are the criteria against which the investigation is assessed. Still feeling a bit uneasy about the task ahead? 3. . 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . 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. Don't do it! In this investigation a change in a physiological feature is explored. Login length need to be from 3 to 40 characters, Password length need to be from 8 to 40 characters. Personal engagement, exploration, analysis, evaluation, and communication. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? HL Biology IA Help! How do you even choose a topic? Some preparation time will be required to germinate and plant the seeds. Click, See Challenge: Gathering enough data, Pollution affecting species growth. Avoid this type of investigation, . Dependent Variable: Rate of Seed Germination. Pease comment on broken links and suggest alternative ideas in the comments. The greatest challenge in this investigation is getting a large enough data set which takes into consideration enough of the factors which need to be controlled. Using a previously characterized and described abdominal model to define the avian immune response to Salmonella intra-abdominal challenge in chickens, we have adapted this technique for the study of chickens' immune response to a Campylobacter intra-abdominal challenge. 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. One idea would be to make a series of soils using active compost and sand. How does the percentage of salinity in water affect the rate of growth of radishes in mass? 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. It might seem like a lot of work, but with the right topic in hand, you will go beyond your expectations! This page is a simple list of general biological ideas for investigations. 15, Analysing the impact of river pollution on marine life. 6 years ago. 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. One nice idea might be to see if the growth in the lungs' vital capacity correlates better with the circumference of the skull or the length of the legs in children of different ages. 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 IB IAs are an essential part of ones overall subject performance since they make 20% of the final score. IA Biology HL 6 Investigating the relationship between consumption of fat and carbohydrates per capita per day measured in kcal and share of adult obesity in a country as a percentage of the population IA Biology HL 7 Investigating Effect of Different concentration of pesticides on bacterial growth. How do detergents, drinks, yogurt, and milk stack up when it comes to buffering? This investigation is Design an experiment to investigate a factor which affects the precision of colour vision, age, tiredness, gender, eye colour, etc. Right from neurobiology to the fascinating subjects of the immune system, MyAssignmnethelp.com covers a wide range of biology research topics. How does increasing the concentration of Oxytetracycline in mg/L affect root elongation in cm of Citrus limon? with peppered moth types. Coli bacteria using a micro pipette. Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . 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. This is a list of possible sites for students to use as online labs. The internal assessment requirements are the same for biology, chemistry and physics. 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? Studying how different carbohydrates in edibles impact the blood sugar levels in humans. 1 Department of Food Chemistry,Faculty of Pharmacy, Mahidol University 2 Department of Microbiology, Faculty of Pharmacy, Mahidol University Abstract Recent trends show that consumers have been searching for functional foods to improve bodily functions and overall health. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. 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. Independent Variable: Temperature/Psychological Stress (scary movies? 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. 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 . 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 . Independent Variable: Halophyte seed vs Normal Plant seed. IB Elite Academy online tutors provides hundreds of IB Biology IA ideas at both IB Biology higher level, IB Biology standard level. After use of the cell phone, bacterial contamination of the physicians" hands was found in 38 out of 40 cases.In this experiment of prokaryotes students take samples from their mobiles phones and grow prokaryote colonies on agar plates. Investigation of the functioning of the eyes when using paper or different electronic screens. Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. 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. Investigating how the concentration of RuBisCo in the leaves of a plant species varies with varied exposure to sunlight. The procedure used should be well structured. Posted October 26, 2015. Do individuals of different types all behave in the same way to a stimulus. Click here to learn more. The bacterial component shows more variation, including representation from Acetobacter and Gluconacetobacterto turn ethanol into acetic acid (giving the sour, vinegar flavor)as well as Lactobacilluslactic acid-producing bacteriain some instances. Designed by Harvard tutors to allow you exceed beyond expectations. Independent Variable: Light exposure, Different Species, Atmospheric CO2 concentration, Dependent Variable: Stomatal density (seen under the microscope). . You certainly dont want to miss out on these! The climate is different at different altitudes and the growing season begins later at high altitude. Neither should the idea be too generic and nor too simplistic. , its objectives, partwise breakdown, and what IB expects of you. For this experiment, youll investigate how different variables affect the rate of decay! compare? Get up to 300 bonus credits with our tutoring packages! The effect of techniques used to preserve milk on its ability to support the growth of probiotic bacteria. Experimental setup:Follow this link to find out more about colour blindness and how to investigate it. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. Investigating muscle activity involved when standing on ones toes(Ballet dancers). Reply So there we have it! For example, an idea inspired by how the soil pH affects seed germination could be investigated in a new light; think of other factors controlling/affecting seed germination, and with a focus on quantitative data, you could progress further in your report. Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. Fear not, we have elite Biology tutors that can assist you through the process IB Maths is a struggle for most people going through their diploma. 28, How do different antibiotics interact with the process of seed germination? 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. IB Biology IA: Enzymes Institution GEMS World Academy Level 7 IA (22/25 points) conducted on topic 2.5 (enzymes). There needs to be some clear links to the biology of blood pressure and how exercise affects it. Stomata are the areas of gas exchange in leaves. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. By siging up, I agree to Lanternas About us Topics about Biology, we've collected for you from our best Biology papers samples! Dont panic weve got you covered. All rights reserved. Check out some Physics IA ideas here!11, What is the effect of the salt concentration on germination of different types of seeds? How does a sudden and intensive workout affect the heart rate, and to what extent does warm up have an impact on the maximum heart rate? The choice of physiological features of the body could include heart rate, or pupil size, or skin redness. www.thinkib.net. Can the max performance be measured best using max heart rate or maximum speed? Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the IB Biology Diploma Programme Subject, its objectives, partwise breakdown, and what IB expects of you. Take 10 micro liters of the cultured. Change the different conditions in which the plants are found as well as the species. with current laws and regulations, you can unsubscribe at any time by clicking on the link in It is thought that there may be some aggressive behaviour depending on the qualities of the sportsman, trainer's tactics, and sports fan and media pressure. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). I got a 7 for Biology HL and my IA was awarded a 22/24. This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation.

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