DP Biology: Mobile phone bacteria experiment How do you even choose a topic? Plant project studies allow us to learn about plant biology and potential usage for plants in other fields such as medicine, agriculture, and biotechnology. However, keep in mind that even though we are doing our best to maintain this list fresh, other students will find it as well. 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. Reply 7. Along with a bundle of Past Papers, these premium SL notes include guides for your Extended Essay and Internal Assessments with helpful examples! Take 10 micro liters of the cultured. reply. 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 Vegetables decay over time but how can we slow down the process? Independent, Dependent variables need to be highlighted, as should the hypothesis. 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. 19, What is the difference in the CO2 levels exhaled before and after enduring physical exercise? Report. Interactions of Bacteria and Fungi on Decomposing Litter Biology . In this investigation a change in a physiological feature is explored. , its objectives, partwise breakdown, and what IB expects of you. 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. 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. Need inspo for Physics too? Using LeafLab - plant physiology/photosynthesis to test the effectiveness of different colours of light on the photosynthesis rate of tomato plants. Writing the IA Your introduction is about summarizing what you are doing and why you are doing it. IB Biology Internal Assessment - AMAZING WORLD OF SCIENCE WITH MR. GREEN The distinctive features of human physiology. This is a nice wet laboratory project and there are some simple ways to measure the growth of the bacteria but these can be fiddly to work out, and concentrations of bacteria used in inoculations will need working out. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. Background Information: There are a lot of microscopic organisms and other miniaturized scale creatures living in our mouth. Sterilize the spreader by holding it over the spirit lamp and then cooling it in the laminar airflow. Alcohol is a common active ingredient in many of the commercial mouth washes. Alcohol kills bacteria by first making the lipids, which contribute to the outer protective cell membrane, more soluble in water so that the cell membrane begins to lose its structural integrity. The 80 Most Common IB Biology Exam Questions! How does the concentration of zinc chloride affect the growth of plaque? location on shore. The use of a transect of transects will be useful for the sampling. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). opening the floodgates to that sweet 45! By submitting this form, I agree to the data entered being used by Nail IBNSW for sending In this post, we outline the different necessary components. Dont panic weve got you covered. This looks like an interesting topic of study. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? All rights reserved. Brian and also Louis G. Nickell and Alexander C. Finlay in the Journal of agricultural and Food chemistry, 2015. Using nationally published data on epidemiology and weather data is certainly possible and it could happen that there are correlations between climate and some disease outbreaks this will need explaining in terms of the mechanisms of transmission of the specific disease. Read more about it here. Get up to 300 bonus credits with our tutoring packages! Independent Variable: Temperature/Psychological Stress (scary movies? using potassium permanganate and heating, from a protocol from Science & plants for schools. Still feeling a bit uneasy about the task ahead? 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. One idea would be to make a series of soils using active compost and sand. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. Senior Scientist | Biology-Discovery - Animal Health You can find more information here, Independent Variable: Different Antibiotics, Different Seeds, Dependent Variable: Success of Germination, Rate of Germination. Selecting an IBxq Biology IA idea has never been easier! Outline the Equipment, time, and resources to keep a check on its feasibility. Is there an optimum intensity of warm up to achieve best performance? Toothpaste is labelled according to how natural or how chemical the contents are. 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Narrow down the subject. This is an interesting quantitative method to estimate glucose concentration. Of course the IB guidelines on experimentation needs to be followed and written consent sought for participants. 24. 12 Examples and Tips for IB Biology IA | MakeSensei 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. Halophytes grow in Salty conditions whereas normal plants dont. You certainly dont want to miss out on these! 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. Finding a topic is one of the - if not THE - most important part of writing your IA so we want to make sure that you get it right! Copyright 2023 Get the grade you deserve. Biology HL IA Idea Proposal - Bacteria vs Fertilizer - Stuvia My IA was on bacteria by the way if you have any questions. Processes such as diffusion and osmosis as well as the effect of chemicals on components of cell membranes, or on enzymes could be included in the theory. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). Of course there will be other factors to consider, for example local feature of the habitat where the plants are growing and the aspect of the flowers' location, not to mention grazing and grass cutting. 