Howard Hughes Medical Institute
Geological History of Oxygen
Earth didn't always have oxygen, so what caused the change that allows humans to live here? Learn about the change in O2 levels throughout geological history through an interactive graph. Each section offers greater detail on the changes...
Columbus City Schools
The Mystery of Earth’s History
Every living creature can leave a fossil record, yet most fossils belong to extinct organisms rather than ones currently living. Scholars learn about dating rock layers, fossils, and the environment of the past. Pupils understand that...
Columbus City Schools
Geological Effects of Plate Tectonics
Don't get your classes all shook up about plate movement, instead use a thorough unit that guides learners to an understanding of plate tectonics. The lessons incorporate a study of the types of plate boundaries and their effects on the...
Howard Hughes Medical Institute
Deep History of Life on Earth
Take it all the way back! Young scientists discover the changes that took place from the time Earth became solid to present day through an interesting interactive. The resource guides users through key events that have shaped our world...
Howard Hughes Medical Institute
EarthViewer
Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...
Curated OER
Geologic History PowerPoint Follow Sheet-The Rules of the Game
In this geologic history worksheet, students answer questions about the earth's history, about dating fossils, about layers of rocks and about unconformity.
Curated OER
Geologic Time
In this geologic time worksheet, students review how fossils were formed and the events that mark the various geological eras and periods. This worksheet has 10 fill in the blank and 9 short answer questions.
Curated OER
Earth Movements
In this earth science worksheet, learners use the sheet for reinforcing vocabulary and core concepts. The answers are found and reviewed for the attainment of new knowledge.
CK-12 Foundation
CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
Curated OER
Geological Time Scale
In this geological time worksheet, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.
Curated OER
Geologic Time Scale
In this geologic time scale worksheet, 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...
Curated OER
Geological Time Line Comparison-Earth and Missouri
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...
Curated OER
Science Puzzlers, Twisters, and Teasers: The History of Life on Earth
A somewhat amusing assignment, this worksheet lists statements that an ancient organism may have made and asks learners to determine what geologic era that each may have lived in. It uses witty word puzzles and fill-in-the-blank-style...
Curated OER
Fossils
For this earth science worksheet, students use the clues given at the bottom of the sheet to solve the crossword puzzle on fossils. They identify specific names of fossils and how to make a mold of one.
Curated OER
Early Earth History
In this earth history worksheet, students answer 12 questions about geological time, the eras of Earth, the changes taking place in early Earth and the life present during the eras. They also answer 2 questions about the Paleozoic Era.
Curated OER
Geologic Time Scale
In this geologic time scale worksheet, students use a word bank to complete the geologic time scale provided. Students fill in the chart as it relates to the geologic time scale.
Howard Hughes Medical Institute
Following the Trail of Evidence
One important skill in analyzing scientific evidence is identifying facts versus opinions. Scholars identify pieces of evidence from the film The Day the Mesozoic Died and then discuss this evidence in small groups at the end of each act...
School Science
The Big Bang Time Machine
Scholars take off on an interactive spaceship to explore a historical timeline of the big bang theory. They learn about the evolution of mammals and humans, the formation of stars and planets, and the chemical composition of the early...
Curated OER
History of Life
In this history of life worksheet, students will explore how mass extinctions have occurred on Earth, the different periods of the geological time scale, and scientists' use of fossil records. Students will complete 3 fill in the blank...
Curated OER
The History of Life
In this history of life worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with the 11 clues given. Then students review how paleontologists use fossils to learn more about past living things...
Curated OER
Change Through Time
In 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 origin...
Curated OER
Evolution and Geological Time
In this evolution worksheet, students review the geological time scale and how evolution has taken place over time. This worksheet has 13 fill in the blank questions.
Curated OER
The History of Life
In this Earth's history activity, learners will complete 5 true or false questions based on the early history of the Earth. Students will match 7 fossil vocabulary words to their definitions. Learners will complete 4 short answer...
Curated OER
AP: Chapter 26: Origin of Life
Five pages take biologists on a generalized survey of the origin of life. Queries are made regarding theories of how life developed, ancient Earth conditions, and the ever-changing field of taxonomy. The experiments of different...