 in the series titled "Geology: Igneous Rocks."

Are plates of armor, horns, exceptionally large heads, and bony plates examples of dinosaur display or defense? Visitors to this resource will learn what scientists have concluded about the purpose of these peculiar dinosaur features.