Times 'a Ticking: The Earth's Geologic Time Scale

This Times 'a Ticking: The Earth's Geologic Time Scale lesson plan also includes:

Eighth graders investigate questions specific to the eras and periods of Earth's geologic time scale. They research websites to determine if statements given them are true or fiction. They correct false statements to make them true and summarize the Earth's geologic time scale to everyday objects through the use of similes.

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