Geologic Time Framework · Middle School Earth and Space Science

Middle School Earth and Space Science Quiz

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EARTH'S PLACE IN THE UNIVERSE

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A class uses a simplified geologic time framework to organize Earth's long-term history by order and relative duration. The teacher reminds students: the segment lengths are not equal unless stated. Timeline: [EARLY ———————————————————————————————] [MIDDLE ——————] [RECENT —] Events: • First oceans form (EARLY) • First land plants appear (MIDDLE) • Dinosaurs go extinct (RECENT) A student says: "The MIDDLE segment is in the center of the drawing, so it must represent the middle of time and be exactly half of Earth's history." Which evaluation best fits the framework?

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