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Fluids/Density Float.and.Chain.Engineering.. Problem-Solving.Kit SE-8727 P .Counter.buoyant.force. with.a.chain.partially. resting.on.the.bottom.of. the.container P .Build.a.hydrometer,. thermometer,.barometer,. and.a.mass.balance P .Redesign.each. instrument.to.achieve. different.measurement. ranges Using a sensitive mass balance to weigh a leaf. Hydrometer Find the density of various fluids by putting the float and chain into the fluid, measuring the amount of chain which floats. Students can produce a calibration graph and determine the range and resolution that can be measured. Thermometer The expansion of the plastic float causes it to float at different heights, lifting more or less chain. Different floats and different chains are supplied to produce an engineering problem. Barometer A tube containing air is weighted by the chain and as the pressure changes, the amount of chain supported changes. Mass Balance The mass and volume of small objects can be measured by adjusting the chain so the float remains in the same place. This method gives a sensitive balance which would otherwise be quite expensive. The example shown in the photo is measuring the mass of a leaf. Density.Circulation.Model ME-6816 P .Model.density.driven.circulation based.on.temperature,.dissolved. substances.or.different.liquids P .Demonstrate.the.driving.forces of.vertical.ocean.currents P .Measure.temperature.inversions based.on.density.difference. The PASCO ME-6816 Density Circulation Model allows students to model, measure and understand the complex density driven circulation associated with heat transfer through convection. Students can recreate vertical ocean currents driven by water bodies with density differences. They can extend this learning by using sensors to collect data and create graphs showing the thermocline, halocline and pycnocline using PASCO Salinity Sensor PS-2195 (page 62). Data showing temperature versus depth. Rapid temperature change occurs in the region where the two water bodies mix. The chain rests on the bottom, giving a variable force. (fig. 4) With the valves closed (fig. 1) two bodies of liquid can be created that differ in temperature, dissolved materials or other properties. When the valves are opened a smooth flow of liquid occurs between the chambers (fig. 2 & fig. 3). Minimal mixing occurs and clearly defined layers of liquid based on density result (fig. 4). Includes Four cylinders, Floats, Air Tube and Balance Float with Pan Order Information: Float and Chain Engineering Problem-Solving Kit...................... SE-8727 Order Information: (fig. 1) (fig. 2) (fig. 3) Density Circulation Model............................................................................. ME-6816 Shown in use with: Stainless.Steel.Temperature.Probe......................................................... p..70 88 www.pasco.com/engineering
Density Density Sets Density.Set P .Different. materials P .Cylinders. (2.2.cm.dia..x. 6.4.cm.long) Includes Three cylinders: aluminum, brass, plastic; 2.2 cm dia. x 6.4 cm long (plastic is less dense than water), aluminum block, brass block and irregular shape aluminum. This set has different shapes and materials having the same volume to show students that the buoyant force depends only on the volume of displaced water. Overflow Can and Glassware sold below. Order Information: Density Set...............................................ME-8569 Discover.Density.Set P .Different.shapes.and.sizes P .Plastic Glassware Mystery.Density.Set. This set is made from two plastics that look identical, but have two different densities. Order Information: Discover Density Set........................SE-9719 Order Information: 100 ml Beaker (12 pack).................SE-7287 1000 ml Beaker (6 pack).................SE-7288 50 ml Graduated Cylinder (12 pack).....................................................SE-7289 Classroom.Density.Set. Includes 8 Cylindrical Pieces (density = 1.41 g/cm3) 7 Cylindrical Pieces (density = 1.15 g/cm3) Storage Stand Order Information: Mystery Density Set..........................SE-7316 Mole.Set Overflow.Can. This aluminum Overflow Can provides volume measurements by dispensing the displaced water into a separate container. Order Information: Overflow Can..........................................SE-8568 Includes each of the following materials in four different sizes Maple Acrylic (two colors) Phenolic Polypropylene Polyurethane PVC (three colors) Nylon Aluminum Teflon Order Information: Classroom Density Set....................SE-7226 www.pasco.com/engineering Each sample (Copper, Iron, Zinc and Aluminum) contains approximately one mole of the element. Order Information: Mole Set.....................................................SE-7586 Shown in use with: Stainless.Steel.Calipers..................SF-8711. 89
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Unique Solutions for Engineering Ed
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New Products - Table of Contents La
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Data Acquisition—ScienceWorkshop
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Data Acquisition—PASPORT ® 5 Ove
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4. Control a Relay Using Xplorer GL
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Structures System - Load Cells and
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Structures System - Bridge Set Brid
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Destructible.Bridge.Members ME-7004
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Structures System - Cast Beams Cast
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Structures System Combine the rigid
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Structures System - Replacement Spa
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Tensile Tester Material Strength Al
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Statics Demonstrations in Statics I
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Statics Support Reactions Force.Dis
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Mechanics Dynamics Systems P Collis
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Motorized Cart Motorized.Cart ME-97
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Projectile.Catcher.Accessory ME-681
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Ballistic Pendula Ballistic Pendulu
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Demonstration Spring Set ME-9866 Th
Page 39 and 40: Resonance Resonance Three examples
Page 41 and 42: Resonance Demonstrate resonance in
Page 43 and 44: Rotational.Inertia.Wands ME-9847 Th
Page 45 and 46: Gyroscopic Motion Demonstration Gyr
Page 47 and 48: Energy Design your own Roller Coast
Page 49 and 50: Energy Dissectible Fuel Cell SE-883
Page 51 and 52: Solar Energy Energy Transfer - Sola
Page 53 and 54: Energy Energy Transfer - Hydro Acce
Page 55 and 56: Human Body Mechanics Working Human
Page 57 and 58: Human Body Mechanics Measure accele
Page 59 and 60: EKG PS-2111 The EKG Sensor measures
Page 61 and 62: Biology Aquatic Productivity Bottle
Page 63 and 64: Aerial photograph in My World GIS s
Page 65 and 66: Environmental EcoZone.System ME-666
Page 67 and 68: Water Quality Colorimeter PS-2179 E
Page 69 and 70: Colorimeter PS-2121 Chemical Engine
Page 71 and 72: Absolute Zero Sphere TD-8595 P Cons
Page 73 and 74: Temperature.Array PS-2157 This arra
Page 75 and 76: Thermodynamics - Conduction/Calorim
Page 77 and 78: Thermodynamics - Equivalent of Heat
Page 79 and 80: Thermodynamics - Thermal Expansion
Page 81 and 82: Thermodynamics - Thermoelectric The
Page 83 and 84: Thermodynamics - Stirling Engines G
Page 85 and 86: Thermodynamics - Heat Engine SmallP
Page 87 and 88: Fluids Bernoulli Cart Accessory ME-
Page 89: Understanding Pressure Kit SE-7329
Page 93 and 94: Electromagnetism Magnetic Levitatio
Page 95 and 96: 1.5 meter tube AC/DC Motor (Accesso
Page 97 and 98: Field Mappers 3-D Magnetic Field De
Page 99 and 100: Electricity What does resistance de
Page 101 and 102: Programmable DC Power Supply PI-987
Page 103 and 104: AC/DCCircuitBoard EM-8656 P Springs
Page 105 and 106: Ground Glass Lenses (set of 6) SE-9
Page 107 and 108: Optics Scan Diffraction Patterns P
Page 109 and 110: Mechanical Supplies MeterStick(6pac
Page 111 and 112: Lab Supplies Large Rod Base ME-8735
Page 113 and 114: Linear Motion Accessory ...........
Page 115 and 116: PASCO Support Making decisions on w
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