Students create a simple tool to visualize geologic time. They create knots to represent the K/T, P/T and Precambrian boundaries in a 4.6 meter string with each millimeter representing one million years. They then refer back to this...

In this history of life worksheet, students will use diagrams of the Precambrian, Paleozoic, Mesozoic, and Cenozoic Era to complete 4 fill in the blank statements.

In this geologic time scale activity, middle schoolers use a word bank to complete the geologic time scale provided. Students fill in the chart as it relates to the geologic time scale.

Students research the geologic time scale. They create and recognize the importance of a geologic time line.

In this geologic time scale learning exercise, students are given a list of terms and eras which they use to complete a time scale. They classify organic and inorganic changes that took place in the Precambrian era, the Cenozoic era, the...

Using meters as years, your class works together to map out the geologic time scale on a football field. Plenty of background information is included in this lesson plan as well as several resource links and a student worksheet. Your...

In this geological time line worksheet, students compare the time lines they created of the earth's history to the history of Missouri. They answer questions about the eras, the scale of the time lines and the major events that occurred...

In this time scale worksheet, students create a time scale of Missouri and the earth using adding machine tape. The length of the tape represents the history of Missouri and the history of earth. Students identify the major events in...

For this evolution worksheet, students will complete a table by writing in the era and biological event based on 4 different time periods of Earth's history. Students will answer 8 fill in the blank questions based on the different...

In this introduction to animals instructional activity, students complete a crossword puzzle with 47 questions on the types and characteristics of animals.

This site provides a brief overview of the Precambrian Era and provides a clickable chart that breaks down this era into five different time frames. A lot of info is provided on each of the five.

[Free Registration/Login may be required to access all resource tools.] Dig into the historical events that occurred during the late Precambrian Period to identify how they impacted life on earth.

[Free Registration/Login may be required to access all resource tools.] Describes how events during the late Precambrian impacted life on Earth.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about geological processes that took place during the Precambrian Era. Includes a few questions to check for understanding.

This interesting tour examines how life began on earth, provides images of the first life forms, and delves into the role that photosynthesis sexual reproduction, and natural selection played in the the Precambrian period. Listen to...

This resource provides detailed information on each of the periods within the Precambrian Era. It discusses what earth was like, what the first multiple cell organisms were like and when they appeared.

Describes several types of organisms that lived in the Precambrian Era and provides a list of others. Some of these still exist today.

[Free Registration/Login may be required to access all resource tools.] How the first continents were formed.

[Free Registration/Login may be required to access all resource tools.] How the first continents were formed.

[Free Registration/Login may be required to access all resource tools.] How plate tectonics caused the continents to come together to form a supercontinent.

This comprehensive study guide covers the main terms and concepts needed for a unit on the evolution of multicellular life.

The Museum of Paleontology at Berkeley offers an online geological time machine which allows you to catch a glimpse of ancient eras in earth's history. Click into an "Era" to learn about its stratigraphy, life forms, localities, and...

Journey into the past while reading this comprehensive overview of the Archaean Eon that covers topics such as early continents and oceans, first life on Earth, Earth's atmosphere, fossil evidence, and plate tectonics.

Journey into the past while reading this comprehensive overview of the Hadean Eon that covers topics such as the formation of the earth, its surface and atmosphere, fossil evidence, erosion and plate tectonics.