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Exploration Tank
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This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.

Modeling Tidal Action
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In this activity (Lesson 1), learners work in groups to create tide simulations.

Mountains in the Sea
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In this 6-7 day investigation, learners begin with an introduction to seamounts that are present in the Gulf of Alaska.

Chocolate (Sea Floor) Lava
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In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

The Carbon Cycle Game
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In this activity, learners take on the role of a carbon atom and record which reservoirs in the carbon cycle they visit.

What is in the Water?
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In this activity, learners use open inquiry to learn about the process of science as well as gain experience regarding the Law of Conservation of Mass, dissolution, and density.
The Return of El Nino
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In this activity related to climate change and data analysis, learners examine temperature and precipitation data to determine if climate variations are due to El Niño.

That Sinking Feeling
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In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.

Got Seaweed?
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In this activity, learners examine the properties of different seaweeds, investigate what happens when powdered seaweed (alginate) is added to water, and learn about food products made with seaweed.

Conductivity: Salty Water
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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

The Ins and Outs of Tides: Learn About Causes and Predictions
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In this activity, learners will compare predicted and observed tides using data from The National Oceanic and Atmospheric Administration(NOAA).
Tsunami: Waves of Destruction
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In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.

Ocean in a Bottle
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In this activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife.

Make Your Own Deep-Sea Vent
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

Map That Habitat
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Historically, sea floor mapping (bathymetry) was done by soundings.
Simple Submarine
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Using simple, inexpensive items, learners build and test submarine models.

Mid-Ocean Ridge Spreading
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In this earth science activity (page 14 of the PDF), learners use layers of closed-cell foam to create their own model of the mid-ocean ridge in order to simulate seafloor spreading.

Ocean in a Bottle
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.
Harmful Algal Blooms: In Full Bloom
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In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.

How it is Currently Done
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In this quick activity, learners observe how wind creates ocean currents.