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Activities for teaching about the Early Earth

This collection of activities contains materials used to teach about earth's history, evolution and extinction, geologic timelines, and methods used to date geologic events. We are seeking teaching materials that address early earth topics. Do you have a favorite teaching activity you'd like to share? Please help us expand this collection by sharing your own teaching materials.

You may also find useful information about references and resources for teaching about the early earth and ideas for creating early earth teaching activities.


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Demonstration of radioactive decay using pennies part of Quantitative Skills:Activity Collection
A demonstration (with full class participation) to illustrate radioactive decay by flipping coins. Shows students visually the concepts of exponential decay, half-life and randomness. Works best in large classes – the more people, the better.

Using Popcorn to Simulate Radioactive Decay part of Quantitative Skills:Activity Collection
Popping popcorn in your class is an excellent way to illustrate both the spontaneity and irreversible change associated with radioactive decay. It helps students to understand the unpredictability of decay.

Calibrated Peer ReviewTM: Kerguelen Plateau, Southern Indian Ocean - Geologic History of A Large Igneous Province part of Starting Point-Teaching Entry Level Geoscience:Peer Review:Examples
This activity explores the significance and geologic history of the Kerguelen Plateau Large Igneous Province, as revealed by Ocean Drilling Program. -

Back-of-the-Envelope Calculations: Earth History Timeline part of Quantitative Skills:Activity Collection
Question The Earth is about 4.6 billion years old. Let's try to get a perspective on how long that really is. A roll of good quality toilet paper has 1000 squares. If the roll of toilet paper represents the ...

Back-of-the-Envelope Calculations: Age of the Earth part of Quantitative Skills:Activity Collection
Question The Earth is about 4.6 billion years old. Let's try to get a perspective on how long that really is. Suppose that you decided to count to 4.6 billion and that you counted 1 number every second. How ...

M&M Model for Radioactive Decay part of Quantitative Skills:Activity Collection
A tasty in-class demonstration of radioactive decay using two colors of M&M's. Illustrates the quantitative concepts of probability and exponential decay. This activity is appropriate for small classes (<40 students).

Gallery Walk Questions about Time and Earth History part of Starting Point-Teaching Entry Level Geoscience:Gallery Walks:Examples
created by Mark Francek, Central Michigan University The following are potential questions that could be used in a gallery walk activity about time and earth history. The questions are organized according to the ...

When and How Did Continental Crust Form? part of Cutting Edge:Petrology:Teaching Examples
Many models have been proposed regarding the timing and mechanisms that first formed the continental crust. The purpose of this exercise is to help students explore the question of crustal genesis and evolution ...

Living with Volcanoes: An Introduction to Geoarchaeology part of Cutting Edge:Environmental Geology:Activities
This activity introduces students to the interdisciplinary field of geoarchaeology through a case study of the eruption of Mt. Vesuvius in 79 CE. It combines short lectures with questions requiring analyses of a ...

Sedimentation of Mud - Observation and Analysis part of Cutting Edge:Enhance Your Teaching:Videos:Activities
The process of mud settling in a graduated cylinder was filmed as a time lapse series over about 2 hours. Students observe and analyze the sedimentation process.

ConcepTest: Oldest Rocks part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Identify which letter corresponds most closely to the age of the oldest known ...

ConcepTest: Rock Ages part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Match the features in the relative time diagram below with the events described in the short sentences. Assume all rocks are sedimentary unless otherwise indicated. What is the best estimate of the age of F if A is ...

ConcepTest: Earth Timeline - Formation of the Earth part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Identify which letter corresponds most closely to the formation of Earth. a. C ...

ConcepTest: Earth Timeline - the fossil record part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Identify which letter corresponds most closely to the first appearance in the ...

ConcepTest: Earth Timeline - oldest known rock part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Identify which letter corresponds most closely to the age of the oldest known ...

ConcepTest: Earth Timeline - dinosaur extinction part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Carefully examine the relative positions of the lettered arrows on the timeline below and estimate the ages represented by each arrow. Identify which letter corresponds most closely to the extinction of the ...

ConcepTest: Relative Layer Age #15 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
What principle would be the best to apply to determine the order in which layers A, B, C, and D in the image below were formed? Image courtesy of USGS. a. Superposition b. Cross-cutting relationships c. Original ...

ConcepTest: Relative Layer Age #11 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which letter represents the layer that was formed last? Image courtesy of USGS a. A b. B c. C d. D

ConcepTest: Relative Layer Age #17 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which letter represents the layer that was formed most recently? a. A b. B c. C d. D

ConcepTest: Relative Layer Age #18 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which statement is most accurate? a. Layers A and B are the same age. b. Layers A and C are the same age. c. Layers A and D are the same age.