Discovery Under the Ocean Floor
This lesson has students analyze ocean sediment cores to understand how scientists use this evidence to reconstruct the geologic history…
Digging Deep for Evidence of Changes on Earth
In this introductory activity, students will analyze core sample data to identify sediment composition on the ocean floor. During this…
Understanding Oceanic Crust Using Density
This lesson focuses on density, relating it to various factors that can affect the behavior of rocks and tectonic plates….
Cycles and Sediments: The Layers in Ocean Sediment Cores Reveal Earth’s Climate History
This lesson has students analyze sediment in ocean cores from the Ross Sea to interpret as evidence of environmental changes….
Crustal Clues: Investigating Seafloor Spreading
This lesson focuses on how sediment deposition and thickness on the ocean floor evidence for seafloor are spreading. Students will…
Collecting Cores from the Seafloor
In this lesson, students will analyze images from the International Ocean Discovery Program to understand the process of how cores…
Climate Fluctuations Recorded in Seafloor Sediment
This lesson has students evaluating oxygen isotope data from different sediment cores and correlating fluctuations in the data with ice…
Climate Diaries of the Deep: Research on Ancient Environments
This lesson focuses on the use of data to study how Earth’s climate has changed over time. Students use foraminifera…
Climate Data from Arctic Coring
These short activities reveal that data on past climates can be obtained from ice and sediment cores. A subset of…
Oh Brother, Is It Hot!
This lesson has students analyze data on cores taken from Brothers volcano, the site of IODP Expedition 376. The data…