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[DOC File]Diffusion Lab - BrainMass
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Measure the diameter of the dye (the distance it has traveled) every 10 seconds for a total of 2 minutes. Record your measurements in the following tables (Tables 1, 2, and 3) and graph your results (distance traveled on the y axis, time on the x axis). Repeat this process using the red dye in …
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Lab 4: Diffusion and Osmosis. The cell membrane plays the dual roles of protecting the living cell by acting as a barrier to the outside world, yet at the same time it must allow the passage of food and waste products into and out of the cell for metabolism to proceed.
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[DOC File]Identification of an Unknown Metal
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The specific heat capacity of water is 4.184 J/g((C. In this lab you will be measuring the specific heat of an unknown metal by measuring the amount of heat it transfers to a known amount of water. To do this you will use a calorimeter – in this lab, that’s a Styrofoam cup. Safety Precautions: Goggles must be worn.
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[DOC File]TYPES OF CHEMICAL REACTIONS LAB
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TYPES OF CHEMICAL REACTIONS LAB PART #2. I. Purpose: To view the actual chemical reactions, write the correct balanced chemical equation, and type of chemical reaction. Connection to Business: Businesses utilize many types of chemical reactions to produce, maintain, and sterilize their product or to prevent pollution. II.
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[DOC File]Physical and Chemical Properties Lab
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(10% of grade based on professionality and neatness of report) Purpose: To describe the physical and chemical properties of matter based on the . changes they undergo. Question: How do you determine whether a change is chemical or physical? Hypothesis: (write a hypothesis before you begin) Procedure: 1. Remove the baking soda cups from your box. 2.
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[DOC File]Electrical Circuits Lab - Allison Avery's Science Class
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Electric Current and Circuits Lab. Objective: Understand the basic parts of a circuit and how an electric current moves through it. Materials: battery. battery clip. light bulb. wire. Procedure: Read the paragraphs covering “Electric Current”. Answer the questions 1-6. on your answer sheet.
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[DOC File]Part 1: What is it
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Add 40 mL oil and 10 mL water to the Water + Oil beaker. Add the three pieces of chamois cloth to the Water beaker. Allow the cloth to soak for one minute. Note any changes to the cloth texture. Record your observations in Table 2. Add the water-saturated pieces to the Water + Oil beaker. Allow it to soak for an additional three minutes.
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[DOCX File]Lab: Radioactive Skittles - Loudoun County Public Schools
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10. If only 25% of the carbon-14 remains, how old is the material containing the carbon-14? _____ 11. If a sample originally had 120 atoms of carbon-14, how many atoms will remain after 16,110 years? _____ ... Lab: Radioactive Skittles Last modified by: Daniel Buchanan
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[DOC File]Science Lab Report Example Using the Seed Germination ...
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3. Label each Zip Loc bag with the treatment type, name of person in lab group, and period number. 4. Place 10 of the green bean seeds on the paper towel so that they are equally spaced and above the fold of the paper towel. 5. Treat each seed with 1 mL of the acid solution (pH of 5). (Experimental group) 6.
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[DOC File]The Onion Cell Lab - CHSD
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draw a group of 10 neighboring cells. at 10x. In one cell, label all the parts you see. 8. Switch to high power at 40x. Can you see a whole cell? If you can, draw one cell and label it below. If no, go back to 10x and draw one cell and label it below. Questions: What is the function of the nucleus? Where is the nucleolus found and what does it ...
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Escience lab 10 answers