Comparing Gersmehl diagrams from different biomes or applying them in different real-world conditions by measuring the content of nutrient sinks- biomass, litter, or soil. Click here for top-notch IB resources or here to assess how your prep is going! We look forward to joining the Lanterna and being part of your success. 20 Fun and Interesting Biology Experiments for High School to inspire and stimulate your grey cells! 8, How do the buffering actions of milk, yogurt, juices, detergents etc. 996+ Videos, 1180+ PDF Files, 5858+ Sample questions. How does different conditioners affect the strength of hair? Click here (amylase) or Click here ( pancreatin amylase) from Carolina. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Some independent variables will be easier to test than others, for example size of text and distance wt which it can be read, would be better than measuring reading speed which can be affected by many other variables. The internal assessment requirements are the same for biology, chemistry and physics. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. it might even be possible to use mesocosms to perform this investigation as these would make it easier to control more of the other variables. This creates fermented products. Proper research on your part is a bare minimum, and the rest follows. 6 years ago. Choosing the perfect IB Biology IA idea is only the first step in making ones IB Biology Investigation, but definitely, the most significant. 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. The sure shot way to ace ones IB Biology IA or any IA for that matter is by picking a topic that sparks ones interest. Independent, Dependent variables need to be highlighted, as should the hypothesis. Introduction Lots of scope but not an easy investigation to complete in the time, in 12 pages. | How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? The existence of living organisms without cells. You will find 100 topics on various subjects below. NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. They found that they could propagate their leavening by saving a bit of unused dough to sow the . A full experimental setup can be found on this link. This FREE guide reveals the most powerful information for boosting your extended essay score and Different plants that live in different conditions will have different requirements for gas exchange. OP. It is all the same when choosing that one Biology IA idea from a platter full of inspiration. 20, Testing the effectiveness of different types of toothpaste in inhibiting the growth of different types of bacteria.https://qa.lanterna.com/wp-content/uploads/2019/04/Biology-Revision-Guide-213x300.png, 21, The effect of temperature / light on fruit ripening, 22, Exploring stomatal density in a variety of conditions, 23, Testing the effectiveness of toothpaste types, 24, Investigating the effect of smoke water on the germination and growth of E.pilularis, 25, Exploring the effect of sunlight on biomass, 26, Exploring effect of light levels on the predation of the peppered moth, 27, Investigating the effect of different light intensities on water weeds. 30+ New IB Biology IA Ideas. The 80 Most Common IB Biology Exam Questions! Browse these for more information! If you insist on trying this then be sure to cover the control of variables, there are a lot which can affect the heart. How do cleaning products affect the growth of house plants? should include all the normal conventions of d.p. Investigating muscle activity involved when standing on ones toes(Ballet dancers). Need inspo for Physics too? They are the foundation of food chains in almost every ecosystem. (DOC) BIOLOGY Practice IA | Riona Claire - Academia.edu SIENE IA UIDE 8 info@lanternaeducation.com 23. Ecological techniques and quadrat sampling could be used together with mapping of digging or scratching to establish whether the presence of a pet increases plant diversity or not. This investigation is a bit biochemical and the answer to simple research questions about the hydrophobic / hydrophyllic properties of photosynthetic pigments themselves would be a little bit obvious, so the challenge is to thing of a research question that could be answered by mixing petroleum ether (a nonpolar solvent) and propanone (a polar solvent) in different proportions and calculating retention factors. The procedure used should be well structured. We have a team of awesome tutors ready to help you ace the IB. Biological explanations could look at the way we grow, and if the brain changes size at the same rate as the lungs. 