Early Earth History
In this earth history worksheet, students answer 12 questions about geological time, the eras of Earth, the changes taking place in early Earth and the life present during the eras. They also answer 2 questions about the Paleozoic Era.
7th - 9th Science 38 Views 98 Downloads
Impact Craters: A Look at the Past
The Galle crater on Mars is also known as the Happy Face crater because of its appearance. First, scholars use pebbles and flour to simulate craters and study their properties. They then apply this knowledge to help decipher the history...
5th - 8th Science CCSS: Adaptable