lab kinetic energy assignment lab report edgenuity answer key

The final condition tested was explosions. What is its volume at s.t.p.? Understand the role of the mass in a conservation of energy situation. = Examining the teeth of an animal can give '%30r85. If you want the answer key, you can dm me or you can comment so it'll get more people to see it. What buret reading should you record when the liquid level is as shown in Figure 2? If you added the amount of KE and heat energy together, you would get the original value for GPE because energy is conserved. <>>> Lesson: Types of Chemical Reactions, Project: Thermal Energy and Chemical Reactions Students apply knowledge of technological design, as well as techniques of project-based learning in order to investigate the relationship between chemical processes and the release of thermal energy. 2 0 obj Aqueous solutions are solutions that water is solvent. Dm is preferable! 2. c. Coil the wire around a pencil or other object, or fold the wire tightly to create a more 2. . (c) The balls will move to the right because v1>v2v_1>v_2v1>v2 before the collision. You are never to simply list answers to considerations. Try to let The purpose of the experiment was to find the effect of a balls drop height on its return bounce height. Place the pH probe in the beaker and record the pH in the data table. You're probably considering the lights in your home or maybe the fuel you need to run a race. d. Remove the aluminum wire sample and empty the calorimeter. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. When collisions occur, two properties of the colliding bodies are changed or transferred: their Energy and Momentum. SAMPLE LAB REPORT SCI141: Biology Sections Introduction All cells are bound by a functional cell membrane. You may continue with Part II until it is time to check We'll use a ball to measure potential energy and kinetic energy and examine how the energy is converted from one form to another as the ball falls from a high place. copyright 2003-2023 Study.com. You always get 8 slices, but some of those slices might be cheese, while others might be pepperoni. and tare for zero. Relationship between initial and final velocities in an elastic collision . At the maximum height h, the object's GPE will be a _______. It is hypothesized that momentum will be conserved in all conditions tested in the experiment. The values of the velocities were shown on the Logger Proprogram. Fill close to the 0 mL line but not higher, or you will not be able to measure volume accurately. For observation 1 and 2, pour 1 cup of water into a pan and place on stove on high heat. These results are shown in the table below. The standard cart was pushed towards the plunger cart, which was at rest. I recommend using this template. H. Assemble a coffee cup calorimeter. Hypothesis- Answer the following question: Will an object reach the ground with more velocity than an . upright near the end of the lever, maybe taped against a wall. The carts were placed on the track so that the Velcro side of each cart was facing the other. After the lab this data was analyzed using the momentum equations above to give the following values. Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of The standard cart moved to a velocity of zero and was still. 100 g (least massive) If you have been keeping score of your answers, you can always dm me the link and I'll add it to the Google Drive Edgenuity Files. They have opposite properties and have the ability to cancel or neutralize each other. energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. If you want to start doing an Answer Key too! When the standard cart reached the plunger cart they collided, but did not stick together, and the plunger cart moved down the track. Velocity is how, The purpose of the experiment was to use previous knowledge of velocity yo perform kinetic energy calculations, make calculations of gravitational potential energy, and to determine what affects GPE and KE more. Also make a hypothesis about which type of material will heat up the fastest. Wet sand 200 20 37 16. If needed, place the An object moving with a speed of 67 m/s and has a kinetic energy of 500 J, what is the mass of the object. hd We'll study two main types of energy today. Additionally it showed that kinetic energy is only conserved in elastic collisions. first example, heat energy is transferred from the stove to the pot of water, and the water absorbs the heat energy and will eventually begin to boil. A rod was used to push down the button on top of the plunger cart. Seminar assignments - Problem set 1 - 13 including answers; College communication worksheet Baker,L; PHYS221 Lab Report Template 4 - Coefficient of Friction; PHYS207 Lab Report Template 2 - Vectors; PHYS207 Lab Report Template 8 - Harmonic Oscillation and the Physical Pendulum; PHYS207 Lab Report Template 1 - One Dimensional Kinematics Conservation of Energy- lab handout. Kinetic factor refers to DGa, activation energy; while the thermodynamic factor refers to DG =G 2-G 1, the driving force. The values of the momentum ratio are very close to one which indicates that the momentum is conserved in the experiment. These resources will help you complete the assignment. KE = KE = 2500 J 6. (d) We cannot predict how the balls will move after the collision. The purpose of this experiment is to see how height affects distance and to see how adding additional height affects the distance that the ball travels. There are multiple possible sources of error in this experiment. Write the goal of the lab or the