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 . The focus is on the parts of the cell and the interaction of the cytoplasm and the membrane as the topic ideas below show: The Pros And Cons Of The Cytoskeleton System Through The Lens Of Cell Motility. Perhaps another research question will be better, something linked to hormones, or to physical activity. The data must be analysed by the student and tables / graphs etc. We hope this article will serve as a foundation for you to get going on that IB Biology IA Investigation of yours! Challenges: Being consistent in assessing the fruit ripeness. Extract your own DNA. At lower pH levels of 4.0 - 5.0, lactic acid bacteria can grow and pro- duce lactic acid. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Experimental setup:Use a potometer to measure the rate of transpiration. Biology IA Checklist for HL & SL The International Baccalaureate Biology Internal Assessment makes up 20% of the final grade achieved by Biology HL and Biology SL students. Koreans eat kimchi year round, enjoying its spicy taste and the fact that it contains loads of vitamins B and C. In this cooking and food science fair project, you will make kimchi from scratch and investigate changes in pH and glucose as the kimchi ferments. Bacteria - Definition, Shapes, Characteristics, Types & Examples The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. The release of CO2 by the body in the lungs is not simple either, factors to consider include the relative amounts of aerobic and anaerobic respiration, as well as the position of the muscles being exercised. IBDP Biology InThinkingSubject Sites for teachers & their classes Pour 250 ml hydrogen peroxide of 3% concentration into the 300 ml glass beaker. A List Of Great Topics For A Biology Extended Essay - Christian Paul This looks like an interesting topic of study. How to measure growth of algae with colorimeter - Biology Stack Exchange Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. with peppered moth types. Without further adieu, lets dive headfirst into 30+ IB Biology IA ideas for your Biology IA Investigation! Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Independent Variable: Temperature/Psychological Stress (scary movies? Controlling factors which can affect blood pressure could be an investigation in itself! Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. It belongs to the family of Enterobacteriaceae where most of them are harmless. Read more about it here, Independent Variables: Concentration of Sucrose. Subscribe and get the latest IB guides, notes,news, tips and product updates. Maths IA, how to combine biology with maths? - IB Survival This would be a challenge and it would require some research before beginning. Are you looking for some IB Biology Internal Assessment (IA) ideas? 1: Cell Biology 1.1: Introduction to Cells 1.2: Ultrastructure of Cells 1.3: Membrane Structure 1.4: Membrane Transport 1.5: The Origin of Cells 1.6: Cell Division 2: Molecular Biology 2.1: Molecules to Metabolism 2.2: Water 2.3: Carbohydrates and Lipids 2.4: Proteins 2.5: Enzymes 2.6: DNA and RNA 2.7: DNA Replication, Transcription and Translation At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. This is a nice idea for an investigation into the number of species found in a garden in houses where there are pets and no pets. These ideas are meant to give you a little head start along this path; your final IB Biology Investigation idea is your interpretation of one. The bacteria-infected mice were given PPEF, BPVF, levofloxacin, and ciprofloxacin at different doses (10 and 20 mg/kg bw) by dissolving in sterile water as a vehicle at a volume of 0.1 mL using a . Outline the Equipment, time, and resources to keep a check on its feasibility. We are available: Mon-Fri 9am-7pm CESTSat 10-5pm CESTSun 12-5pm CEST. This is nice project if there is a specific environmental gradient in the site being investigated. Decomposition is crucial to the cycling of elements, such as carbon from one living organism to another. The video breaks down the c. DP Biology: 30 investigation ideas for Biology IA Want some A-quality guidance? Get up to 300 bonus credits with our tutoring packages! Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. 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. One idea would be to make a series of soils using active compost and sand. 100 Biology Research Topics Ideas For Students reply. Personal engagement, exploration, analysis, evaluation, and communication. IA and EE - IB Chemistry Biology IA Download our Guide: How to Write a Perfect Biology IA (Click Here), If youre interested in getting additional support for your Biology IA, we have a team of expert IB Biology tutors that can help you plan, structure and execute your assignment. 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. Starting at deep purple, and ending at far red, write down the A values. Some suggestions of research questions may be; Is there a difference in the composition of photosynthetic pigments in the leaves of a plant found in the sun or the shade? Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest.
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