Iowa Core Standards
IA.ES. Earth and Space
ES.1. Understand and apply knowledge of the structure and processes of the earth system and the processes that change the earth and its surface.
ES.3. Understand and apply knowledge of earth history based on physical evidence.
IA.SI. Science as Inquiry
SI.2. Design and conduct different kinds of scientific investigations.
SI.6. Use evidence to develop descriptions, explanations, predictions, and models.
SI.7. Think critically and logically to make the relationships between evidence and explanations.
SI.8. Recognize and analyze alternative explanations and predictions.