Podcast
Questions and Answers
What is the process that initiated the movement of continents and led to the opening of the Atlantic Ocean?
What is the process that initiated the movement of continents and led to the opening of the Atlantic Ocean?
- Volcanic eruptions
- Magnetic pole reversal
- Sea-floor spreading at mid-Ocean ridge locations (correct)
- Tectonic plate collision
When did the supercontinent Pangaea form and break apart?
When did the supercontinent Pangaea form and break apart?
- Formed around 100-150 Ma, broke apart during the Jurassic period
- Formed around 200-250 Ma, broke apart during the Cretaceous period
- Formed around 300-350 Ma, broke apart from the Permian period until the early Jurassic
- Formed around 255-210 Ma, broke apart from the Triassic period until the late Cretaceous (correct)
What is the timetable that outlines Earth's possible age and life-forms based on Earth scientists' study of its rocks?
What is the timetable that outlines Earth's possible age and life-forms based on Earth scientists' study of its rocks?
- Paleontological record
- Carbon dating
- Radiometric timescale
- Geologic timescale (correct)
During which era did the Earth's history witness the dominance of turtles, snakes, crocodiles, and lizards?
During which era did the Earth's history witness the dominance of turtles, snakes, crocodiles, and lizards?
During which period did the creation of the Supercontinent Pangaea lead to extreme seasonal weather changes and the great extinction of Earth species?
During which period did the creation of the Supercontinent Pangaea lead to extreme seasonal weather changes and the great extinction of Earth species?
Which era encompasses about 85% of the Earth's geological time?
Which era encompasses about 85% of the Earth's geological time?
Which era is considered the age of ancient life, with trilobites and shelled animals being common species?
Which era is considered the age of ancient life, with trilobites and shelled animals being common species?
During which era was the time of solidification and the formation of the oldest rocks, often found alongside continental shields or crusts?
During which era was the time of solidification and the formation of the oldest rocks, often found alongside continental shields or crusts?
