2 introduction this report documents research conducted by the salinity laboratory usda-ars under an interagency agreement (dw-12-95386801) with epa region 8. The content and activity in this topic will work towards building an understanding of how salinity and temperature differences affect the density and buoyancy of water layers in the ocean density the density of any substance is calculated by dividing the mass of the matter by the volume of the matter. Precipitation titration: determination of chloride by the mohr method by dr deniz korkmaz introduction titration is a process by which the concentration of an unknown substance in solution is. Report abuse transcript of soil salinization lab million hectares of arable land is lost each year globally to irrigation salinity salinization of soils reduces.
Salinity lab name_____ block_____ background information temperature and salinity (the amount of dissolved salts in the water) affect the density of the. Report your answer in parts per thousand (ppt) use the information on the previous page to help you determine the salinity for each of the place marked on your harbor estuary map. The navy has to keep track of the salinity of seawater (how much salt is in it) because salt makes water more dense changing water density could cause a submarine to rise or fall unexpectedly try putting your bottle submarine in a sink full of salt water. View lab report - soil salinity lab from biol 100 at whittier college the effect of soil salinity on the germination of pea and tomato seeds shumani massa 3/24/14 introduction: salinity of soil is a.
A clear change in salinity has been detected in the world's oceans, signaling shifts and acceleration in the global rainfall and evaporation cycle tied directly to climate change. Density-page 1 density lab equipment needed: scale graduated cylinder ruler block of wood density specimens calculator beaker water purpose: this lab emphasizes analytic measurements, experimental technique, and. The text in this article is licensed under the creative commons-license attribution 40 international (cc by 40) this means you're free to copy, share and adapt any parts (or all) of the text in the article, as long as you give appropriate credit and provide a link/reference to this page. You might think that you can't fit many drops of water on the surface of a penny pennies are just so small in the drops on a penny experiment, though, you'll experience surface tension and cohesion at their finest.
Seed germination procedure worksheet lab report guidelines worksheet seeds what kind cups & potting soil or paper towels & plastic bags water ruler. Brine shrimp usually live in saltwater investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch. 84 perennial plants seem to handle salinity better than annual plants in some cases, salinity also has a toxic effect on plant, because of the high concentration of certain salts in the soil. Los angeles city college chemistry 51 fall 2005 3093 observe the bottom of the meniscus) re-weigh the graduated cylinder now containing alcohol record the weight of alcohol then calculate the density of the alcohol using the equation, d = m/v. This lab can easily be extended into a small report where the students identify the initial question, hypothesis, experimental design, results, and conclusion of this experiment additionally, other.
Lab report: the impacts of 10 b ackground: a breakthrough scientific experiment conducted by 'carnegie science' found that soil salinity considerably affects the growth rate in plants. Report your result to the correct number of significant figures 3) 3the value of the slope obtained above in #2 yields the density of your unknown solid, in units of g/cm using this value, identify your unknown solid (see procedure, part c, #5. Salinity acts to inhibit plant access to soil water by increasing the osmotic strength of the soil solution as the soil dries, the soil solution becomes increasingly concentrated, further limiting plant access to soil water.
See lab report format for how your final lab report should look determine what your group's hypothesis will be and write it as an if, then statement on your lab report label each petri dish with the 4 different amounts of salt using the grease pencil: (control (0%), 1%, 2% and 3%. The halophyte salicornia europaea l is a widely distributed salt-tolerant plant species that produces numerous dimorphic seeds we studied germination and recovery in dimorphic seeds of central asian s europaea under various salinity conditions. Nildo dias and his study of growth and yield for jerusalem artichoke under different management strategies mixing low and high salinity waters monica cornacchione, ms, visiting scientist from inta, argentina, and donald suarez, salinity lab director, are conducting a study on the salt tolerance of alfalfa. Salinity and density lab apparatus 12 100 ml volumetric flasks 6 10 ml volumetric flasks 1 drying oven set at 70-80° 12 plastic beakers (20 ml.
Salinization lab report uploaded by api-282675616 save salinization lab report salinization lab introduction soil salinity is a serious problem that affects. Lab report interpret soil analysis results for ph and salinity describe the significance of soil cec, soil organic matter content and soil texture.
Salinity is a measure of saltiness or how much salt is dissolved in water most of the ocean has a somewhat constant salinity of 35-38 ppt (parts per thousand. Lab 6 the density of seawater this lab is more of a demonstration than an activity relax, have a good attitude, participate in the discussion, and you'll enjoy it. Basic lab report created for student use that provides guidelines for science instruction when teaching about salinity and density essential question: does salt affect the density of water you can use this procedure when discussing salinity in the earth's oceans, or when discussing properties of matter with density, or reviewing the.