Read e-book online Marine Science Experiments (Facts on File Science PDF

By Pamela Walker

The oceans at once impact weather and climate, affecting our day-by-day lives in lots of methods. Marine technology contains all the sciences relating to the ocean, together with marine biology and oceanography. offering academics with new and cutting edge school room investigations in a transparent and available structure, Marine technology Experiments offers 20 experiments during this department of technology, on such subject matters as plankton, salinity, marine sediments, whales, and ocean areas. Experiments are supported by way of attractive, full-color figures and line illustrations to assist carry scholars' realization whereas explaining vital marine technology themes.

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Winds, along with the Earth’s rotation, create surface currents. From these currents, eddies spin off that carry water to other parts of the ocean. Eddies are large swirling regions of water that can be hundreds of miles wide. Deepwater currents are set into motion by differences in water density that are due to temperature and salinity. Water near the equator is warmer than water near the poles because of the uneven heating of Earth’s surface by the Sun (see Figure 1). Warming of equatorial waters causes rapid evaporation of water molecules, leaving salt molecules behind.

Furthermore, closeness makes it easy to transfer disease and WALKER/WOOD Bk 7 Marine Science Fig. 2-(7-2-2) parasites from one fish to another. 10/26/09 In this experiment, you were able to count the number of individuals in both the control and the experimental populations. In the wild, scientists must use different techniques. One method, known as mark and 12 MARINE SCIENCE experiments recapture, traps animals, marks them with some identifying tag or label, then releases them back into the wild.

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.

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