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Since December 2025
Instructor since December 2025
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Biology and Life Sciences - Classes to level knowledge of Biology and Sciences for Secondary and High School students
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From 56.58 C$ /h
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Biology and Science classes for ESO and Bachillerato

I offer personalized classes in Biology, Natural Sciences, Physics and Chemistry (basic, intermediate and advanced levels), focused on reinforcing content, improving academic performance and fostering critical scientific thinking.
I use up-to-date materials, practical exercises, simple experiments, and digital resources to facilitate understanding of the concepts. Classes can be for ongoing support, exam preparation, or intensive reinforcement.

Are you a foreigner student in Spain and need science classes in English/Spanish? -> I offer personalized classes in Biology, Natural Sciences, Physics, and Chemistry (basic, intermediate, and advanced levels), focused on reinforcing content, improving academic performance, and fostering critical scientific thinking.


👨‍🏫 Methodology
• Clear explanations tailored to each student
• Visual resources (concept maps, diagrams, animations)
• Interactive exercises and continuous reinforcement
• Customized materials according to academic needs
• Progress monitoring and communication with families (if desired)
--------

📘 Courses and classes for ESO (Compulsory Secondary Education)

Natural Sciences (1st–4th ESO)

This course is designed to help you understand the natural world: living things, ecosystems, human anatomy, energy, matter, and chemical changes. Everyday examples, simple experiments, and visual activities are used to reinforce complex concepts.

Biology and Geology (3rd–4th year of ESO)

Focused on cell structure, basic genetics, biodiversity, geology, Earth dynamics, and sustainability. Ideal for students looking to improve their scientific foundation or prepare for the transition to high school.

General reinforcement in Science

For students who need to improve study habits, organization, problem-solving, summarizing, and exam preparation.



📚 Courses and classes for High School

Biology (1st and 2nd year of High School)

Classes focused on official curriculum content: biochemistry, cytology, molecular genetics, human physiology, microbiology, biotechnology, and ecology. Includes specific exam preparation, scientific text analysis, and practice exercises similar to the EBAU (University Access Assessment).

Earth and Environmental Sciences (CTMA)

Study of climate dynamics, natural resources, sustainability, environmental impacts, and land management. Perfect for students seeking to improve their understanding and gain an applied perspective on the environment.

Preparation for the EBAU / University Entrance Exam

Intensive course with:
• Summaries structured by topic
• Official exercises from previous years
• Examination techniques
• Explanation of key models and processes

🔬 Special courses / Optional workshops
• Introduction to modern genetics and biotechnology
• Scientific Method for Students
• Home microbiology workshop (safe, basic level)
• Introduction to bioinformatics (very basic level)
• Support in research work (4th year of ESO and Baccalaureate)
Extra information
Ideally, a summary of the content being covered in class and a brief preliminary assessment of the weak points to be addressed should be included. This allows for the preparation of personalized content for each student and the development of a support methodology.
Location
location type icon
Online from Spain
About Me
I am an active postgraduate student with extensive scientific training and academic experience in areas such as genetics, biotechnology, microbiology, ecology, and health sciences. My teaching approach combines conceptual rigor with a close and human approach. I consider myself a friendly but serious professor, committed to the student's real progress and to creating a safe environment to learn without fear of making mistakes.

