University of Colorado
Are All Asteroids' Surfaces the Same Age?
Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...
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Dinosaur I Finding And Dating
Students investigate how long dinosaurs lived on Earth and how that compare to how long man has been on Earth. They discover how scientists excavate fossils.
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Mapping of the Earth's Past
Students create a scale model time linen of the Earth's 4.6 billion year history. They calculate a scale that can fit on a very long register tape then label each geologic era. They use text books to annotate each era with major geologic...
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Measuring the Earth (Eratoshenes' method)
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
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The Finer Things in Life
Momoyama and Edo are periods in Japanese history that can be defined culturally and artistically. Learners explore and discuss how the samurai used sword guards and grip enhancers. Pupils read the story "The Inch-High Samurai," examine...
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Dating Popcorn
Students simulate the dating process with popcorn. In this geology lesson, students discuss how geologist find the age of rocks by gauging the amount of decay of radioactive elements. They have 6 bags of popcorn and each group microwaves...
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Bank On It! Worksheet - Planet Earth
In this science worksheet, students complete a paragraph about the history of the planet earth by filling in the blank with words from a word bank.
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Europe – Religion and Reformation
Ninth graders examine the Reformation. In this European history lesson, 9th graders explore the 95 theses of Martin Luther and discuss the reaction of the Roman Catholic Church to his ideas. Students then take a quiz based on the lesson.
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Geologic Time: Relative and Absolute Dating
Students investigate relative and absolute dating; determine the difference between the two dating systems; and apply this knowledge by creating a geologic timetable of their own.
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Dating Sedimentary Strata
Students investigate how the age of sedimentary strata is determined. In this sedimentary strata activity, students work through problems that show that geological history covers millions of years. They distinguish between relative and...
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History of Life
In this history of life worksheet, learners 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...
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History in the Painting
Students examine the topic of art history. They identify objects that were created long ago and the artists that made them. They create a tile design of their own to be displayed at school.
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The History of Life
In this origin of life worksheet, students will review the different theories on how life originated on the Earth including the experiments conducted by Louis Pastuer, Francesco Redi, and Miller and Urey. Students will complete 14 fill...
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The History of Life
In this history of life worksheet, students use diagrams showing how life may have begun on Earth to complete 3 short answer questions.
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Western Civilizations, Chapter 23: Modern Industry and Mass Politics, 1870-1914
Looking for an interactive way to supplement your western civilization course? Check out this comprehensive website, designed to accompany the Western Civilizations text (although it is valuable independently). Scholars investigate...
K12 Reader
Her Story: Sojourner Truth
Sojourner Truth is one of the most prominent faces of the abolitionist movement, but what was her life in slavery like? Learn more about her early years with a reading comprehension resource that provides a short passage from her...
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Role Playing in North America: Mid 1600s-Mid 1700s
Eighth graders apply their knowledge of North American history from the mid 1600's through the mid 1700's to a role-playing scenario. In small groups they plan, write, and perform a dramatic skit of a group that was affected by events in...
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How Tsunamis Form
In this earth science instructional activity, students read and study facts about tsunami and earthquakes to complete 8 short answer questions that follow.
Weebly
Phases of Life Poster Project
Now this is a clever approach to familiarizing aspiring astronomers with the phases of the moon! They first record the specific dates for ten special events in their lives. Then they use an online moon phase calendar to find out which...
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Making The Geologic Time Scale Real
Students are assigned significant geologic events in Earth's history. They convert the date of the events into distances and then space themselves (on an outside playing field) away from other groups, to represent time between various...
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Science NetLinks: Fossils and Geologic Time
Students investigate the development of the geologic time scale. Also, to introduce them to the major time periods in earth's history, as well as to the role fossils play in helping us understand this history.
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Fossils and Geologic Time
Students explore the development of the geologic time scale. They examine the major time periods in earth's history. Students discuss the role fossils play in helping us understand history.
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Change Through Time
In this evolution instructional activity, 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...
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The Gopher Tortoise
Can you believe the gopher tortoise was around when the dinosaurs were walking the Earth. Learn all about this creature that is one of Florida's most popular reptiles. Hands-on-activities and a glossary full of scientific terms make this...