You certainly dont want to miss out on these! How effective are synthetic antibacterial products compared to natural antibacterial products against the growth of Cut bacterium acnes? Read more here, Dependent Variable: Rate of transpiration (measure with a Potometer), Challenges: Getting the plants, Setting up a Potometer. First is to ensure that there is some biology to explain any hypothesis, and that the RQ is firmly focused in the Biology. Avoid this type of investigation, . 4, How does varying the gel concentrations of agarose affect DNA migration through a gel? Keep the research question brief and relevant. assessment, worth 20% of the final assessment, consists of one scientific investigation. Dependent Variable: Ethylene levels, CO2 production, qualitative assessment. A limitation with an experiment that finds the relationship between sodium ion concentration and the rate of neurogenesis in the hippocampus of the brain is that its results are not applicable to other parts of the nervous system. A challenge is to work out the biological reasons behind you hypothesis, and it may be a good idea to branch away from toothpaste to test a specific chemical from the ingredients in the toothpaste. At this point, all apparatus should have been properly set-up and the experimentations should be able to commence. Copyright 2023 Nail IB. Bacteria with a capital B refers to the domain Bacteria, one of the three domains of life. Legal Population growth curves. A quart-sized bowl works great. 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 2.1.2 Salt Doenjang is incubated at different salt concentration, controlled by the amount of sodium chloride dissolved in 100 ml of . Facebook This looks like an interesting topic of study. Some diseases spread through direct contact, others are transmitted by an insect vector. 7, How do the respiration rates of bakers yeast and wine yeast in various sugar solutions compare? 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. This page is a simple list of general biological ideas for investigations. A 125ml bottle of nutrient agar contains enough to fill about 10 petri dishes. Perhaps the muscles with a greater blood flow will cause a different effect to those in the bodies extremities, and what effect could warming up have on the process? The Aim answers Why while the Research Question answers the What. 14, What is the respective change of allele frequency when initial frequencies are manipulated? Independent Variable: Plant species + humidity/temperature/ light intensity, Dependent Variable: Rate of transpiration. http://www.xrite.com/online-color-test-challenge. 13. One idea would be to make a series of soils using active compost and sand. Perhaps some form of experiment using isotonic solutions on slightly dehydrated muscle tissue from a chicken leg, or liver would work. Alcohol is a common active ingredient in many of the commercial mouth washes. Plants also play a significant role in the environment by influencing climate and producing life-giving oxygen. It is imperative to acknowledge the safety protocols as established by IB and consider the ethical aspects of your investigation. How does different concentrations of Gibberellic acid affect the germination of a dolly Parton rose? Of course, you can use any of our topics for free. 12, What happens after the best-by date of dairy products? The use of a transect of transects will be useful for the sampling. 17. To make the experiment more detailed, students can rub collected samples on filter paper to observe which plants present which colors. 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. cactus) and a halophyte (eg. Posted October 26, 2015. These microbes assault the nourishment scraps that stick to, and in the middle of our 2 teeth. Practical work could look at the density of aphids on leaves of different shades, or bumble bee feeding on flowers of different shapes or predator prey interactions etc. The practical methods to germinate seeds and select appropriate salt concentrations will present definite challenges but this is an interesting study for students living near the coast, or in places where salt is applied to the roads in winter. The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. 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 :) Subscribe and get the latest IB guides, notes,news, tips and product updates. It is quite easy to record the number of individual plants / animals of a single species in a river at different distances above and below a possible source of pollution. Registration confirmation will be emailed to you. Perform the relevant analysis, keeping in mind the research question, and conclude. IB Biology curriculum expects you to appreciate scientific problems in a global context with stimulating opportunities, and IB Biology IAs help you accomplish just that. IA is one that has been undertaken with complete zeal and enthusiasm. There are some ethical questions involved too, and parental consent will be essential for any experiments on children. Independent Variable: Different household cleaning products/increasing concentrations of cleaning product. 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. It is very easy to extract DNA at home just using everyday kitchen supplies. 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. Perhaps one of these other variables will be a better variable to investigate instead of music. They are the foundation of food chains in almost every ecosystem. Change the different conditions in which the plants are found as well as the species. This is an interesting quantitative method to estimate glucose concentration. should include all the normal conventions of d.p. Your Research Question and the Aim of the Investigation are separate sub-headings with different implications. | 6, How does sudden change in body position affect heart rate and baroreceptor feedback? 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. Independent Variables: Temperature, Sunlight variation, Skimmed vs Whole, Dependent Variable: Rate of bacterial growth (on agar plates), pH of milk. Test how different household cleaning products affect seed germination! Experimental setup:Place a corn seed in a dark cupboard with a single light source. Before we go looking for IB Biology IA ideas, lets get a clear comprehension of the. Still feeling a bit uneasy about the task ahead? IA Descriptors-1 - IA Descriptors for IB Biology; PDB-101 Molecule of the Month Ribosome; Hardy-Weinberg equation - example; Biology paper 1 HL n19; . Passion is fundamental in research, after all. 30 Biology IA topic ideas to get your lab report started! These five biology research topics are for graduate-level students, catering specifically to those in top programs around the country: What evidence is there of a pandemic that can wipe out half of the world's population? promotional emails that we send to you. I investigated the change in mitotic index that occurred in onion root tips when they germinated in solutions of differing K+ ion concentration. Independent Variable: Age, Tiredness, Gender, Eye Colour. The procedure used should be well structured. 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 could be some biology theory applied to the plants leaves, or roots. Topics about Biology, we've collected for you from our best Biology papers samples! The internal assessment, worth 20% of the final assessment, consists of one scientific investigation. On this note, we wish you all the very best for your IB Biology IA Journey :). A clear RQ is essential and there are quite a few possibilities. Experimental Setup:Grow germinating seed in environments with different types of diluted antibiotics, see how many succeed in each environment. The development of biotechnology. 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. Give us the email address you use to log in to Lanterna and well send you instructions for resetting your password. 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. In paper 1 there are 30 (at SL) or 40 (at HL) multiple-choice questions. Before we dive more in-depth, you might want to check out our, to own your Biology SL papers! Toothpaste is supposed to block bacterial growth. Need inspo for Physics too? 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. By siging up, I agree to Lanternas Another difficulty will be to devise a way to measure the extent of fruit ripening, or softness. reply. 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. If the algae is green, then the maxima should be over in . http://globalhealthgovernance.org/blog/2017/12/1/how-to-find-data-on-infectious-disease-outbreaks, Heres a useful link for ventilation rates. Narrow down the subject. Avoid any investigation where you are getting friends to drink Gatorade and measuring some unrelated but easy to measure factor, like pulse rate. Probiotic Frozen Yogurt W. Tungrugsasut1*, C. Wiwat2, V. Srisukh1, K. Thoophaew1, and P. Tippawat1. How do natural antiseptics (ginger and turmeric) compare with commercial antiseptics in the inhibition of growth of e. coli bacteria? 3. . . location on shore. Heres a useful link for ventilation rates. 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. 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. IB Biology IA Ideas wont strike out of the blue, but heres a list of 30+ IB Biology IA ideas to inspire and stimulate your grey cells! The different pH levels are pH 1, 3, 5, 7, 11, and 14. watch this thread. While there is a considerable challenge in designing apparatus and growing plants the idea of using plants to filter the water in 'ecological' swimming pools is quite well established. classes to learn/preach! which are specifically designed for self study and revision.

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