question you tried to answer. Measure the mass of your ball on the balance. Introduce the eight PH indicator strips in the eight . Create your account. and our Once you have created your file(s) and are, An aircraft weighing 18785 N returns to the aircraft carrier and lands. program. You'll be measuring the GPE of a ball 4 meters off of the ground and comparing it to the measured KE right before it hits the ground. This button released the plunger, and propelled both carts down the track in opposite directions. The analysis of these values showed that momentum is conserved in all collisions. A 50 kg ball traveling at 20 m/s would have kinetic energy. In inelastic collisions the objects stick together after they collide. One thing that, The purpose of the experiment was used to determine which team created a design that ultimately proved to launch the marshmallow the farthest. f. Allow the metal samples to reach thermal equilibrium with the boiling water over the What are the units for kinetic energy? introduction this section should provide Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, Think of total energy like a pizza. This could have caused the velocities to be slower than they should have been because there was a velocity due to the friction. sample. At the maximum height h, the object's _____ will be a maximum. The nonconservative work is the _________________________, Conservation of change in kinetic energy formula, Lab 9: Centripetal Force & Rotational Dynamics, Mathematical Methods in the Physical Sciences. J. Reassemble the calorimeter and position the thermometer. A 50 kg ball traveling at 5 m/s would have kinetic energy. in Table B. Record all data in Table A, and calculate the % in Table A. and the calorimeter water. K. Transfer metal samples to the calorimeter and measure the temperature change. It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. e. Remove the steel wire sample and empty the calorimeter. Repeat steps 5 and 6 for KNO3. This will serve as a backstop for launching the duck. Objectives (3): - Explore the relationship between kinetic and gravitational energies - Analyze the importance of kinetic energy in falling objects. Also! In the presence of _____________ forces (like friction), the total mechanical energy is not conserved. stream The Logger. Physics Lab - Work & Kinetic Energy (uses Science Workshop TM Interface) Purpose: The purpose of this lab is to compare the work done on an object with the object's change in kinetic energy. Additionally, the lab taught how to complete momentum calculations, and the law of conservation of momentum. This lab taught how to do calculations for multiple situations that involve momentum. Make sure you record the mass in kilograms in your notebook. As usual, you should refer to, 1. Allow the temperature to stabilize, and record this initial temperature to the nearest 0.1C in b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. The values of the velocities were shown on the Logger. Each object can only have a certain amount of energy and that energy is in different forms. Lab #6 - Work-Kinetic Energy Theorem Therefore, if the work done by a particular force appears not to be equal to the change in kinetic energy of the object, then the system should by analyzed for possible work (positive or negative) done by other forces. SOLUTION: Kinetic Energy Student Guide Lab Report - Studypool 3 0 obj - Determine the energies involved for a free falling body The term Kinetic means an object in motion A Static object is one that is at rest (not moving). Med Surg 2 Study Guide Answer Key; 324069444 Introduction to Mastering Chemistry; Tina jones comprehensive; Pattern Matching - Answer KEY; Ch 2 Assignment; Summary Give Me Liberty! b. A 50 kg person falling at 10 m/s would have kinetic energy. The conservation of the energy is happening in the presence of ____________ like gravitational forces or the force in a spring. To unlock this lesson you must be a Study.com Member. The standard cart was pushed towards the plunger cart, which was at rest. This is true because the value of the ratio of the momentum after to the momentum before was relatively close to one, or zero in the case of the percent difference for the momentum of the explosions. L. Record the exact mass in Table B. Hydrogen bond, water. (3 points) Covalent bond, methane. 3. In conclusion a basketball may look sample but its is very complex and can be very hard to manage. Within some problem domain, the amount of energy remains constant and energy is neither created nor destroyed. What is your hypothesis (or hypotheses) for this experiment? Privacy Policy. Add water to the cup until the total mass reads 200 g. Repeat the samples set for approximately 25 minutes. Meter sticks should be. The first Photogate sensor measured the velocity of the standard cart, and the second Photogate sensor measured the velocity of the plunger cart. What is the force required to bring the aircraft to a. the total energy in the system will not change. If your time is greater than it's supposed to be, your results won't make sense. So, multiply your value for height, the mass of the ball, and 10m/s2 to get GPE. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C Upon graphing the data, the best fit line was identified in order to find the formula of the function. Mark the board at 7.5 cm from each end. Enrolling in a course lets you earn progress by passing quizzes and exams. Data are reasonably accurate. This would give the velocity of each cart. This change of energy is known as the. These sensors were attached to a computer, which was running the Logger Proprogram, through a Vernier computer interface. a. F"361:~Sx~(1 3a1Hf!