What do artifacts, or the materials that people leave behind, tell us about their beliefs, values, and what they did during their everyday life? Objective 1. Learn how to develop inferences or educated guess from observations they make. 2. Use inferences to interpret or explain something. 3. Apply their skills of observation and inference to understand how everyday objects represent the culture of a particular group. 4. Recognize limitations to our power of observation and inference. Background Artifacts are more than just objects; they provide important information about people of the past. F Duration: 60 Minutes.