Historical Geology Pre Assessment TL
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Class period, last name, first name *
How old is the Earth? *
When did the dinosaurs become extinct? *
When did the greatest extinction occur on Earth? *
Of all species that have ever existed on Earth, approximately what % is now extinct? *
What is the geologic time scale? *
Pick the correct order of how the events occurred in history, from oldest to youngest- *
Pick the order of species showing when they appeared on Earth, oldest to youngest- *
Did humans live when there were dinosaurs? *
Pick the order of species showing when they appeared on Earth, oldest to youngest- *
Pick the order of species showing when they appeared on earth, oldest to youngest- *
How do/did scientists determine when an era ends? Click ALL that apply- *
Required
Define mass extinction- *
What could be some possible effects if an ice age occurred in modern times? *
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