IB SL & HL Biology Internal Assessment Topics
The pain of struggling with biology IA ideas is genuine, and we get it. There is so much out there, and you may find yourself in a position where you are caught between two topics and do not know which one to choose for the IB IA biology essay.
In this blog, our PRO IB team decided to avoid vague “how-tos” and dry theories, so we focused on the main crucial points when selecting a topic for your IB Biology IA. So fasten your seatbelts, because this article will narrow down a couple of ideas you can use for your SL or HL assessment to help you with biology IA ideas.
You can request a custom suggestion of a Biology IA topic from our IB IA experts, or you can spend several minutes of your time, read this article and find awesome suggestions for your next IA.
When it comes to writing the biology IA, finding the perfect topic is really important. In fact, it is THE most important aspect you need to keep in mind when working on your IB biology internal assessment.
Having that said, there is a pool of biology IA ideas you can choose from. With IB IA, there are some particular points you need to keep in mind, such as IB biology IA length, criteria and more. Before we get to the biology IA topics, let’s quickly go through these points first.
The requirements for internal assessments are the same for three subjects: physics, chemistry, and biology. Internal assessments make up for 20% of the grade and are all about scientific writing and research. The work produced by students is assessed internally by the teacher first, and it is then moderated externally by the IB. At SL and HL levels, the performance is rated concerning a defined assessment criterion which is marked out of the score of 24.
This post was inspired by numerous searches in different Q&As and forums for good Biology IA Topics advice. After numerous searches, I understood that there is a need for updated information for those students who are searching for topic SUGGESTIONS, not theoretical information on how to create a topic for their IAs in Biology. So let’s move to the practical part. The one you have searched for, am I right?
Remember! With a tough topic comes responsibility and tough nights without sleep, therefore, choose your topic wisely!
Now that we have that out of the way, let’s discuss the potential IB IA biology ideas and topics for your essay. With every topic that is listed as followed, you would need to look into the basic reasons on why and how you will investigate the topic. You need to come up with possible dependent variables and independent variables alongside the experimental setup. Essentially, you need to consider that if you can apply the topic in your regular life and have any personal motivation towards to topic you go for.
Biology IA Topic Ideas:
- Does our reaction time reduce with our age?
- Describe the primary productivity of algae changes for nutrients, salinity, aquatic plants, algae concentration, or other additional variables.
- How can we reduce the decaying of vegetables? Can exposure to sunlight, humidity, temperature affect the way and speed vegetables decay?
- How can we compare the buffering actions of detergents, juices, yogurt and milk?
- How can we compare the respiration rates of wine yeast in different sugar solutions and baker’s yeast?
- How do the sudden changes in the position of body affect the baroreceptor feedback and heart rate?
- What are the BMI effects on skin surface temperature in different areas of the body and their recovery rate when exposed to cold?
- What is the effect of agarose gel concentration on DNA migration?
- What happens to dairy products after their best-by date?
- What is the impact of river pollution on the lifeline of marine life?
- The effect of light and temperature on the ripening of fruit.
- Exploring the different conditions and stomatal density.
- Exploring the effectiveness of different types of toothpastes.
- Biomass and the effect of sunlight.
- Looking into global warming: how does oxygen, water vapor and CO2 (or any other variable) affect cut-off bottle and temperature under simulated sunlight.
Ready to choose a good IB Biology IA Topic?
When choosing the IB IA biology topic, you need to make sure it is a topic you are motivated for. The experiments are long, and the writing part is even longer. It is essential that you go for a topic you are passionate about so it does not look like a hassle but that you enjoy doing it as well.
You can choose any of the topics from the above-listed ones. You can always test different variables and perhaps that will give you the direction you are looking for. Remember, the essay holds 20% of your grade. You definitely need to commit to the essay to the fullest and that starts with focusing on the topic which aligns with your interests the most.
For those interested in writing a Math IA, we have also written an article and provided a list of the best IB Math topics for students who want to succeed.
Moreover, if you decided to ask for expert assistance, you can always call our IB IA writing service, where our expert IB writers will guide you through the process of writing a custom IB Bio IA in a manner of time.
Hope this blog post helped you in finding the topic you are looking for! And wish you good luck with your writings. May the force be with you, my friend 😉
Vasy Kafidoff is a co-founder and CEO at Writing Metier, who has a keen interest in the academic world and technology. He is a cryptoromantic and blockchain enthusiast for more than 4 years now, and he is excited about the way technology shapes financial and educational systems. Check his personal blog to find more tips on writing.
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