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2 reviewed resources for precambian

Lesson Planet

Fossils & The Geologic Time Scale

For Teachers 6th - 8th
Here is a straighforward and visually appealing presentation for your middle school earth science pupils. It introduces three types of fossils, relative vs. absolute dating, and the different eras of Earth's history. The eras are further...
Lesson Planet

Science Puzzlers, Twisters, and Teasers: The History of Life on Earth

For Students 6th - 8th
A somewhat amusing assignment, this instructional activity 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...