Students identify the three realms of the Arctic Ocean, and describe the relationships between these realms. They graphically analyze data on sea ice cover in the Arctic Ocean, and recognize a trend in these data.

Learners explain the concept of paleoclimatological proxies. In this oxygen isotope lesson, students interpret data and make inferences about climate changes in the geologic past.

Students investigate the decibel readings of various noises. They determine why high-level readings damage hearing. Students arrange sound from the lowest to highest decibel levels when they written on a piece of paper.