Learning Target: I will understand that the Sun,Earth, and the rest of the solar system formed approximately 4.6 billion years ago based on a wide variety of data collected by different methods and that when viewed on a human time scale, some processes that shape it are happening so slowly they cannot be easily detected in a lifetime.
BR(1) The earliest forms of life appeared during the ______ era.
1. CPS Review
Homework: Study for your test on Friday
