biology ia ideas bacteria

Personal engagement, exploration, analysis, evaluation, and communication. Change the different conditions in which the plants are found as well as the species. Still feeling a bit uneasy about the task ahead? Look no further; at Nail IB, we have assembled premium content for you to ace your IBs, and you might want to check out our resources for a smooth IB experience. How does the acidity of different beverages affect the deterioration of tooth enamel? Below you will find science fair project ideas primarily related to biology. For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. Some plants grow well in coastal soils with igh salt concentrations but others don't. How does the percentage of salinity in water affect the rate of growth of radishes in mass? Then, add some liquid soap (like the one you use for washing the dishes), juice from a grapefruit, and . Selecting an IBxq Biology IA idea has never been easier! This looks like an interesting topic of study. Topics about Biology, we've collected for you from our best Biology papers samples! assessment, worth 20% of the final assessment, consists of one scientific investigation. Atriplex amnicola) and expose them to increasing increments of independent variables, observing how their transpiration rates change. This was my Biology HL IA which was given a 21/24 by the IB. Follow the steps here to extract the DNA. Then use agar plates and bacteria to test their effectiveness by seeing how many bacteria grow in the different plates! IA Review. All rights reserved. It may even be possible to find a database of measurements of children of different ages. Paper 2 contains short-answer and extended-response questions on the core (and Additional Higher Level (AHL) material . Different plants will change their transpiration rates in response to the environment. Designed by Harvard tutors to allow you exceed beyond expectations. terms of service. Before we match you with one of our trusted tutors, we want to know a little bit about you so we can ensure the best possible support. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. But how do we get started on a lab report and, crucially, what should we write about? NOTES: Probiotics eat the lactose in milk through fermentation. How does cumin and turmeric powder, in comparison to indigestion tablets, affect the rate of neutralization of hydrochloric acid, measured by the difference of change of pH levels in 5 minutes? 9, Do our reaction times slow down with age? Lawrence Kok Sofia, Pancharevo, Bulgaria IB Science Teacher at Anglo American School of Sofia, AAS. Neither should the idea be too generic and nor too simplistic. This investigation relies on the recording of abiotic data and data about the stage of the flowering cycle using the number of flowers / fruit / buds etc in a single species at different altitudes up a mountain. These are just some of the questions which will need answering. Is there an optimum intensity of warm up to achieve best performance? Are you struggling with choosing your topic for your IB Biology IA? The Aim answers Why while the Research Question answers the What. Its very important that you consider if whether you can apply these topics to your own life, as this shows personal engagement. Read more about it here, Independent Variables: Concentration of Sucrose. Lots of scope but not an easy investigation to complete in the time, in 12 pages. The data collection using the online lab may be easy enough, but the challenge is going to be designing a meaningful experiment and collecting enough results to complete the analysis well. IA is one that has been undertaken with complete zeal and enthusiasm. The role of a warm up in sport is clear. It is very easy to extract DNA at home just using everyday kitchen supplies. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? Some diseases spread through direct contact, others are transmitted by an insect vector. (16 More IB Resources), See Dont worry, weve all been there. This gives the microbe an advantage when competing for food and water and other limited resources in a particular habitat, as the antibiotic kills off their . . Are you looking for some IB Biology Internal Assessment (IA) ideas? | This investigation might sound simple at a first glance but there are many difficulties to overcome in terms of controlled variables and the method of measuring the CO2. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. Facebook Heres a useful link for ventilation rates. Challenges: Being consistent in assessing the fruit ripeness. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. The effect of pets on the diversity of plants in a garden lawn. This is a great idea, but it could be complex and time consuming depending on the lab. Lactobacilli reproduction and growth is the cause of milk spoilage. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Independent Variable: Temperature, Salts, Humidity, Oxygen availability, Dependent Variable: Rate of Decay measured by pH, mass or temperature change. The five assessment criteria are personal engagement, exploration, analysis, evaluation and communication. IB Biology IA Ideas Different abiotic factors affect the growth of different plants, test the different conditions and then note how plant species change in their presence. Dependent Variable: Rate of Seed Germination. If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. Investigate the influence of Ph levels in the soil on the development of the Lepidium avitum 2) How does the concentration of potassium chloride affect the growth of Lepidium savitum. 8, How do the buffering actions of milk, yogurt, juices, detergents etc. Pease comment on broken links and suggest alternative ideas in the comments. You can extract your own DNA from your saliva, or you can use any fruit or vegetable you can find at home bananas and strawberries are some of the most popular at science fairs. with peppered moth types. In general, keep in mind that for your Chemistry IA we want to measuring how changing one variable has an [], Choosing where to start with an IA can be the hardest part, and this is definitely true for the Physics IA. They know exactly how to get a 7 in your IA and exam and can give you tips and tricks on how you can do the same. Heres a quick summary of how you are supposed to choose an appropriate IB Biology IA idea for your report: Now that you know how to settle on that one perfect topic, lets quickly brief ourselves with the proper planning and procedure involved in the making of an IB Biology IA: Concise Research Question: Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. When it comes to selecting from several IB Biology IA ideas for your investigation, it is essential to note that your IA would either require you to: Carry out an experimental investigation in the laboratory or Draw interpretation from a credible database or Make a detailed analysis using a simulation/modeling. Here is a list of top 22 Biology Internal Assessment (IA) ideas: IB ++tutors is a Canadian company that is committed to providing global, high-quality IB private tutoring services by IB expert tutors. