Plan and conduct a simple investigation. Employ simple equipment and tools to gather data and extend the senses. Use data to construct a reasonable explanation. Communicate investigations and explanations. Scientists use different kinds of investigations depending on the questions they are trying to answer.
Simple instruments provide more information than scientists obtain using only their senses.
Scientists review and ask questions about the results of other scientists' work. Properties of objects and materials B2. Position and motion of objects B3. The characteristics of organisms C2. Life cycles of organisms C3.