&%d~~Iy9ed*0|bc_.Q|Akh'Se& fOr)/x program. Record this velocity for each mass in Table A, and use it to calculate, the predicted kinetic energy of the soda bottle for the masses using the, Review the following relationship for mass and volume of water: 1mL = 0.001. kg; this means that 200mL of water has a mass of .2kg. Because momentum is conserved we can state that the final momentum of a system is equal to the initial momentum of a system in the following equation. Data: m = kg Fave = N x (m )v /s Wo rk JKE % Dif enc Scoring Rubric: E6. Ionic bonds are also known as electrovalent bonds. Before you start, make a prediction: Will the GPE at the top be the same as the KE at the bottom? If using one heat lamp, put the six cups in a tight 4. Repeat Steps 68d for the lead Every radioactive element has a different halflife. I made this because I was having to do all the research and I would've loved it, if someone had already done this. Even thought Ionic bonds still hold molecules together, they are weaker than covalent. <> Overall the total energy (_____________) is conserved. LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess's Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate; LAB 11 (Weeks 13 & 14) Spectrochemistry Measure the mass of your ball on the balance. She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. I have a template, that is simple and clear to understand. endobj If using two lamps, place three cups under each. In this lab, we'll be studying the principle of conservation of energy. The other cart was a plunger cart, which contained a spring activated plunger that could push the carts apart. 2. Each chemical compounds has a certain percentage of ionic character in its bonds and the remaining percentage as covalent bonds. hVmH+qW$RREWUw{Clt!AT` v6\`@8\TL)55 5DxnIe%xnkFgQ \ In this experiment we will be measuring the rate of decomposition of hydrogen dioxide with the following reaction: In the first experiment, How does mass affect your game? it shows that the data on Ball- Mass 3 that the 10 pound bowling ball had the highest kinetic energy of 27(J), the greatest velocity (m/s) of 3.42, and in average it produced 4 bowling points. Kinetic Energy Lab Report Edgenuity Answers. Non-metals are stronger than metal and can get electrons easily from the metal. The fact that the kinetic energy ratio was very far from one shows that the kinetic energy is not conserved in explosions. a. - Treatment, Effects & Withdrawal Symptoms, What Is Nicotine? - Benefits, Foods & Deficiency Symptoms, Working Scholars Bringing Tuition-Free College to the Community, Investigate conservation of energy through measuring potential and kinetic energy. Today, we're going to see how this plays out in the real world. We wrote down our data to prove that speed, height, and mass affect kinetic energy. Not because your TA says to do so, but because it adds depth to your discussion. Today's lab will elastic collision in one dimension. At the maximum height, __, the object's GPE will be a maximum. The analysis of the results of this experiment shows that momentum was conserved in all types of collisions. Record this in your notebook. So why would KE and GPE be different? Energy is never created or destroyed, only converted between forms - this is known as the law of conservation of energy. Ensure the cap is tight. kinetic energy lab questions. Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Middle School Earth Science: Homework Help Resource, Middle School Earth Science: Tutoring Solution, High School Physics: Homework Help Resource, High School Biology: Homework Help Resource, UExcel Pathophysiology: Study Guide & Test Prep, Veterinary Assistant Exam: Prep & Study Guide, General Chemistry Syllabus Resource & Lesson Plans, Earth Science for Teachers: Professional Development, Astronomy for Teachers: Professional Development, Biology for Teachers: Professional Development, Basic Genetics for Teachers: Professional Development, Elastic Potential Energy: Definition, Formula & Examples, Effects of Interionic Attraction on Colligative Properties & Solubility, What Are Beta Blockers? Understanding of DG =G 2-G 1, the driving force A thermodynamically favorable reaction or process means DG < 0, that's to say, highly driven! 6. Next, we need to do some calculations to find GPE and KE. C. Measure the change in temperature for different materials and mass. Answer Key 4th edition; ACLS Exam Version B; Physio Ex Exercise 1 Activity 3; Ebook Pendidikan Pancasila Ristekdikti; . program the reading from the first sensor was the initial velocity of the standard cart, and the reading from the second sensor was the final velocity of both carts. I feel like its a lifeline. Now find KE. 1. v . After these values were calculated the ratio of the final kinetic energy to the initial kinetic energy was calculated in order to compare the values. At the level of reference the ____________ is considered equal. edgenuity answer key r edgenuity reddit . 