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Paper plunge experiment

Simple cup paper and water science experiment - YouTub

Great science project for science fair keep paper dry in water!Visit us at: http://www.incrediblescience.comSubscribe!: http://www.youtube.com/subscription_c.. Experiments by Category : Here is a list of our experiments - all safe, educational and easy for you and your kids to do at home. Paper Plunge * Lift a Friend. 6. Move the plunger to the next volume in the data table, click keep and en-ter the volume when prompted by the computer. Be very careful with the volume measurement. It is crucial to the success of this experiment. 7. Repeat the above process for all the given volumes. You will have eleven data points. Click stop to end the data-taking session. 8

6. Plunger Experiment. This simple experiment only requires two clean, old-fashioned rubber-and-wood-stick plungers. To conduct the experiment: Stick the two plungers together. You might need to get the rims wet first. Try separating them. Completing the separation is much harder than most kids imagine Abstract: In this paper, plunge grinding experiment was conducted on 20CrMnTi with monolayer brazed cubic boron nitride (CBN) wheel. Surface integrity was evaluated through morphology observing and roughness testing. It is found that surface roughness Ra is lower than 0.8μm Top Ten Air Pressure Experiments to Mystify Your Kids by Aurora Lipper, Supercharged Science There's air surrounding us everywhere, all at the same pressure of 14.7 psi (pounds per square inch). It's the same force you feel on your skin whether you're on the floor, under the bed or in the shower. An interesting thing happens when yo What Material Conducts Heat Best Science ExperimentIn this Video we show you the steps to conduct this cool science experiment where you find out what materi..

Complete list of all our experiments and projects for kids

  1. The kit includes a beaker, brass electrodes, burning pan, calcium hydroxide, eye dropper, filter paper, funnel, galvanometer parts, magnifying glass, mirror, motor, pH paper, plunger, propeller, pulley, 154-page manual detailing experiments, and much more! Product information Technical Details. Manufacturer ‎Edu Scienc
  2. Plunge Seen in pod form in Stitch! The Movie. Pod says 82 instead of 082. Stitch! The Movie: 083 Grimple N/A Leroy & Stitch: 084 Subwoof N/A Leroy & Stitch: 085 Screwup N/A Leroy & Stitch: 086 Clink: A big, green, mouthless, crab-like experiment with four legs, two large claws and a window on its chest
  3. Clear plastic 9 oz cups. Blow dryer. Also you will need some toothpicks and small {1 oz} plastic cups. This are the materials and equipment we used for this experiment .the objective of the experiment is to use the technique of paper chromatography to show that it can be used to separate from each other in a mixture
  4. Fill a 2-liter soda bottle half full of water. Take a long straw and insert it in the mouth. Wrap a lump of clay around the straw to form a seal. Blow hard into the straw—then stand back. Your blowing increases the air pressure inside the sealed bottle. This higher pressure pushes on the water and forces it up and out the straw
  5. Abstract: The purpose of this experiment was to learn about the behavior of meal worms. Behavior is defined as the way an organism reacts to external stimuli. Thus, in this experiment we were not looking at the internal mechanisms of the mealworm, but rather simply how it reacted to certain stimuli. The two stimuli we teste
  6. The Vampire Problem: A Brilliant Thought Experiment Illustrating the Paradox of Transformative Experience Many of [life's] big decisions involve choices to have experiences that teach us things we cannot know about from any other source but the experience itself. I have decided to plunge into my vast archive every Wednesday and.

The remainder of this paper is organized as follows. The configuration of the gannet body and folding pattern of the wings during dropping are studied, then the design of a bionic gannet named Bionic-Gannet I is described in section 2. In section 3, the experiment setup and the plunge-diving experiments are presented April is known for it's rain showers. What better time to try some simple science experiments with water! Today, I'm sharing with you 5 simple experiments that need only a few items and take just a few seconds to set up, yet are fun and explore different properties of water Plunge (2008) batik wax and concrete oxide on hoshu paper Plunge trace (2008) concrete oxide on paper Wax, paper and dye I gathered metal objects from my kitchen; spatulas, carving forks, strainers ana broken coffee plunger, and began to experiment with using them as stamps

