4.2

communicate valid oral and written results supported by data.

perform repeated investigations to increase the reliability of results; and

plan and implement descriptive investigations, including asking well defined questions, making inferences, and selecting and using appropriate equipment or technology to answer his/her questions;

construct simple tables, charts, bar graphs, and maps using tools and current technology to organize, examine, and evaluate data;

collect and record data by observing and measuring, using the metric system, and using descriptive words and numerals such as labeled drawings, writing, and concept maps;