Perhaps another research question will be better, something linked to hormones, or to physical activity. By testing people of different ages to see if there is a difference in their reaction time it may seem like a simple study, but there are a lot of factors which need to be controlled and it will be difficult to find enough participants to create a large enough data set. IB Biology IA, EE on enzymes kinetics amylase using Visible spectrophotometer EE and IA on enzyme study is safe, easy and doable for IB students Starch digestion using Amylase Source for amylase from bacteria, malt or salivary amylase. Comparing the Carbon Dioxide levels in the air exhaled after and before workout sessions. there Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew These proportions make enough nutrient agar to prepare two petri dishes. This is nice project if there is a specific environmental gradient in the site being investigated. 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. 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. Student work is internally assessed by the teacher and externally moderated by the IB. If some abiotic factors can also be recorded including the pollution level, eg nitrate level, BOD, turbidity etc. This is a list of possible sites for students to use as online labs. The best investigations will have a biological reason why there might be a correlation between the IV and the DV. Introduction The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. 30, Exploring mollusc shapes with regards to an external variable e.g. 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. 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. Lost your password? 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. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24. Experimental setup:In this experiment, you will expose seeds in a germinating environment to different household products solutions at increasing concentrations. Registration confirmation will be emailed to you. Here the challenge is the exploration section. Biology Labs Online have the potential for making biology education more interactive, effective, and fun!Biology Labs Online is a collaboration between the California State University system and Pearson, Inc.You can access these here https://sciencecourseware.org/BiologyLabsOnline/ (Thanks to Sarah Kelley for the link), Lab bench fly breeding lab Breeding Drosophila, fruit flies. Maybe you can suggest that to your teacher? location on shore. The first step consists of spitting on the glass and adding a pinch of salt to it. Of course the underlying processes are controlled by enzymes, or the fruit ripening hormone ether. 10, Can we slow down the decaying times of vegetables? . 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. Challenge: Gathering enough data, Pollution affecting species growth. 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 What's IB IA Program? 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. Using paper chromatography to analyse the various dyes present in different brands of jelly candy. They found that they could propagate their leavening by saving a bit of unused dough to sow the . Bacteria are single-celled microorganisms with prokaryotic cells, which are single cells that do not have organelles or a true nucleus and are less complex than eukaryotic cells. Does the behaviour of an animal change as the population increases? If the algae is green, then the maxima should be over in . This would be a challenge and it would require some research before beginning. Independent Variables: How temperature affects transmission viral diseases, How different methods of transmission affect rates of spreading, Challenge: Statistical analysis Website with loads of data on infectious disease: http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Use online colour vision tests to see how different factors affect colour blindness. How do halophyte seeds respond to increasing salt concentrations compared to normal seeds? It is all the same when choosing that one Biology IA idea from a platter full of inspiration. Reference to Course: Molecular Biology(Enzymes). Investigating how tuberculosis's Incidence is related to a countrys Human Development Index(HDI) level. What are you waiting for? Remember, the Independent variable is one that you are allowed to change(just one); the Dependent variable is one that you measure as it changes with the Independent variable; all the other experiment conditions must be kept constant to ensure that the experiment is fair. classes to learn/preach! The development of biotechnology. Bacterial Growth and Nutrition | Biology Ideas | Microbiology Media June 22, 2021 by Ruturaj Mundhe Culture media and Bacterial Growth Bacterial Growth and Culture media are solid, semisolid, and liquid nutrient preparations employed for the cultivation of microorganisms. with current laws and regulations, you can unsubscribe at any time by clicking on the link in cactus) and a halophyte (eg. There are lots of practical problems to overcome, most importantly how to change the soil so that it has different amounts of respiration. 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. For this experiment, youll investigate how different variables affect the rate of decay! Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. But how do we get started on a lab report and, crucially, what should we write about? IA Review. Legal Starting at deep purple, and ending at far red, write down the A values. Challenges: Being consistent in assessing the fruit ripeness. Experimental setup:Choose different types of toothpaste/mouth-rinse and create diluted solutions of them (mix them with water). Dependent Variable: Degree of growth of plant towards a light source. 2, Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? The milk that they are added to can be preserved in certain ways before the bacteria is added and the growth My IA was on bacteria by the way if you have any questions. Get for free what others have paid $100s in tuition Copyright 2023 Nail IB. Click here for top-notch IB resources or here to assess how your prep is going! Comparing the buffering actions of various substances: antacids, milk, sodium bicarbonate, sodium carbonate, detergents, etc. 