Switch the pump selector to position 2 2. Open/close the valves according to Section 5.1 3. Set the pump control of Pump 2 to minimum 4. Test the pump characteristics under the condition; V5 fully opened, varied pump speed. 5. Record the data Experiment 3 1. Switch the pump selector to position 3 2 Twenty-four experiments were conducted with angles ranging from 0°(sprinkler yoke arms parallel to the flow) to 45°and 90°(sprinkler yoke arms perpendicular to the air flow). Since the compartment fire experiments used 0°and 90°sprinkler orientations, this paper discusses the plunge experiment results from the same orientations

Rotate plunger into place at the top but do not press. At 2:00, press slowly for 30 seconds. Stop if you hear a hiss. Add 75g hot water to the brew. Go ahead, experiment more with your AeroPress recipes. Put the coffee first. Play with grind size, brew time, and the plunge Coloured tissue paper; A towel or paper towels; PROCEDURE. Fill the bowl or container with water. Scrunch up the tissue paper, and insert it in the drinking glass. Turn the glass upside down, and quickly plunge it into the aquarium, pushing it all the way to the bottom. Hold it in place as long as desired. Remove the drinking glass. Examine the.

Experiment: A Case Study Of Hooke's Law. One of the many purposes of this experiment is to study the elastic properties of the spring. Second is to determine the force constant of the spring. Third is to investigate the relationship between the deforming force and amount the spring stretches and lastly is to determine the total work done on the. A little paper tiger stood on the table, the size of two fists placed together. The skin of the tiger was the pattern on the wrapping paper, white background with red candy canes and green Christmas trees. I reached out to Mom's creation. Its tail twitched, and it pounced playfully at my finger Working with paper negatives - Part one: A story of thrift and Magic. Film photography, or analog photography - to use a term that better encompasses other media and processes - really is a fascinating world. To those relatively new to the world outside what is considered traditional film photography (such as myself), hearing people talk. Published on June 10, 2021. Written by wnd.com. A citywide initiative in Mexico City to prescribe ivermectin to COVID-19 patients resulted in a plunge in hospitalizations and deaths, two studies found. Hospitalizations were down by as much as 76%, according to research by the Mexican Digital Agency for Public Innovation, Mexico's Ministry of.

The cast of the television series MythBusters perform experiments to verify or debunk urban legends, old wives' tales, and the like.This is a list of the various myths tested on the show as well as the results of the experiments (the myth is Busted, Plausible, or Confirme experiment, plunger extrusion pushes the polymer through a die using the pressure produced by the apparatus and is considered to produce less waste material than the more common extrusion process, twin-screw extrusion.10 2.5 X-Ray Diffraction X-ray diffraction (XRD) is a crucial analytica A theoretical study of small amplitude waves generated by a sinusoidally oscillating wedge-shape plunger in a finite depth wave tank is presented in this paper by using a semi-analytical method, the boundary collocation method. The ratios between wave amplitude and wavemaker stroke are established quency of the experiment. Note that in the pitch plunge case, for a certain wing, the reduced frequency is solely dependent on the amplitude of the motion. k= ˇc 4 1 h 0 (5) Similarly the Reynolds number can be written as Re= 4c w fh 0 (6) In these sets of kinematics, the Reynolds number is kept constant at the value of the hawkmoth, i.e. 4:8. c. Pull back the plunger to fill the barrel about 1/3full of acetone. Examine the barrel of the syringe and estimate the amount of acetone in the barrel. Be careful not to hit the point of the syringe against the bottom of the vial, as it can be easily damaged in that way. d. Expel the liquid onto a Kimwipe or a paper towel. e

the carbon paper, which should be taped on top of a blank piece of white paper. Each time you change the experiment you must use a new piece of white paper, but the carbon paper may be reused many times. Figure 3. launch, and the details of how the ball is launched when struck by the plunger of the cart launcher, this measurement of the. Experiment 2- Testing Antibiotics, A ntiseptics and Disinfectants : Kirby-Bauer Technique Paper disks impregnated with different antibacterial medicines are placed on the surface of a Mueller-Hinton open plate, press the plunger to dispense the antibiotic disks. b. If you have disk cartridges, dispense antibiotic disk evenly spaced and.

