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How old is It? It's always one of the first questions that everyone asks about deep ocean rock cores. How do we really know how old these cores of rock and sediment are? Scientists studying paleohistory (past history of the Earth) need to know the answer to this question because it is important to gain a time context for every core they collect. Without the age, it is very difficult to tell a story, geologic or otherwise. This activity will guide you through one of the methods scientists use call biostratigraphy, the use of microfossils to obtain ages for cores. The activity requires access to the School of Rock website to access an essential datasheet. [Source: Mark Leckie and Kristen St. John, School of Rock, Integrated Ocean Drilling Program] Grade level: 9-College. LINK >> |
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An open source on-line textbook for upper-division college students and graduate students in oceanography, meteorology, and ocean engineering. Grade level: College. LINK >>
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In this activity, students will construct models of water molecules in the three physical states. By completing this activity, students will understand that matter can be found in three forms or phases (solid, liquid, and gas) and they will be able to explain the molecular behavior of ice, water, and water vapor. [Project Learn at the University for Atmospheric Research] Grade level: 6-9. LINK >>
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This is an animation showing the feeding habits of Nanomia cara (a pelagic, or mid-water, colonial jellyfish also known as a siphonophore). Nanomia feeds on small oceanic crustaceans including the very numerous copepods shown as their prey in this animation. Jellyfish play a very important role in oceanic foodwebs. [Source: © 2005, Harbor Branch Oceanographic Institution @Sea mission, Macromedia Flash 5 or later plug-in required] Grade level: 6-College. LINK >>
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This is an animation showing the feeding habits of Nanomia cara (a pelagic, or mid-water, colonial jellyfish also known as a siphonophore). Nanomia feeds on small oceanic crustaceans including the very numerous copepods shown as their prey in this animation. Jellyfish play a very important role in oceanic foodwebs. [Source: © 2005, Harbor Branch Oceanographic Institution @Sea mission, Macromedia Flash 5 or later plug-in required] Graden level: 6-College. LINK >>
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