Science Worksheets and Study Guides Second Grade. Did you know... 2nd Grade

The resources above correspond to the standards listed below:

Pennsylvania Core and Academic Standards

PA.3.1. Biological Sciences
3.1.C. Evolution
Unifying Themes
3.1.2.C3a. CONSTANCY AND CHANGE: Describe some plants and animals that once lived on Earth, (e.g., dinosaurs) but cannot be found anymore.