The experiment will be carried out using air trapped inside a sealed syringe within a pressure Graph paper, 2 sheets Barometer (optional) Petroleum jelly, small bead Tire gauge (optional) Remove the tip cap from the syringe and pull on the plunger to draw about 9 mL of air into the syringe. Replace the tip cap to seal the air inside. 1. Place a towel on a flat surface in case your bowl overflows. 2. Stuff tissue paper into the bottom of your glasses. 3. Turn your glass over and plunge it into the water (upside down). Make sure to keep the glass straight. 4. Lift the glass out of the water Activity: Paper Plunge Today in our Bible Lesson, we learned that God created the sky to separate the water from below and above. The sky is air. Can air hold up water? Well, we are going to do a little experiment to see if it can. Fill a bowl with water. Scrunch or crumple up a piece of paper

Fold the paper towel so it will fit neatly inside the plastic bag. Using a black permanent marker, draw a 10 frame on the bag. Fill the spray bottle with water and let children mist the paper towel until it is completely moist. Place the wet paper towel in the bag. Have the children place one been seed in each compartment in the 10 frame SpongeBob SquarePants Rock Bottom Plunge p. 64-70 Teenage Mutant Ninja Turtles Shell Shock p. 71-78 Ride Comparisons p. 79 Back on the Bus to School p. 80 overload any one paper clip. Repeat the experiments at different speeds and have students record the changes they observe Here is a great experiment on crushing sugar in the dark to cause flashes of luminous blue light. Be sure to read the directions carefully. Make a rubber egg. This easy experiment takes a few days. Place a raw egg (in it's shell) in a jar and cover with white vinegar. Leave for 2 or 3 days. Your egg will turn rubbery

Any science experiment that involves glitter is sure to be a hit. Even better, you'll learn about centripetal force and bizarre weather when you create a tornado in a bottle (technically, a couple of two-liter soda bottles filled with water and glitter). You can manage this one with a metal washer and duct tape, but you'll be more consistently successful and less messy if you order a. The paper can reduce a room's temperature by up to 10 degrees Fahrenheit, making it a radical but effective alternative to today's air conditioners, which consume a lot of power Whatman no. 1 (55 mm) and no. 40 filter paper (plunge-freezing) Reagent setup Sample solution Refer to Step 10 for details on preparing the sample solution for cryo-EM Department of Civil Engineering Supreme Knowledge Foundation Group of Institutions, Mankundu Signature fCE691: Highway Engineering Lab Experiment No: Length gauge A balance of accuracy 0.01 gm PROCEDURE: a) The sample is sieved with the sieves mentioned in the table

How To Teach Kids About Air Pressure Air Pressure

C. Using the color felt tip pens, apply generous spots of ink on the baseline on each strip of chromatography paper, one strip of paper for each brand.There are three colors of ink for each brand, so you are applying three spots of ink on each piece of chromatography paper. D. With a pencil, label each dot with the identity of the pen from which the ink came 2. LEARNING OUTCOMES At the end of the lab session students should be able to calibrate a pressure gauge using pressure measurement apparatus. 3. INTRODUCTION The standard units of pressure are the Pascal (Pa) and Newtons per square metre (N/m2),but some sources use the non-standard unit of a bar. 1 Pa= 1 N/m2 = 1 Kg/ (m.s2) = 10-5 bar or 0.01.

Specific Grinding Energy Scientific

  1. o Acid by Paper Chromatography Method Apparatus. Chromatography Tank Filter Paper Paper clips String Tape Materials. Ninhydrin Butanol/Glacial acetic/water (12/3/5) solvent Various A
  2. Experiment setup. The Dalian machine tool vertical machining center VDL-1000E was employed in this experiment. The Seco plunge milling tool (R217.79-1020.RE-09-2AN) with a radius of 10 mm was used in this experiment. The workpiece material is 0Cr13Ni4Mo. After heat treatment, the hardness of workpiece is 293HBW
  3. Science Experiments with Water An Explanation of 31 Water Experiments . Home >> Homeschool Ideas >> Water Experiments >> Explanation . Science Experiments with Water - a parents guide. This page was written to help explain the science principles behind the 31 Water Experiments article.I have also included some additional science experiments with water to help with your homeschool science
  4. In this paper, the four factors orthogonal experiment method was applied to optimize those four parameters. T12 high-carbon steel wire and SCDP-3 spray gun were used in the experiment. SKODA-Savin plunge wear test machine and the HB3000 Brinell hardness tester were used to measure the wear resistance and hardness of the coating
  5. The result is the pressure of the air pushing from the outside of the can is great enough to crush it. The sudden collapsing of an object toward its center is called an implosion. Nature wants things to be in a state of equilibrium or balance. To make the internal pressure of the can balance with the external pressure on the can, the can implodes
  6. This paper presents modeling and experiments of aeroelastic energy harvesting using piezoelectric transduction with a focus on exploiting combined nonlinearities. An airfoil with plunge and pitch degrees of freedom (DOF) is investigated. Piezoelectric coupling is introduced to the plunge DOF while nonlinearities are introduced through the pitch.
  7. J249/03 Paper 3, P1 - P4 and P9 (Higher Tier) Wednesday 23 May 2018 - Afternoon 3 A fluid is compressed by pushing the plunger into the body of a sealed syringe. Plunger Body Fluid Nozzle 17 A student sets up an experiment to investigate the magnetic field around a current-carrying wire. Current-carrying wire Clamp stan

