Pigments are insoluble coloured compounds used industrially in the colouring of many materials, for example clothes and cosmetic products. The assessment criteria are set out clearly in the guide but the interpretation of how to apply them is based upon what is written in several pages of the subject reports and the instructions that are given to moderators. 32. With the cancellation of the May 2020 exams instead of the IA component counting for only 20% of the final mark it effectively became the main basis upon which grades were awarded. An example would help me understand (doesn't have to be chemistry). This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. Within the finish, there are many colours produced depending on the paint company from 100 to 10000. All articles are only published after being peer-reviewed and approved by the editorial board. Does the ethanoic acid concentration vary in vinegars obtained from different grains? Within each topic listed below, we include the basic reasons for investigating each topic, what the possible independent variables and dependent variables are as well as the basic experimental setup! Balancing chemical equations using algebra, Choosing a Chemistry IA Research Question - chemistrytutor.me. Periodicity & transition metals (2), 11 & 21. Websites and Databases for Research. Investigate the effect of solvents in paper chromatography and thin layer chromatography. Remote username and password Rdale281, Rdale#281, https://rdale.libguides.com/c.php?g=1105798, 4148 Winnetka Ave. N. | New Hope, MN 55427. Quickly find chemical information from authoritative sources. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. Each of the following example will cover a basic experimental concept and then suggest some adaptions or different perspectives you could take. 25. The resulting IA examiner comments are also provided for each chemistry IA. Using back titration to investigate whether the concentration of aspirin from more expensive tablets is higher after 30 minutes than from cheaper ones. You could investigate how changing the atoms/groups attached to the central atom affects the shape/ bond angles of a molecule. What are good chemistry databases that can be used in the IA? You do not need to show the detail view of any table. The length of time that vegetables are cooked for, and the method of cooking used has been reported to affect the vitamin C content, so this could be investigated further. Relating experimental and theoretical values for the lattice enthalpies to charge density of different metal ions, Evaluating different mathematical models for the calculation of pI values of amino acids and comparing to database values, Using molecular modelling to explore the relationship between halogen size and the preference for T-shaped geometry in interhalogen compounds. Does thermal decomposition allow unknown salts to be identified? We use cookies to ensure that we give you the best experience on our website. Investigate the effect of pH on the rate of rusting. *LINK TO MY BIOLOGY IA* Download. The research question ends up being something along the lines of, "To what extent does (independent variable) affect (dependent variable) at (blah blah specific conditions or variations youll have)?". Databases. Typical solvents and solutes include water, seawater, heavy water, inorganic compounds, and a variety of organic compounds such as hydrocarbons, halogenated hydrocarbons, alcohols, acids, esters and nitrogen compounds. decomposition of sucrose into glucose and fructose. We provide the following chemistry databases: CSD - a Cambridge Structural Database system and related Mercury, ConQuest, SuperStar, IsoStar, and Mogul programs; RTAM - a bibliographic database of relativistic calculations on atoms and molecules; Free databases on the web. You can post now and register later. Like many IB students, you may be finding it challenging to think of an idea that a) you are really interested in and b) is feasible for you to complete given the time and resources available. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. Posted: January 03, 2023. West Des Moines, IA. You can use it to show your students how to write their IA report based upon secondary data so that it fulfils all the assessment criteria. One of my students wants to conduct research about the amount of calcium in eggshells of different colors. Incorporating IM, TOK, 'Utilization' etc. You can post now and register later. You could look at different types/ sources of salt and compare your experimental values to the stated values. IB Survival LLC. The iodine concentration of iodinated salt can be calculated in a redox titration by titrating the iodine with sodium thiosulphate solution to reduce it to iodide ions, as can be seen. NIST Chemical Kinetics Database Standard Reference Database 17, Version 7.1 (Web Version), Release 1.6.8 Data Version 2023 A . The value for bond enthalpy changes for different molecules depending on the nature of the other bonds in the molecule. Calculate the Kw for water at different temperatures by measuring its pH. One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea. LinkedIn, Course for students (First exam May 2025), Short cut to give students access to a page, MC test: Nature of matter & chemical change, Nature of matter & chemical change questions, Covalent structure (2) Shapes & polarity questions, MC test: Further aspects of covalent bonding, Further aspects of covalent bonding questions, MC test: Collision theory & rates of reaction, MC test: Rate expression & reaction mechanisms, MC test: Calculations involving acids & bases, Electrochemical cells (1) (AHL) questions, Electrochemical cells (2) (AHL) questions, MC test: Fundamentals of organic chemistry, Fundamentals of organic chemistry (1) questions, Fundamentals of organic chemistry (2) questions, MC test: Alkanes, alkenes & addition polymers, MC test: Electrophilic addition & electrophilic substitution reactions, Spectroscopic identification of organic compounds, MC test: Spectroscopic identification of organic compounds, Identification from spectra - Question 10, Spectroscopic identification of organic compounds (AHL), MC test: Spectroscopic identification of organic compounds (AHL), Identification from spectra - Question 11, Identification from spectra - Question 12, Identification from spectra - Question 13, Identification from spectra - Question 14, Identification from spectra - Question 15, Identification from spectra - Question 16, Identification from spectra - Question 17, Identification from spectra - Question 18, Identification from spectra - Question 19, Identification from spectra - Question 20. Detailed instructions for the experiment can be found. This is a project that accounts for 20% of your final grade. Join. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? Research questions are difficult to find and formulate where enough data from different sources can be utilized. Database Chemistry IA IB Survival is now part of Lanterna Education Database Chemistry IA chemistry ia internal asseesment database By rawan1408, February 22, 2017 in Chemistry Share Followers 0 Reply to this topic Start new topic rawan1408 Members 1 10 posts Exams: May 2018 Posted February 22, 2017 It is an opportunity to show-off your chemistry skills and knowledge and investigate interesting ideas without the pressure and constraints of the written exams. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. You should always get your IA checked out by your class teacher before you carry out any lab work to ensure that your experiment is safe. There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. For example, how and why does the enthalpy of combustion change as the length of the carbon chain increases in a homologous series? I just don't understand how I can use a database that is already focused on investigatingsomething and then use it to investigate something else???? What I then did was to spend about an hour rewriting my article to addressspecifically all the IB assessment criteria without adding or changing any of the actual chemistry. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. You cannot paste images directly. The molecular formula of unknown hydrated salts can be calculated using thermal decomposition reactions. Build a logical database model in MySQL for this in 3NF form. You can see the results of my investigation on a separate page on this website. Titration: Sweetener Dulcin synthesis from Analgesic Tylenol. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. All this secondary data is easily accessible to students on the Internet and the investigation could have been undertaken by a student for their IA. Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. In 2013 Scerri stated that many teachers were still teaching blatantly wrong chemistry by giving the electron configuration of scandium as [Ar[4s23d1 and provided experimental evidence to support the argument that it should be [Ar]3d14s2. As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. Investgating the effects of voltage and bubble overpotential on the electrolysis of sodium chloride using microscale Hoffman voltammetry, Measuring the Gibbs energy change for different spontaneous electrochemical reactions, Is there a relationship between ionisation energy and Gibbs energy change for redox reaction between different reactive metals, determined using voltametry, Determing the equilibrium constant for the interconversion of cobalt(II) hexahydrate and tetrachlorocobaltate(II), Finding the Gibbs energy change for the esterification reaction between propanoic acid and ethanol using gas chromatography. 49. Finding reliable and complete databases is important to make sure your results are accurate. Using colorimetry to investigate whether coffee contains more caffeine than tea, Investigating whether solvent polarity affects the mass of caffeine extracted from coffee beans using HPLC. Assessing the yield of aspirin when prepared using microwave heating compared to conventional heating method, Using thin-layer chromatography to investigate the synthesis of the antiseptic 2,4,6-tricholorohydroxybenzene, Comparing the products from the nitration of benzene, phenol and benzaldehyde using infra-red spectroscopy, The effect of reaction temperature on the yield from esterification reactions, The effect of reaction temperature on product purity when synthesising Oil of Wintergreen assessed using TLC. Chemistry Databases. Hello, Ive been struggling for a while to come up with a type of question to be able to do an IA with. A leading publisher of authoritative scientific information. The effect of temperature, pH or salinity on oxygen content could be investigated as one of your IB Chemistry IA ideas. Prepare and test of buffer solutions. Alloy.ai's unmatched customer experience and strong market presence earned us a spot in the Leader quadrant in Retail Analytics and the High Performer quadrant in Demand Planning in G2's Winter 2023 Grid