Science Worksheets and Study Guides Third Grade. Changes on earth

The resources above correspond to the standards listed below:

Colorado Academic Standards (CAS)

CO.3. Earth Systems Science
3.1. Earth's materials can be broken down and/or combined into different materials such as rocks, minerals, rock cycle, formation of soil, and sand - some of which are usable resources for human activity. Students can:
3.1.a. Investigate and identify two or more ways that Earth's materials can be broken down and/or combined in different ways such as minerals into rocks, rock cycle, formation of soil, and sand
3.1.b. Use evidence to develop a scientific explanation about one or more processes that break down and/or combine Earth materials