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Published byMuriel Jones Modified over 9 years ago
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Evaluate and modify solutions and measure the impact on the global society. Warm-up 10/19 – Pt. 1 Come up with an easier way to say the colored phrases. If you sit in row 1 (door) – do the blue phrase, row 2 (middle) – red phrase, row 3 (far side) – purple phrase.
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Warm-up 10/19 – Pt. 2 VOLCANOES! EARTHQUAKES!! TSUNAMIS!!! 1. What do you know? 2. What do you want to know, or questions you have? Describe what you think Earth was like just after it formed. End
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Early History of Earth Formation Nebular Theory 4.5 billion years ago (bya) Early conditions Molten surface Collisions Atmosphere Early - CO 2 Collisions introduce H 2 O + N Planet gradually cooled 3.9 bya oceans form Land runoff brings minerals Biological influence on atm O 2
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