My science olymiad is very soon and this is very complicated im done with most of them but any more help on these woud be appriciated.
3. THE COMPETITION: Participants will be presented with one or more tasks, each requiring the use of process skills. These skills include, but are not limited to,generating inferences, making predictions, problem solving, making and recording observations, formulating and evaluating hypotheses, interpreting data, and
graphing. This event may be administered in a timed station-to-station format with the possible use of probe ware at stations.
4. TOPICS MAY INCLUDE ANY OR ALL OF THE FOLLOWING:
a. Seawater: dissolved salts and gases, nutrients, pH, density, temperature, pressure b. Variations in salinity: evaporation, precipitation, river runoff, thawing and freezing icebergs and sea ice
c. Sources of salt: volcanic eruptions, spreading zones, chemical weathering of rocks d. Measuring seawater properties: hydrographic (temp., salinity,
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