Chemistry for non-specialists. Teach with flair and enthusiasm with the help of this collection of experiments and demonstrations specially designed for non-specialists. If you'd like to buy a copy of the book these resources are drawn from, visit our online bookshop. If you're a Royal Society of Chemistry member, don't forget to use your. Underwater paper experiment. July 04, 2017. Learn about air compression with this simple introductory kids' science experiment. It's easy, fast and the only requirements for this experiment are common household items. Tip the glass upside down and plunge it vertically into the water. The water will not reach the paper - why? Because the. The next is a list of actions that students can involve in the preparation and writing of physics research paper based on an experiment: To work out the literature on the research problem. To write a technical section of research paper following the outline agreed with the supervisor For this paper you must have: • a ruler with millimetre measurements • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the bottom of this page. • Answer all questions. Information • The marks for questions are shown in brackets. • The maximum mark for this paper is 91. A-level BIOLOG

What Material Conducts Heat Best Science Experiment - YouTub

3. Set the angle for 20°. Place the ball in the piston and depress the plunger one click to the short range setting. 4. Launch the ball and note the landing location. Place a blank sheet of paper at this location and tape it in position as shown in Figure 8. Cover with a sheet of carbon paper. You do NOT need to tape the carbon paper. 5 The Pitch and Plunge Fixture (PPF) developed was constructed by simplifying flapping wings as a two degree of freedom motion in plunge (translation) and pitch (rotation). Results obtained from the PPF were compared with a numerical simulation. KEYWORDS: CORRUGATED AIRFOIL, DRAGONFLY, LOW REYNOLDS NUMBER, MICRO AIR VEHILES (MAV's), PITH AND PLUNGE Finding the right enzyme experiment can be problematic, depending what one is trying to show, what supplies and equipment are available, and the time one can devote to the topic. I've developed simple and inexpensive labs for looking at catalase and invertase activity using yeast encapsulated in sodium alginate. Single-celled yeast, Saccharomyces cerevisiae, are encapsulated in sodium. In this project you will make solenoids and use them as door chime and electric launcher (electric catapult). Problem and Purpose: Make an solenoid (electromagnet with moving plunger) and use it as a door chime and a launcher. Materials: 2 (or 5 cm) long plastic tube from a straw or a pen. A wooden straw may be used as well Plunge-diving is a very unique foraging method in the animal kingdom. A limited set of water birds exhibit this behavior, and only one family of seabirds (Sulidae) exhibit this behavior at high speeds. We studied the stability of the bird's slender and seemingly fragile neck during a plunge-dive by conducting simple experiments that mimic this behavior

0.5 - 0.8. Concrete (Dry) Rubber. 0.6 - 0.85. Concrete (Wet) Rubber. 0.45 - 0.75. Although, reliable sources (mentioned at the reference section) has been used for compiling the above COF table but still the values shown are approximate only. The friction coefficient value changes not only with material but also with the position and. Stephen Mihm article, in review of year's notable ideas, on experiments at University of Pittsburgh in which doctors managed to plunge several dogs into state of total, clinical death before. The idea for S1C has been brewing in Miguel's mind for a number of years before finally deciding to take the plunge. I come from a DIY culture in my family and community and that's always inspired me, and it's probably been the real driving force in my success, Miguel tells PAPER on the phone from LA. Any success I've experienced has always just been like, Hey, if it doesn't exist, just. Plunge each leach into boiling water, in order to kill the leaf, and then place it in a warm ethanol which gradually dissolves out the chlorophyll. After all the chlorophyll has been extracted; the leaf appears a dirty cream color (off white color). Carefully take the leave out and place it on a white sheet of paper or in a Petri dish As recently as 15 years ago, before the internet completed its digital disaggregation of the newspaper business, I was a four-paper-a-day man. This period was the high-water mark of a lifetime.