Report. We suggest you use these International baccalaureate biology IAs to get IB biology IA ideas and explore possible biology IA topics for your own Internal . Hi, I wanted to determine protein content of something over different cooking time but I did some research on the google and I found that proteins are not affected by heating. Privacy Policy. How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. Check them out by clicking here! Sitemap. If youre interested in getting additional support for your IA, we have a team of Chemistry IA tutors that can help you plan, structure and execute your assignment. If you are looking for a bit of inspiration to kick your Chemistry brain into gear, check out our list of 50 ideas for your IB Chemistry IA below. Do note there is a 12 page limit. I've chosen a database topic, but I don't actually know where/how to find said databases. Im interested in a topic having to do with pesticides but the thing is that I am not really sure how to convert it into an actual strong question. Using the vanishing cross method to determine the order of reactions when sodium thiosulfate and hydrochloric acid react, Evaluating the rate law and rate constant for the kinetics of the bleaching reactions of some common dyes using spectrometry, Determining the optimum temperature for the breakdown of hydrogen peroxide by catalase found in liver. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. It provides also a good selection of cited works. IB Chemistry IA ideas VSEPR theory predicts the shape and bond angles of molecules based on the number of bonding and non-bonding pairs of electrons around the central atom. Is the oxygen level in my local canal enough to satisfy the biological oxygen demand (BOD) for fish? See also this Chemical Data guide. It is often used for decorative or protective means. 44. Please make sure you show your idea to your teacher before you get too involved in the planning stages as there may be a very good reason why you are unable to carry out your idea. Powered by Invision Community, IB Survival is now part of Lanterna Education. For example, how does the bond enthalpy for the C-H bond vary as the length of the alkane increases? Determining the optimum temperature for lipase activity, Using colorimetry to investigate inhibition of salivary amylase by metal ions with different charge density. Determine the concentration of biodiesel produced from fruits by using calorimetry. help/tips would be greatly helpful! For more information, please see our In your Chemistry IA, being creative for your topic is not a very key criteria. Do different grades of brass contain different amounts of copper? This is an example of a redox reaction as the iron ions are oxidised and the potassium manganate(VII) solution is reduced. 15. What are ionic equations and ionic half-equations? ACS A leading publisher of authoritative scientific information. This was partly to offset worries that it is difficult to ensure complete academic honesty. 19. For example, does increasing size of an alkyl group attached to the central atom have an effect? The concerns are many but essentially they are: I have two other concerns. 20. Its got to be something suitably demanding for diploma-level study, its got to be something relevant to the chemistry syllabus, its got to be something you cant just look up the answer to in a textbook, and crucially, its got to be a topic the student is personally engaged with. This work can be on primary or secondary data but well analyzed and critically evaluated. Packed with tips and hints to help you avoid common errors, the guide will help keep your IA planning and execution on track. 194. This page has Simulations and resources for high school students. 35. So chemistry-wise I start with a broad base. Quick disclaimer; my Biology IA was a database IA, so the majority of the tips I'll share in this post will specifically relate to writing a successful database IA. Investigate variables affecting water absorption polymers. Similarly, you could look at how the length of a specific type of bond changes across different molecules. Ive given a weaker and a stronger example research question for each category, but be aware that the stronger research question is not necessarily a good research question! My second worry is that the whole of the IA assessment has become a ticky box exercise involving passing through hoops that bear little relevance to how chemistry is normally reported. The journal also emphasizes mathematical articles devoted to the mathematical treatment of questions arising in physics, chemistry, biology, engineering and all applied sciences. Strugglingfor IB Chemistry IA Ideas? ACS Chemworx - Free research collaboration tool. It often is the "make or break" so do ensure to take it seriously. 42. This is explained further. 13. r/IBO. Investigating the kinetics of the reaction between potassium iodide and lead nitrate using microchemistry, Modelling bond angles in organic compounds and comparing them to actual values using ACD ChemSketch, The effect of halogen electronegativity and atomic radius on bond angles in halogenoalkanes determined using CambridgeSoft Chem3D software. Clear editor. Databases - Chemistry - Research Guides at University of Michigan Library Selected Databases Database Search Search for a database accessible by U-M faculty, students and staff Canvas module on Navigating Science Databases (use tag hsstem) Why use Library Databases? Search for content by subject in the Search field.