1 0 obj This cart also had a rod to assist in readings. If you want the answer key, you can dm me or you can comment so it'll . These calculations illustrated the nature of momentum, and showed that momentum is always conserved. A stairwell or out a window work well. The electrical conductivity of the compound when it is dissolved in water can assist in classifying the compound as ionic or molecular. B. If you do not have . In this lab, the possibility of experiencing sources of was extremely high as pushing a car and calculating the acceleration easily invited interference in otherwise perfect results. In our lab, some pairs would start and stop in order to remain at the correct number of pounds on the vehicle; therefore, the car had inconsistent acceleration and the data did not accurately reflect the constant rate. Place a book on top of the .95m table. This was a result of miscommunication between group members that proceed to affect why the group had the lowest measurement of displacement. Overall the __________ (kinetic plus potential) is conserved. At the level of reference the potential energy is considered ___________. We know that the law of conservation of energy says that energy can never be created or destroyed, so what happened? They then continue on together with one final velocity. Pour out some of the water from your soda bottle to adjust the total mass of, water and bottle to 0.125 kg (125 g). Justify the hypothesis from a chemical standpoint. Final Lab Report: Solar Cookin' Last week, we finally got a chance to showcase our beautiful solar ovens and complete our experiment as designed in the lab handout. u=MF)1\?Nt5hfw!wt{w{ry5Z~sMezs,'wMp+`$71MA. To answer this question, you really have to think about the moving atoms and molecules as having energy. The first condition tested was elastic collisions. The initial velocity of the standard cart and the final velocity of both carts, moving together as one, were measured using the Photogate sensors. This friction converts some of the energy of the ball into heat, making the value measured for KE less than expected. 2. Kinematics requires the understanding of how objects move vertically and horizontally. science edgenuity inc, edgenuity answer key physics allexampaper com, unit test physical science flashcards and study sets quizlet, edgenuity answers for financial math pdf kindle indraozi, physical science 2014 answers edgenuity pdf download, science grade 8 answer key assessments school, is there a way to cheat endstream endobj 499 0 obj <>stream Cookie Notice does not begin to cool. Time can vary slightly as needed to c. The three material types should be room temperature, but place a thermometer in each a Potential energy d Chemical energy e Electrical energy energy stored in a bicycle at the top of a hill the heat released by a steaming bag of popcorn the bonds between the protons of a. In this lab we will use kinetic energy to find how much ___________ an object has. WorkKinetic Energy Lab Included, labeled and organized all parts of the lab report. Additionally the lab taught how to properly work with carts on a Dynamic Track. Overall the total energy (kinetic plus potential) is conserved. We interpret the = sign to mean that the gravitational potential energy of the ball before it fell was converted into an exactly . circle one There are many properties that distinguish an ionic compound from a covalent compound. If you pick up a 10 N book a distance of 2 meters, how much gravitational potential energy did you . 2. The standard cart was pushed towards the plunger cart, which was at rest. The fact that the kinetic energy ratio was very close to one shows that the kinetic energy is conserved in elastic collisions. The ratio of the final momentum to the initial momentum was calculated for all conditions except the explosion. Since it's still and high up, the object only has GPE. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer Gizmos is an online learning tool created and managed by ExploreLearning Pre-Lab|In Lab 12) lesson on Edgenuity Entropy Energy And Chemical Equilibrium Lab Report ELECTRIC CIRCUITS LABORATORY MANUAL Lab 3 Out of Class - Lab 3 Answer Key Lab 6 - Lab 6 Answers Aae340hw3 solution AAE340 appendix - Lecture Appendices - Useful info for HW. 4 0 obj This cart also had a rod to assist in readings. Kinetic Energy Practice Problems 1. Use tongs to carefully place the sample in the hot water bath. b. If a person riding a bike has a mass of 200 kg and is moving at a velocity of 5 m/s, what is their kinetic energy? Another type of energy that we will study is called, gravitational potential energy (GPE) formula. Overall the total energy (kinetic plus potential) is __________. Attached to the track were two Photogate sensors. THERMAL ENERGY TRANSFER LAB GUIDE || Edgenuity Portfolio Guide Only Science Simply Explained by Ivy Alefante 138 subscribers Subscribe 37 Share Save 1.2K views 1 year ago This video is only a. When the standard cart reached the plunger cart they collided, stuck together, and continued down the track with a new velocity. If you measure it in grams, simply divide the number by 1000 to get kilograms . Additionally, the lab will teach how to properly use Dynamic Tracks, which will be a valuable lab skill in the future. web feb 7 2023 edgenuity chemistry lab report answers title the title should be concise and clearly describe the purpose of the experiment. heated aluminum wire from the hot water to the calorimeter using the tongs. The desk will then be used to launch from a vertical displacement of .75m place the duck up against the book and launch it horizontally, again collecting 5 separate data points and taking the average of the. Record an initial temperature for each type of material For observation 2 add. Energy can be converted from one form to another (potential energy can be converted to kinetic energy) but the total energy within the domain remains fixed. Lab report law of conservation of energy states that the total energy of the system remains same, and energy cannot be created or diminish, it can just. Explain your answers. Start a timer or note the time on a clock. Read through the scenarios below and calculate the predicted change in kinetic energy of the object compared to a 50 kg ball traveling at 10 m/s. You probably found that your values for KE were slightly less than that of GPE. Also, to see how gravity pulls the ball down storing energy and releasing the energy as the ball hits the bottom of the ramp and to see the distance the ball travels after books are added. 