Data Table 2: Temperature measurements. Water Temperature (°C) Temperature (°F) Temperature (K) Hot from tap 42c 107.6f 315 k Boiling 99 c 210.0 f 372 k Boiling for 5 minutes 100 c 212 f 373 k Cold from tap 18 c 64.4 f 291 k Ice water – 1 minute 10 c 50 f 283 k Ice water – 5 minutes 5 c 41 f 278 k Data Table 3: Mass measurements Object Estimated Mass (g) Actual Mass (g) Actual mass (kg) Pen or pencil 5g 5.1 g .0051 kg 3 Pennies 9g 8.1 g .0081 kg 1 Quarter 5g 5.6 g .0056 kg 2 Quarters‚
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Predictions Effect of Muscle Fiber Length on Contraction 1. As muscle fiber length increases contraction force increases. Effect of Stimulation Frequency on Contraction 2. As the frequency of stimulation increases‚ the force of contraction: increases. Materials and Methods Measurement of Threshold Stimulus 1. Dependent Variable contraction force 2. Independent Variable stimulation voltage 3. Controlled Variables muscle fiber length; frequency of stimulation; temperature Effect of Muscle Length on Contraction
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Lab 2 – Water Quality and Contamination Experiment 1: Effects of Groundwater Contamination Table 1: Water Observations (Smell‚ Color‚ Etc.) Beaker Observations 1 The water is clear with no distinct smell. 2 The vegetable oil does not mix with the water. Oil on top‚ separated from the water. Oil has a slight yellow look to it. No odor. 3 Vinegar mixes with the water and retains clarity. Has a slight smell of vinegar to it. 4 Laundry detergent changes the water’s clarity to a blue-green color. It has
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Biology 210 Lab Questions: Phylum Annelida You will learn the answers to most of these questions in class and in lab. Great resource: http://www.bumblebee.org/invertebrates/ANNELIDA.htm 1. What does the word annelida mean? 2. Recall‚ some of the nematode worms appeared superficially to have external rings. Describe true segmentation in annelids. How is the true segmentation in annelids differ from having rings around the ectoderm as in nematodes? 3. What two layers of muscles exist in
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EMR: Line Spectra Lab Worksheet Part One (Flame Test): 1 Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame. 1 SolutionNameColor Description Known 1BariumLight GreenKnown 2CalciumRedKnown 3SodiumBright YellowKnown 4 RubidiumPurpleKnown 5PotassiumBlueKnown 6LithiumHot/Bubblegum PinkUnknown 1SodiumBright YellowUnknown 2PotassiumBlue 2 Identify each unknown from Part One of the lab and briefly explain
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1. Lab 8: Input Validation This lab accompanies Chapter 7 of Starting Out with Programming Logic & Design. Name: Devin Hill‚ Matt March‚ and John Meno Lab 8.1 – Input Validation The goal of this lab is to identify potential errors with algorithms and programs. Step 1: Imagine a program that calls for the user to enter a password of at least 8 alphanumeric characters. Identify at least two potential input errors. -Password contains a symbol -Password has less than 8 charecters Step 2: Imagine
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Exercise 3: Neurophysiology of Nerve Impulses: Activity 8: Chemical Synaptic Transmission and Neurotransmitter Release Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. 1. The end of the axon where it contacts a target is called the You correctly answered: c. axon terminal. 2. Neurotransmitter is released into the synaptic gap by You correctly answered: a. exocytosis. 3. Exocytosis of neurotransmitter from the axon terminal is triggered by an increase
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1. People must satisfy their basic lower level needs before progressing to higher level needs. a. True b. False 2. Unlike personal communication‚ communication exchanges in organizations focus on tasks. a. True b. False 3. All of the following statements about human needs and motivation are true except: a. management has been impacted by the influence of behavioral scientists in sociology and psychology. b. communication between and among people is complex. c. all companies
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Week 2 Lab #2 Assessment Questions 1. Privacy is where a person has control their own personal data Privacy is the individual’s right to control‚ the person has the opportunity to assess a situation and determine how’s it’s used. Just because information is secure it doesn’t mean it is secure. 2. In 2002 he received permission to obtain a laptop and hard drive not to acquire the data. 3. Possible consequences might be that personal information being used against the people in the VA system
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Lab Report 6: Respiratory Physiology Purpose: To describe the effects of carbon dioxide concentration on blood pH. Hypothesis: If the blood CO2 levels increase‚ the pH will decrease. Materials and Procedures: Materials: Willing subject (someone complete the activities of the experiment) Timer (with a second hand) Glass Urinary and Salivary pH (litmus) paper Drinking straw Procedures: 1. Measure 2 ounces of water in a glass. Obtain the pH of the
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