In this evolution worksheet, young scholars review genetic variability, gene mutations, biodiversity and adaptations. This worksheet has 22 fill in the blank and 10 short answer questions.

Students discuss the importance of California's water system. In this earth science lesson, student play the role of different stakeholders. They present a 2-3 minute argument on their group's perspective about their need for water.

A discussion of geologic time, along with a presentation of evidence for the time span involved.

In this interactive tutorial you will learn about geological resources. Learn what the types of resources are and concentrate on learning about mineral resources and how they are obtained and used, and then about energy resources and...

A geology news site that is updated daily with news on the latest geological happenings, such as earthquakes. It also has virtual field trips and a glossary of geology terms.

In this interactive tutorial you will explore how geologists use clues in rocks to determine the order in which rocks formed. Learn how principles of radioactivity are used to assign actual ages to rocks. Students will explore fossils...

Take this online quiz and test your knowledge of geological history, and the formation of our atmosphere, water, crust, oxygen, tectonic plates, Moon, and the rest of the Earth.

In this interactive tutorial, you will learn about the types of weathering and erosion that rocks and landforms undergo. This will lead to a discussion of soil and the types of soil. Lastly, you will learn about mass movements of soil,...

In this amazing interactive tutorial, you'll learn about minerals - the building blocks or rocks and the Earth. We'll talk about what makes something a mineral, and how differences in these minerals let us organize them into different...

In this interactive tutorial, you will learn about glaciers - rivers of ice. Learn about the features caused by moving glaciers.

This lesson introduces geological maps and explains how to use a key to read the maps. It is 3 of 3 in the series titled "Geology: Reading Geological Maps."

A massive amount of information about groundwater. Topics covered include groundwater basics, humans and groundwater, groundwater quality, and its place in the water cycle. Includes true-and-false quiz and a Q&A section, as well as a...

A quick summary of the water cycle that includes a diagram of the cycle, with links to in-depth explanations of each component of the cycle. Click "water-cycle home" to access water-cycle resources in a variety of languages.

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

Kids learn about the Earth science subject of mountains including how they are formed, types of mountains, geological features, definition, and fun facts.

Learn about acid rain and the devasting effects it has on the U.S., particularly on our nation's capital and monuments.

Descriptions and pictures of over thirty minerals are available at this website. Documents describing the properties of minerals and how to use the properties for identification templates to make models, and dichotomous keys make up the...

This site contains information about we have learned about the San Andreas Fault since 1906.

Locate glaciers and ice caps on a world map at this USGS site. Read about the formation of galciers and other interesting facts. Learn about the effects glaciers have on the landscape, and of their importance for our fresh water supplies.

The United States Geological Survey offers a complete look at water science in glossary form. Take advantage of the topic guides at the top of the site. You'll find great maps, clipart and activities centers. Click Home to access the...

Irvine Ranch is a unique natural landmark in southern California rich in geology and biodiversity.

What kind of evidence could demonstrate that humans have begun to dominate and alter the life systems of Earth and have entered a new geological epoch? This article discusses the suggestion that we have entered the Anthropocene and...

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."