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To describe Earth's vast history, scientists use a geologic timescale. They divide it into long segments of time called eras. Each era is further divided into periods. Working in a small team, you will create a poster presentation about one of the periods in Earth's history. You can use classroom...
Grade Level   6 7 8 9 10 11 12
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2
Published in 2007
The Earth's crust is not a solid shell. It is made of thick, interconnecting pieces called tectonic plates that fit together like a puzzle. In this activity, students will: use logic and the evidence to reconstruct the position of large islands and continents as they appeared 220 million years ago;...
Grade Level   5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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3
Published in 2005
Students may be able to tell you how long ago dinosaurs lived, but it is difficult to conceptualize that enormous amount of time. The following activity will help students gain an understanding of geologic time.
Grade Level   5 6 7 8
Classroom Activities Curricula and Instruction
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