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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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ConcepTest: Relative Layer Age #6 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 e. E

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 #12 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which sequence of letters best represents the order in which the layers were formed (from oldest to youngest)? Image courtesy of USGS a. A, B, C, D b. D, A, C, B c. B, D, A, ...

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 #16 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 earliest? a. A b. B c. C d. D

ConcepTest: Relative Layer Age #7 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. An angular unconformity is present between layers ___ and ___. Image courtesy of USGS. a. A and E b. B and D c. C and F d. F and D

ConcepTest: Relative Layer Age #8 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which sequence of letters best represents the order in which the layers were formed (from oldest to youngest)? Image courtesy of USGS a. A, B, C, D, E b. B, D, C, E, A c. A, ...

ConcepTest: Relative Layer Age #13 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 earliest? Image courtesy of USGS a. A b. B c. C d. D

ConcepTest: Relative Layer Age #14 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? Image courtesy of USGS. a. A b. B c. C d. D

ConcepTest: Relative Layer Age #9 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Tilting must have occurred Image courtesy of USGS a. after A was deposited. b. between deposition of layers E and A. c. before B was deposited. d. between deposition of ...

ConcepTest: Isotopic Dating with Parent to Daughter Ratios part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The half-life of a radioactive isotope is 500 million years. Scientists testing a rock sample discover that the sample contains three times as many daughter isotopes as parent isotopes. What is the age of the rock? ...

ConcepTest: What percentage of parent isotopes remain? part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
The half-life of a radioactive isotope is 1,000 million years. Scientists testing a rock sample discover that the ratio of parent and daughter isotopes indicates that the rock is 3,000 million years old. What ...

ConcepTest: Best Index Fossil part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Four outcrops of rock are examined in different locations of a state. The rock types and the fossils they contain are illustrated in the adjacent diagram. Which fossil would be the best choice to use as an index ...

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 - 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: 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 - 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: 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: 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: Relative Layer Age #42 part of Starting Point-Teaching Entry Level Geoscience:ConcepTests:Examples
Examine the image of rock layers below. Which letter is located on an unconformity surface? Image courtesy of USGS a. A b. B c. C d. D