Aristotle explained the idea of spontaneous generation, a concept which lasted almost 2,000 years before scientists proved it wrong. Scholars learn about the history of our understanding of the origins of life. They read examples of...

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...

Addressing the idea of intelligent design, as well as a number of creation myths, this presentation gives a measured and scientific perspective to the beginning of the world.  It includes a graphic on the Big Bang Theory, evolution,...

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...

Your pupils may believe that you and their parents are the oldest things in the universe, but surprise! There are elements of the universe that are even older. Elementary scientists create a class timeline to demonstrate the...

Scientists noticed animals with backbones share similar bone structure despite having different forms, such as fins, arms, and wings. Young scientists gain an appreciation for evolution by understanding the history of the theory. They...

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...

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...

Imagine having to give up cell phones, computers, and TV? What would be lost? What gained? An examination of the Drokpa, a nomadic people who live in the grasslands of Tibet, provides class members an opportunity to consider how access...

In this history of life worksheet, students use diagrams showing how life may have begun on Earth to complete 3 short answer questions.

Students investigate the history of Earth by creating a geologic time scale.  In this Earth History lesson, students practice sequencing events in their life as a way to get familiar with creating a time scale.  Students...

The lessons in this learning guide are designed to increase youngsters' awareness of the impacts of marine debris and to teach them about pollution prevention techniques. This fabulous, 30-page packet is chock full of important...

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...

Students investigate the history of medicine. In this medicine lesson, students may visit the Thackray Medical Museum, the Old Operating Theatre, or the Edward Jenner Museum in Britain online or in-person to discover details about...

Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...

This quiz just looks neat! It has two cell diagrams for biology class members to label. They also describe the function of each organelle. A prokaryotic and eukaryotic cell are displayed for them to compare, and then they fill in the...

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...

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

For 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...

Students explore the Big Bang Theory and the Theory of Plate Tectonics. In this history of life instructional activity, students explain two ways the Theory of Plate Tectonics and the Big Bang are of direct benefits to humans.

Students gain a deeper understanding of geological time and the evolution of life on Earth. They use iMovie to tell a complex story of a discrete time period with narration and images.

Students create a timeline.  In this Earth's History lesson, students research the history of life on Earth and use the information collected to create a timeline.  Students also answers the provided discussion questions.

How did that turkey get from the early Aztec culture to your table? Learn about the history of wild and domesticated turkeys in North America, as well as their inclusion in Thanksgiving traditions, with a two-part agricultural science...

Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...