3. m 1 < m 2 If m 1 < m 2, then v 1f < 0, which is to say that object 1 reverses direction. Other researches had similar data but were never exactly the same. In elastic collisions kinetic energy was always conserved. As mentioned in the research, projectile motion was shown when the marshmallow was launching. A rescue diver of mass 89 kg jumps from a hovering helicopter into the ocean 20 meters below. a. Typically an ionic bond occurs between one metal and one non-metal ion. Identify and describe the transfer of potential energy to kinetic energy. Two clay balls are moving toward each other. Current I1=2.50AI_1=2.50 \mathrm{~A}I1=2.50A. The _____________________ is the change in mechanical energy, In the presence of nonconservative forces (like friction), the total mechanical energy is not conserved. Acids and bases are carefully regulated in the body by the lungs, blood, and kidneys through equilibrium processes. The next condition tested was inelastic collisions. If students have difficulties differentiating the characteristics associated with covalent and ionic bonding, they will suffer with future topics and other branches of chemistry. Momentum (, ) can be calculated by multiplying mass (, To begin the lab a Vernier Dynamic Track was set up and leveled on a table. - g is gravity (not to be associated with the acceleration due to gravity because g is a scalar) An ionic bond is a type of chemical bond that occurs when one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion, which then result in attraction. The work-kinetic energy theorem states that the change in the kinetic energy of a particle during a displacement is equal to the work done by the resultant force on the particle during this displacement. Edgenuity Answer Key! ANSWER Step 5: Set Up the Titration a) Turn the cockstops off. endobj The initial velocity of the standard cart and the final velocity of the plunger cart were the readings from the first and second Photogate sensors, respectively, on the Logger. f. Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the As the height decreases the GPE will ________ while its kinetic energy increases. Its like a teacher waved a magic wand and did the work for me. If a ball is sitting still at the top of a hill, will it have GPE or KE? The overall goal of this activity is to provide the students with a diagram that can help them learn and memorize the different characteristics associated with chemical bonding. Energy that exists by virtue of an object's motion is called the Kinetic Energy. The Great Depression and the New Deal How did the New Deal affect minorities in the United States (African Americans, Hispanics, etc.) lab kinetic energy edgenuity answers. They are things for you to think about. Newton's second law says: Force equals mass times acceleration (F= m x a). The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. Using the information provided in the Introduction and your observations from Part 1, hypothesize as to the type of electrolyte the following solutions would be. In class we learned about the principles of acceleration, time, and velocity. complete other steps of the lab. In this experiment, we will collect data on velocity, speed, and time. Visit EdgePlus+ for a purchase key. %PDF-1.5 This means that. 124 lessons. 5. ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. The kinetic energy before and after the system was then computed using the above kinetic energy equation. In the limit that m 2 m 1!1, v 1f! In this lab it was found that momentum was conserved in each of the situations above. 498 0 obj <>stream After these values were calculated the ratio of the final kinetic energy to the initial kinetic energy was calculated in order to compare the values. Cite: answers.com Work =Fd Ex:Trial 1: 0.98N*1.47m=1.44J Kinetic Energy= 1/2mv^2 Ex: Trial 1: 1/2 (794.5g) (1.16m/s/s)= 534.5J Ionic bonding is a type of chemical bond formed between two ions with opposite charges. Repeat the process of data collection at least 5 times and take the average. Measure out approximately 50 g of aluminum wire using a mass balance. These values were recorded, and the procedure was repeated five additional times for a total of six readings. of wire and water reach an equilibrium temperature (the water temperature stops Do this at least five times and take the average. Steps. any higher. circle, each equidistant from the lamp. This was done by causing elastic collisions, inelastic collisions, and explosions of carts on a Dynamic Track. in comparison to white Americans? Later, one piece of rock is dropped from different heights and hole made measured. We can say that one form of energy (potential energy) is converted in another form of energy (kinetic energy). Key points: When you leave the EdgyBot to do work by itself, you need to stay on the same tab. Double-click the bottle of NaHCO3 to move it to the Stockroom counter. balance and tare for zero. These values were recorded, and the procedure was repeated five additional times for a total of six readings.

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