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. On this note, we wish you all the very best for your IB Biology IA Journey :). You. , its objectives, partwise breakdown, and what IB expects of you. In some other cases E. coli can also cause urinary tract infections. IA investigation - teacher's marking activity, Metabolism Respn & Photosynthesis test HL, Metabolism Respn. Does it matter what type of light the plant is exposed to affect the growth of auxin? Athletes perform better if they warm up properly before an event. You have to show that the data has been carefully selected, and that measures have been taken to ensure that other factors which might affect the data have been controlled, by careful selection of the data used. IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . Antibiotics are used to treat plants for bacteria. 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. The biological explanation of why blood pressure might change when reading may be tenuous. 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. If youre struggling with the Paper 2 Data Based Questions, we also have a post about that here. IA Overview. 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. Click here (amylase) or Click here ( pancreatin amylase) from Carolina. State your hypothesis; it is important in the context of your research. Stir these together well: -teaspoon agar (1 1/5 grams) Experimental setup:Find a xerophyte (eg. While having multiple trials is necessary for the investigation, each trial should also have multiple samples. Despite so, there are still some that can cause bloody diarrhea, severe anaemia or kidney failure, all in which can lead to death. 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. Browse. 18, What is the effect of isotonic drinks on rehydration and recovery after exercise? Browse these for more information! Math solutions -. This FREE guide reveals the most powerful information for boosting your extended essay score and This is a simple idea, but the explanation is more complex, and this might be the challenge of this particular investigation. Download our 2022 Biology IA Guide (Checklist) to help write the perfect Internal Assessment. Testing global warming: How does CO2, water vapour, oxygen, or any other variable affect temperature inside a cutoff bottle exposed to simulated sunlight? Investigating muscle activity involved when standing on ones toes(Ballet dancers). The challenge will be in deciding which concentrations to test and in explaining the results. 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. Is there an optimum intensity of warm up to achieve best performance? Of course, you can use any of our topics for free. Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. This could be compared to listening to music where research has been done to establish that pulse rate can be affected by music. 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 . 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! The easiest way to solve it is to simply ask your teacher whether it will be possible, if you have good arguments they may let you do it Reply Posted June 10, 2015 Our bio teacher informed us we can do IAs involving bacteria as long as we use the incubator in the school, under his supervision. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. One possible solution is to measure another (or some other) factors about the body and look for a correlation. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? How does stomatal density change according light exposure of red and blue light? 14, What is the respective change of allele frequency when initial frequencies are manipulated? They investigate the hypothesis that. Independent Variable: Age, Tiredness, Gender, Eye Colour. 16. It is very easy to extract DNA at home just using everyday kitchen supplies. Selecting an IBxq Biology IA idea has never been easier! Independent Variable: Temperature/Psychological Stress (scary movies? Check out this link for more details, Independent variables: Age of participant/Age + sensory stimuli (how to hearing, seeing and touch-based reaction rates change), Dependent Variables: Time taken to catch ruler between fingers /Time taken to clap when they see light, Challenges: getting enough people to get reliability, controlling variables, Different diseases spread at different rates in different weather conditions depending on how they are passed between organisms (Skin contact, Blood-Blood contact, Cross-species barriers). How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? Comparing boys and girls for example will be impossible, unless the sample size is very large. Narrow down the subject. Independent Variable: Halophyte seed vs Normal Plant seed. Click, See Once spread on the soil, compost and manure are broken down into minerals by decomposing bacteria and fungi, as well as by . Level of destructive aggression, recklessness and aggression in general of team sportsmen is higher than individual ones. The challenge is really how to control the temperature of the fruit (or the light) for a long period of time, perhaps 2 weeks. The practice of making sourdough is as ancient as bread itself. Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. NOTES: Probiotics eat the lactose in milk through fermentation. 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. 15. Can the max performance be measured best using max heart rate or maximum speed? In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. The performance in internal assessment at both SL and HL is marked against common assessment criteria, with a total mark out of 24. . Dependent Variable: Respiration Rate (measure with respirometer or gas probe detecting CO2 formation. It may even be possible to find a database of measurements of children of different ages. As the cell membrane disintegrates, alcohol can then enter the cell and . How does the shade of a leaf relate to the composition of photosynthetic pigments it contains? The importance of agricultural microbiology. Facebook Extract your own DNA. How do different kinds of toothpaste compare? The distinctive features of human physiology. To make matters worse, on top of just doing the dreaded maths exam, were also expected to write a Maths IA exploration into a topic of our choice! We have a team of awesome tutors ready to help you ace the IB. 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.
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