Factory Sealed-Box Has Shelf Wear Deluxe 450+ Experiments in Physics & Energy Scientist Kit Perfect for the budding young scientist, this Junior Scientist Kit lets you perform over 450 experiments in physics and energy. funnel, galvanometer parts, magnifying glass, mirror, motor, pH paper, plunger, propeller, pulley, 154-page manual. Since 2009, coders have created thousands of amazing experiments using Chrome, Android, AI, WebVR, AR and more. We're showcasing projects here, along with helpful tools and resources, to inspire others to create new experiments The validity bounds of analytical force and moment predictions for pitch- and plunge oscillating low Reynolds number airfoils, AIAA Paper 2010-8126, AIAA Atmospheric Flight Mechanics Conference, Toronto, Canada, 2-5 August 2010 www.efpia.eu 1 EFPIA Reflection Paper on Integral Drug-Device Combination Product Platform Approach Date: 16/04/2021 Version: Final Executive Summary This paper describes how Quality by Design1 (QbD) principles combined with use of prior knowledge and a Design of Experiments2 (DoE) approach may be employed to create a design space of device and drug variables that constitutes an integral drug. Struggling with your academic writing? Try these experiments to get the words flowing. By Jay J. Van Bavel , June Gruber Jun. 24, 2019 , 12:40 PM. If a study is conducted and no one is able to.

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A Green Pass allows us, the vaccinated, to go to concerts, restaurants and sporting events. But Israel's real-time experiment in post-lockdown living leaves many questions unanswered It is recommended to use a sharp needle such as a Jeans, Topstitch or Microtex needle to achieve a nice hole through the paper. 2. Selecting the Right Paper. Experiment with different paper weights. Cardstock, construction paper and handmade papers are a great place to start for stitches Go camping in the winter, and the impact may be even more potent, the two-study paper—published today in Current Biology—found. These studies suggest that our internal clock responds strongly and quite rapidly to the natural light-dark cycle, said lead author and CU Boulder integrative physiology professor Kenneth Wright, who believes his findings could help light-based approaches. Mathematically, this can be expressed as F=kx, where F is the deforming force, x is the size of the deformation, and k is the spring constant. In this experiment, the spring constant of the plunger can be determined by applying force on the spring and recording the displacement of the spring plunger

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In 1984, as county commissioners considered whether or not to take the plunge and privatize the county lockup, Hammond was a chief deputy for then-Sheriff H.Q Evatt who reviewed the contract. There are too many questions about it. I don't want us to be the guinea pig, Hammond told the Chattanooga Times in September 1984 Pull the plunger back again, and move the balloon into the middle of the syringe. Then close the front opening (the tip) of the syringe with one finger, and push the plunger into the syringe agai A white Shih Tzu-like experiment with a purple bow. Designed to annoy people with her constant barking. She behaves like a typical good dog: does tricks, licks her owner's face, fetches the morning paper, etc. Because of her appearance and behavior, 007 was adopted by Mertle and wasn't recognized as an experiment until Jumba saw her Experiment 2- Testing Antibiotics, A ntiseptics and Disinfectants : Kirby-Bauer Technique Paper disks impregnated with different antibacterial medicines are placed on the surface of a Mueller-Hinton open plate, press the plunger to dispense the antibiotic disks. b. If you have disk cartridges, dispense antibiotic disk evenly spaced and. optimized process parameters were plunge depth at 0.12 mm, welding speed at 98 mm/min, rotational speed at 1100 rev/min and shoulder diameter at 24 mm. PankajNeoget al. [3] were conducted welding on 6.35 mm thick plate of AA7075-T6 alloy using friction stir welding technique. He used square butt joint in the experiments as i