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. The development of biotechnology. HL Biology IA Help! - The Student Room How does the pH level of watering solution affect the growth and development of chickpea (Cicer arietinum) and mung bean (Vigna radiata) over a time period of 5 days indicated by the length of the stem measured? Toothpaste is supposed to block bacterial growth. This is a standard lab and the challenge will be to ensure that it is put into an interesting biological context. Exploring how the Water Quality Index (WQI) is affected by water obtained from Chemical Industries/Sewage Treatment Plants. Free Biology Topics for Writing - Essay Samples and Research Paper Examples 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. Every year the examiners' report mentions problematic Investigations, those which are unethical, or standard labs which are not applied to any specific interest. IB HL Biology IA Proposal - The effect of lactase on various - StuDocu Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. I'll start first; for my HL Biology IA, I Investigated the effect of varying wavelengths of light on the growth of bacteria; and ended up getting a 21/24 which is equal to a 7 :) Independent Variable: Halophyte seed vs Normal Plant seed. Population growth curves. There are biology topics that can be connected to culture, music, language, and the like. Experimental setup:Use a potometer to measure the rate of transpiration. Whether you are looking for immediate help for IB Biology internal assessments ideas, online tutoring for any IB subject including biology or best study material for any IB group 1 to IB . Originally Answered: what are some examples of good biology IA's? These criteria are Communication, Exploration, Personal Engagement, Evaluation, and Analysis. Starting with a process which requires diffusion in living cells will help the topic to be interesting and will show some personal engagement. The internal. Click, See Experimental setup:Follow this link to for more information of modelling! Test the stomatal density of different leaves exposed to variable conditions using a microscope. They found that they could propagate their leavening by saving a bit of unused dough to sow the . The challenge is to explain why there might be a change using biology and then to test it using some type of ecological sampling. 100 Biology Research Topics Ideas For Students 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. The use of compost and manure by gardeners and farmers : Limitations and Improvements should be specified. What is the most effective way of fighting an endemic? While it is an interesting idea, like the example above there are many factors to control in this investigation, which is an interesting modification of a standard lab looking at exercise. Plot this data with A on the Y-Axis and wavelength in nm on the X-axis. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! About us 9, Do our reaction times slow down with age? What brand of laundry detergent is the most effective in the digestion and removal of lipid stains? watch this thread. To measure the rate, you can either measure how quickly different species grow, or one of the other factors described below. Using the pipette dropper to suck in 10 ml of the 3% hydrogen peroxide . Ventilation rate is a measure of how quickly you breathe. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. 5, Effect of BMI on skin surface temperature in various body areas on rate of recovery once exposed to cold. In addition to that, the IA explores how inhibitor ethanol affects the rate of the reaction. legislation, you have rights in relation to your data. You certainly dont want to miss out on these! Stir these together well: -teaspoon agar (1 1/5 grams) NOTE: These topics are purely meant as inspiration and are not to be chosen blindly. They cause our teeth to rot, shaping plaque and causing awful breath. To get started, you'll need to make your agar and fill some petri dishes. Remember! Constraints, if any, need to be mentioned as well. 16, Determine the effect of glucose concentration on the rate of osmosis. There may be a combination of roles for plant roots and bacteria in the substrate and both of these link to the nitrogen cycle and so would allow for a detailed hypothesis and a focused research question. This can become interesting because you can test how different conditions affect milks spoilage, Experimental setup:In this experiment, you can compare milk spoilage. biology IA --- bacteria ? - Biology and ESS - IB Survival Human benchmark lab - Quite a nice small set of tests, including reaction times, Mean arterial pressure calculator online - a useful little calculator, Sciencelab Chemical data sheets MSDS (Materials Safety data sheets) - useful for risk assessments, document.write(new Date().getFullYear()) InThinking IB Biology IA, Hydrolysis of starch using enzyme amylase 1st Method (SL) using white tile and stop watch How changing Temp/Salt conc Copyright 2023 Nail IB. Teens can work to find out why certain plants present certain colors. What's IB IA Program? 0. 1678+ Video tutorials, 1226+ PDF IB Resources, 195+ Sample IAs, 148+ EEs, 8777+ Sample questions, 653+ quizzes, IB Before we dive more in-depth, you might want to check out our premium IB Biology SL Notes to own your Biology SL papers! How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? How does different conditioners affect the strength of hair? 3. Below is a list of 30+ topic ideas for Biology Internal Assessment: Assessment of the effect of temperature on the vitamin C content of various juices What effect can quick shifts in body posture have on baroreceptor feedback and pulse rate? disinfectant, rum, vodka, etc.). Experimental Setup:Create different environments for vegetables to decay in and measure the decay over a fixed period. Don't do it! I'll do so in a series of questions that will help you probe deeper into your IA. | Do individuals of different types all behave in the same way to a stimulus. CareerBuilder TIP. Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. What are some potential topics for my MATH IA that related to biology Independent Variable:Temperature, Oxygen availability. Effect of Mouthwash on Bacteria | Experiment - UKEssays.com There are many possible variations, perhaps the presence of animal excrement could be the causal factor, otherwise some species may be more resistant to scratching and disturbance, caged animals can selectively graze on parts of a lawn, just to mention a few ideas. The different pH levels are pH 1, 3, 5, 7, 11, and 14. The individual investigation should cover a topic that is commensurate with the level of the course of study. 30 Biology IA Topic Ideas! | Lanterna Education Blog IA Design - IB Chemistry Biology IA Sitting in that quiet corner, sipping on hot chocolate hoping it rains IB Biology IA ideas, instead, going blank and utterly confused?