Aiden learned about The Alvarez Hypothesis, which theorizes that an iridium layer in the geologic record is a key bed indicating that an asteroid impact caused the Cretaceous mass extinction. He also learned about Lapworth's research that theorized how uplift and mountain building have reorganized the layers of the Earth.

Colson was absent today. I took the period to lesson plan.

Teddy completed his interactive calendar, read and discussed his vocabulary words, finished his calendar talk, put together his daily sentence puzzle, and learned about the changes in the weather.

Libby completed her interactive calendar, read and discussed her vocabulary, finished her calendar talk, put together her daily sentence puzzle, and explored the reasons for the weather,

Nico completed his interactive calendar. He reviewed and discussed his vocabulary words. He worked on an experiment
creating a chemical reaction.

Nico completed his interactive calendar, read and discussed old and new vocabulary, and learned about electrical energy.

Libby completed her interactive calendar, read and discussed old and new vocabulary words, put together her daily sentence puzzle, worked on her phonics activities, finished her calendar talk activity, and learned about the weather.

Teddy completed his interactive calendar, finished his calendar talk activity, worked on his new vocabulary words, put together his daily sentence puzzle, and learned about what the meaning of weather is.

Aiden viewed a video about The Grand Staircase, which explains how three canyons demonstrate that layers of rock are the same throughout The West using the principles of lateral continuity and superposition. He learned about the three unconformities: angular unconformity, disconformity and nonconformity. He completed Investigation "Gaps in the Rock Record."

Colson was absent today. I took the period to lesson plan.