Science Project Using Paper Chromatography - 613 Words

Plunge the syringe forward and watch what happens to the marshmallow. Questions: What caused the pieces of paper to move? Which experiment could be performed using a smooth walled tube? Rationale: This is an application of Bernoulli's principle. As the free end of the tube passes through the air, the air pressure within the tube is reduced over the end, and pulling the plunger back to the 45 cc mark for thirty seconds. Once bubbles were seen releasing from the edges of the disks, the plunger was released. The vacuuming process was repeated about four times until all of the disks sunk to the bottom of the syringe when the syringe was held upright. The distilled water solution was then squirted out of the syringe and back into the. Simple Science Experiment: Drip Drop Bottle. by Steve Davala. It is how wings cause flight, how spray paint cans works, how a plunger works, and much more! If there is a vacuum (a place with no air or less air than normal) then air will rush in to fill that void. So where does that happen in the Drip Drop Bottle

(PDF) A Versatile and Affordable Plunge FreezingJellyfish in a Bottle by KiwiCo | Get STEAM & STEM Projects

5 Ways to Demonstrate Air Pressure to Children - ASM

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Mealworm Behavior Lab Christos' Million Dollar Biology Idea

Idaho National Laboratory ran the Aurora Generator Test in 2007 to demonstrate how a cyberattack could destroy physical components of the electric grid. The experiment used a computer program to rapidly open and close a diesel generator's circuit breakers out of phase from the rest of the grid and cause it to explode. This vulnerability is referred to as the Aurora Vulnerability Ancient Earth was a water world. By Paul Voosen Mar. 9, 2021 , 9:00 AM. Across the ages, sea levels have risen and fallen with temperatures—but Earth's total surface water was always assumed.

The Vampire Problem: A Brilliant Thought Experiment

Design and Experiment of a Bionic Gannet for Plunge-Diving

OMG) of Nippon Paper Industries. CV-jet device The CV-jet device used in this study was based on the apparatus for washing metal surfaces and peening metal alloy [19,20]. Figure 1 shows the schematic diagram of the device. The pulp slurry in the reservoir tank was pressurized with a plunger pump up to around 13 MPa, and jetted in a reacting vessel What it is: The paper is an online-only, by-subscription news source, which began operations in September of 2018 after initially raising some $6.7 million in startup funds from local donors. Experiment #2 - Diving Paper - Air takes up space. Experiment #3 - Huff N' Puff - Air takes up space. Experiment #4 - A-Weigh We Go lift is acting to the right.) Experiment #7 - Taking the Plunge and Pull Back - Air is a fluid and is capable of being compressed - Air takes up space - Air exerts pressure. Experiment #9 - Crushing Air - Air. Refill friction stir spot welding (RFSSW) is a new spot welding technology, by which spot joint without keyhole can be obtained. In this work, RFSSW was used to join 2-mm-thick 2198-T8 aluminum alloy sheets and effects of the sleeve plunge depth on microstructure and lap shear properties of the joints were mainly discussed. Results showed that when using small plunge depths of 2.4 and 2.6 mm.

Engraving workshop - Take your first steps in printmakingLawrence Wong's not afraid to experiment with styleIN/OUT | Living a beautiful lifeComparisons of force prediction and experiment result forGogglebox's Isabelle Silbery quarantined with new manMarilyn SMITH | Director Vertical Lift Research Center of

Plunge your AeroPress, and enjoy. Once you're ready to tackle the inverted method, you may want to start with the recipe used by Filip Kucharczyk, who won the WAC in 2016 using it. His original recipe is as follows: Grind 35g of your preferred coffee, coarse. Rinse paper filter. Heat water to 84°C. Set up the inverted plunger and chamber Prepare the flower for pressing by placing it between two sheets of absorbent paper. Flatten the flower with a heavy book first, then place the paper and flowers on a small tabletop ironing board ($10, Target) then press the warm iron on top of the upper sheet of paper for 10 to 15 seconds.You don't need to make a gliding motion like you do when you're ironing clothes If you were using good paper towels, they can be pretty thick. We had too much toilet paper flushed down the toilet once, when a certain four-year-old did a little scientific experiment to see how much she could flush down at one time. We had to call a plumber. Hope you work it out! Jul 8, 2007. #5 Paper chromatography is a useful technique for separating and identifying pigments and other molecules from cell extracts that contain a complex mixture of molecules. The solvent in this experiment is flammable and poisonous. Be sure there are no open flames in the lab during this experiment. Move the plunger to get rid of air from the.