Download Marine Science Experiments (Facts on File Science by Pamela Walker PDF

By Pamela Walker

The oceans at once impression weather and climate, affecting our day-by-day lives in lots of methods. Marine technology contains the entire sciences concerning the ocean, together with marine biology and oceanography. offering academics with new and leading edge school room investigations in a transparent and available structure, Marine technology Experiments provides 20 experiments during this department of technology, on such subject matters as plankton, salinity, marine sediments, whales, and ocean areas. Experiments are supported by means of enticing, full-color figures and line illustrations to assist carry scholars' cognizance whereas explaining very important marine technology themes.

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2. Place an index card over the flask of salty, colored water. Carefully turn the flask upside down so that the index card is sealed by upward air pressure. 3. Position the inverted flask and card on top of the other Erlenmeyer flask. 4. Have a friend or lab partner gently remove the index card between the two flasks as you hold them in place. 5. Observe what happens when the two types of water meet. Record your observations in your science notebook. 6. Let the flask of water sit for about 5 minutes and continue to observe.

Draw the glass dish of water with the two ziploc™ bags and the two drops of food coloring. Label each item. Use arrows to indicate the movement of the drops of food coloring. 7. The Oceanic Conveyer Belt 41 2. Based on your experimental results in Part A, which is denser, warm water or cold water? How do you know? 3. Imagine that you have a jar filled with room-temperature water. Into this jar you place an ice cube made with blue food coloring. What would you expect to see in the jar as the blue ice cube melts?

Describe the design of the model that sank most slowly. 5. What are some adaptations of planktonic organisms for staying afloat? What’s Going On? Plankton live in the photic zone, the part of the ocean that receives sunlight (see Figure 2). Phytoplankton have several adaptations for staying afloat. Spines, spikes, bristles, and projections help keep them in the 6. Staying Afloat 35 upper regions of the water column. Some have eyespots for detecting light and flagella for helping them swim toward the light.

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