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Stomata are the areas of gas exchange in leaves. Reply 7. Many say that as we get older, our reaction times slow down, see if this is true! Exploring how the reaction times of humans get affected with age. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 3, Describe how the primary productivity of algae changes with temperature, algae concentration, other aquatic plants, salinity, nutrients, and any other variables you may want to consider. In accordance Kimchi is a traditional fermented cabbage dish from Korea. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. IA Advice & Ideas; Help! Vegetables decay over time but how can we slow down the process? Preview 1 out of 13 pages What effect do conditions, such as temperature, sunlight have on the rate of spoilage. At Lanterna we have hundreds of tutors who smashed Biology. The will (hopefully) impact the success of germination. Similarly to the experiment on the rate of decay, you can also measure how quickly fruits ripen, and which factors affect this ripening. 12 Investigation ideas with a biological twist. At the end of a long endurance event cramps and muscle fatigue will be evident but this is not possible to recreate in the lab in school. The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth In this post, we outline the different necessary components. It is possible to establish a theoretical link between mild stress and adrenaline (epinephrine) which will affect features in the body including pupil size but it is not possible to directly measure the level of any hormones in the body. This is nice project if there is a specific environmental gradient in the site being investigated. Ventilation rate is a measure of how quickly you breathe. Would soil pH effect the enzymes in the seed responsible for germination, is there another explanation? The Aim answers Why while the Research Question answers the What. (Use egg as imitation of tooth). How do the factors temperature and light intensity that affect photosynthesis balance out each other when it comes to the time taken for photosynthesis to occur? These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. Measuring the energy content of a packet of Cheetos 30 IB Biology IA Topic Ideas 1. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at This sounds like an easy investigation but it is tricky because first there needs to be some biological reason why the heart should speed up in the presence of music and this is impossible to explain with IB Biology. IA Overview. One idea would be to make a series of soils using active compost and sand. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. How does different conditioners affect the strength of hair? In this investigation a change in a physiological feature is explored. We use cookies to ensure that we give you the best experience on our website. LinkedIn, IBDP Maths: Applications & Interpretation, Changes in the Biology Guide for 2025 exams, Video introduction to Learning activities, Distance learning using InThinking Biology, Setting written tasks using pdf worksheets, Teacher activity - Mastering student access, The origin of cells and cell division 1.5 + 1.6, Molecular biology: Activities for Learning, Molecules to metabolism - planning sheet 2.1, Carbohydrates and Lipids - planning sheet 2.3, Structure of DNA and RNA - planning sheet 2.6, Hairy Hands - genetics of mid-digital hair, Genetic modification - planning sheet 3.5, Species & communities - Planning sheet 4.1, Classification of biodiversity - planning 5.3, Reclassification of figworts using cladistics, Emergency room activity - enzyme inhibition, Electron transport chain - revision games, HL Plant Biology - Activities for Learning, Reproduction in plants - planning sheet 9.4, HL Animal Physiology Activities for Learning, Antibody & vaccination - planning sheet 11.1, Sexual Reproduction - 11.4 planning sheet, Option A - Neurobiology - Activities for learning, Neuropharmacology HL - planning sheet A.5, Option B - Biotechnology and bioinformatics, Organisms in industry Topic - Planning sheet B1, Batch fermentation and continuous culture, Biotechnology in agriculture - planning sheet B2, Cryptic messages - bioinformatics introduction, Environmental protection - planning sheet B3, Option C - Ecology Activities for learning, Species & communities - planning sheet C1, Communities & Ecosystems - planning sheet C2, Conservation of biodiversity - planning sheet C4, Option D - Human physiology Activities for learning, Respiratory gases - planning sheet HL D.6, Individual investigation - skills introduction, IA avoiding common errors - model answers, IA Experiments that could be done at home, Investigating strawberries with a glucose test meter. Take 10 micro liters of the cultured. The practice of making sourdough is as ancient as bread itself. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Finding how the respiration rates of bakers yeast and lager and wine yeast in various sugar solutions compare. using potassium permanganate and heating, from a protocol from Science & plants for schools. To make things as simple as possible for you, we've put together a list of biology research project ideas. Soil respiration can be measured using a CO2 probe and a data logger the same equipment could be used to measure the rate of photosynthesis, although growth (or photosynthesis) can be measured in other ways too. However it could be really interesting to compare simple behaviour in animals. You will find 100 topics on various subjects below. Compost is made from dead plants and manure is the waste from animals. Independent Variables: Different toothpaste manufacturers (Colgate vs Sensodyne vs Crest vs Aquafresh), Dependent Variable: Success of bacterial growth (seen by growth on an agar plate), Milk goes off because of lactobacilli reproduction and growth. A well planned, structured, and executed IA is one that has been undertaken with complete zeal and enthusiasm. [], or you can call us here at: +44 20 4571 0455. which are specifically designed for self study and revision.

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