This is a popular activity in which students use materials found in nature to create miniature national parks. This write-up includes some more thought-provoking questions than this activity has historically utilized.
 

These five simple steps to inquiry allow students to make meaningful observations and practice developing research questions. 

Utilize students' excitement and interest in ice by using it as the focus of an investigation. Students observe ice, develop a testable question, and conduct an investigation to learn more about the properties of ice.