4th Grade Science Standards: The Scientific View of the World 4.1.1 Observe and describe that scientific investigations generally work the same way in different places. The Scientific Enterprise 4.1.3 Explain that clear communication is an essential part of doing science since it enables scientists to inform others about their work, to expose their ideas to evaluation by other scientists, and to allow scientists to stay informed about scientific discoveries around the world. Communication Skills 4.2.4 Use numerical data to describe and compare objects and events. 4.2.5 Write descriptions of investigations, using observations and other evidence as support for explanations. Critical Response Skills 4.2.7 Identify better reasons for believing something than �Everybody knows that ...� or �I just know,� and discount such reasons when given by others. Constancy and Change 4.6.4 Observe and describe that some features of things may stay the same even when other features change.