between solid and fluid Calculate common fluid properties: i. Mass density ii. Specific weight iii. Relative density iv. Dynamic viscosity v. Kinematic viscosity INTRODUCTION Fluid Mechanics Gas Liquids Statics i F 0 F 0 i Laminar/ Turbulent Dynamics ‚ Flows Compressible/ Incompressible Air‚ He‚ Ar‚ N2‚ etc. Water‚ Oils‚ Alcohols‚ etc. Stability Pressure Buoyancy Surface Tension Compressibility Density Viscosity Vapor Pressure Steady/Unsteady Viscous/Inviscid
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floating and then classify objects according to whether they sink or float. CONTEXT In this activity students will determine whether various objects sink or float in water. Whether an object sinks or float in a liquid depends mainly on two factors: density and buoyancy. However‚ at this level‚ students do not need to explain why objects sink or float. They are rather to be encouraged to observe that the same objects will sink or float every time‚ i.e.‚ that there is consistency in the way the objects
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the cell will wither and dry out—and eventually die. More generally‚ the property of water that allows it to expand when frozen only goes on to show how dependent life is on the existence of water on Earth. Because the density of frozen water‚ or ice‚ is lower than the density of liquid water‚ a layer of ice forms over the water still in its liquid state; this layer of ice insulates the water underneath it‚ ensuring that the water will remain‚ for the most part‚ in liquid form. If ice was denser
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Title: Laboratory Techniques and Measurements Purpose: To properly use‚ understand‚ and correctly convert the scientific measurements such as: finding density‚ converting centimeters to millimeters‚ 3 different units of temperature‚ etc… Procedure: I used a metric ruler to measure the length of the objects‚ a thermometer to determine the degrees of the water‚ and a scale to determine the mass of the designated objects. I used the proper equipment to measure out or hold the item. After I gathered
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dropper’s density. When the density of the dropper increased‚ it became more dense than the water it was in‚ causing the dropper to sink. When pressure was released‚ the air was sucked back into the dropper making it less dense than the water again‚ so it floats back up to the top of the bottle.
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objects with different amount of density and put them each in ten cups of water. I then put in teaspoons of water and recorded whether or not the objects floated until all the objects were floating. I was able to see how an objects density affects how much salt is needed to make it float. Page 2 Introduction/ Research When trying to make an object float it depends on its density. Density is the “mass per unit volume.”[7] An object floats if it has less density then water. Objects like a boat
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THE OSMOREGULATORY ABILITY IN PHASCOLOSOMA LURCA AND UCA COARCTATA Abstract Phascolosoma lurca (P. lurca) and Uca coarctata (U. coarctata) species and their organs were examined and studied to determine their osmoregulatory ability using the density of extracellular fluid (ECF) as a measure of ionic and osmotic concentration. Body fluids are denser than water which has a specific gravity of 1‚ plus solutes. Through the examination of the two organisms‚ P. lurca is an osmoconformer and U. coactarta
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retaining walls‚ earth dams‚ and airport‚ require man-placed soils‚ or fills. These soils are loose (weak) and must be compacted to increase their strength characteristics. • Soil compaction is defined as the method of mechanically increasing the density of soil by reducing volume of air. 2 General Principles • The densification is accomplished by pressing the soil particles together into a close state of contact with air being expelled from the soil mass in the process‚ thereby increasing
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Lab Jessica Cimaroli Lab 1 Purpose To learn about the International System of Units (SI) system and how it relates to measurements in mass‚ length‚ temperature‚ volume‚ and time. To learn about the common techniques and laboratory equipment used to make SI measurents. Procedure Length Measurements 1. Gather the metric ruler‚ CD or
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CHM130 Lab 6 Exploring Density Name: Paige Miller A. Data Tables Place your completed Data Tables here: Part IIIa (3 points) Volume of water in graduated cylinder (mL) 10.00 mL Mass of rubber stopper (g) 11.37 g Volume of water and rubber stopper (mL) 16.50 mL Part IIIb (6 points) Volume of water in graduated cylinder (mL) 20.00 mL Mass of iron nail (g) 3.45 g Volume of water and iron nail (mL) 20.50 mL Part IV (20 points) Type of Aluminum Foil Mass (g) Length (cm) Width (cm)
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