Use data to construct a reasonable explanation. Communicate investigations and explanations. Understandings about scientific inquiry Scientific investigations involve asking and answering a question. Scientists use different kinds of investigations, depending on the questions they are trying to answer. Simple instruments, such as magnifiers and rulers, provide more information than scientists obtain using only their senses.
Scientists make the results of their investigations public.
Those properties can be measured using tools, such as a ruler. Objects are made of one or more materials, such as paper, wood, and metal. Objects can be described by the properties of the materials from which they are made. Position and motion of objects An object's motion can be described. Sound is produced by vibrating objects.