Past Climates Give a Glimpse into Earth’s Future
In this lesson, students analyze ocean sediment cores to describe changes in sediment color, origin, magnetic susceptibility, and calcium carbonate…
Getting Salty
This lesson focuses on how saltwater forms. Students will observe a model to describe how salt enters water sources and…
Eons in a Grain
This lesson has students analyze fossil evidence to provide context for an ocean sediment core relative to the geologic time…
Drilling into Deep Time: Unraveling Earth’s Complex History with Ocean Cores
Students will be able to make observations and inferences about the different organisms found within the layers of sediment cores…
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…