Use this comprehensive worksheet to guide you and your students through the Many Planets, One Earth Video for Unit 1. This great video covers the habitability of Earth, as well as the geologic and biological evolutionary history of Earth. The rise of oxygen, life, and the occurrence of ice ages, known as the Snowball Earth Theory are discussed. The video questions all have a key and time signatures to help students anticipate when to expect the answers while they watch. This worksheet will keep them engaged.
oxygen, habitable, climate, Snowball Earth, Cambrian explosion, geologic history, evolutionary history, banded iron, glaciers, ice age, evolution, deep time, fossil, stable climate, carbon cycle, volcanic activity, stromatolite, bacteria, carbon dioxide, climate change, global warming, weathering