I have a genuine vocation for teaching, especially aimed at students seeking other learning methods: curious young people, students who are easily distracted, students with academic blocks, or those who believe that "science is not for them." I am passionate about demonstrating that anyone—with the right guidance—can understand and enjoy even the most complex topics. I use updated materials, practical exercises, simple experiments, and digital resources to facilitate the understanding of concepts. Classes can be for continuous support, exam preparation, or intensive reinforcement.
Education
I hold a degree in Biotechnology Engineering and a Master's degree in Biotechnology and Life Sciences, both obtained from the Universidad Andres Bello in Chile. I am currently concluding research projects in Spain, with intentions to pursue a PhD in the future.
Experience / Qualifications
- Graduated with honors (Engineering) in Biotechnology, ranking 4th out of 33 in the graduating class.
- Graduated with honors, Summa Cum Laude, ranking 2nd out of 7 in the graduating class.
Age
Children (7-12 years old)
Teenagers (13-17 years old)
Adults (18-64 years old)
Seniors (65+ years old)
Student level
Beginner
Intermediate
Duration
30 minutes
45 minutes
The class is taught in
Spanish
English
Availability of a typical week
(GMT -04:00)
New York
at teacher icon
Online via webcam
Mon
Tue
Wed
Thu
Fri
Sat
Sun
00-04
04-08
08-12
12-16
16-20
20-24
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My commitment to student success goes beyond just teaching content. I aim to inspire a love for learning and self-improvement in each of my students. Many of my former students have gone on to achieve their academic goals, securing places at prestigious universities and programs. Their success stories are a testament to the effectiveness of my tailored approach and the dedication I bring to each tutoring session.

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2.I will make sure that I explain all the steps required per topic.
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5.I also share useful study tips to make you excel academically.

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I look forward to be your Tutor.Don't forget to share your review after the lesson/s.I thank you.
Best regards,
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The authenticity of an exchange. In a society increasingly rooted in a competitive approach, where automated exchanges with Artificial Intelligence cannot replace the need for human interaction, this is precisely what we lack.
As a lawyer by training and an independent legal consultant, creating the Right is a breath of fresh air. This tutoring program is aimed directly at middle school students who are struggling with the following subjects: French, Mathematics, Science, History, and Languages (English and Spanish).

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Regarding my teaching experience in legal subjects, I invite you to consult my other course offering dedicated to this subject and also published on Apprentus.

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Beyond this desire for authenticity, it seems particularly important to dismantle the prejudices that poison the perception of students experiencing difficulties. To ensure the smooth running of this lesson and to help the student feel as comfortable as possible, it is essential to remember that the foundation of all conversation and understanding remains listening. Listening to one's equal, regardless of age.

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1st lesson is backed
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Chiwila
As a dedicated tutor with extensive experience in preparing students for standardized exams such as the SAT, GMAT, and SSAT, I understand the unique challenges that each of these tests presents. My approach is comprehensive and focuses on building a strong foundation in critical areas such as Mathematics, Quantitative Reasoning, Verbal Skills, and Analytical Writing. Each program I develop is tailored to the specific requirements of the exam, ensuring that students are well-prepared and confident on test day.

Having a deep understanding of the test formats and question types allows me to provide personalized strategies that target each student's individual strengths and weaknesses. I believe that every student has a unique learning style, and my goal is to enhance their test-taking skills while improving their time management. By fostering a supportive learning environment, I aim to boost students' confidence and empower them to achieve top scores.

My tutoring sessions incorporate a variety of effective methods, including real exam questions and timed practice tests. This hands-on approach allows students to familiarize themselves with the types of questions they will encounter, making the actual exam feel less daunting. I teach proven techniques for tackling even the most challenging problems, ensuring that students feel equipped to handle any question that comes their way.

One of the key components of my tutoring is helping students develop effective study habits. I provide guidance on creating a structured study plan that maximizes their preparation time and aligns with their personal goals. This structured approach not only keeps students on track but also helps them build a sense of accountability, which is crucial for success.

In addition to academic preparation, I also focus on the psychological aspects of test-taking. Many students experience anxiety leading up to exams, which can affect their performance. I teach relaxation techniques and mental strategies to help manage stress, allowing students to approach their exams with a calm and focused mindset. By addressing both the academic and emotional challenges of test preparation, I equip students with a well-rounded toolkit for success.

Feedback is an essential part of the learning process, and I make it a priority to provide constructive and actionable insights during our sessions. After each practice test, I conduct a thorough review of the results, highlighting areas for improvement while also acknowledging progress. This continuous feedback loop helps students understand their growth and keeps them motivated throughout their preparation.

My commitment to student success goes beyond just teaching content. I aim to inspire a love for learning and self-improvement in each of my students. Many of my former students have gone on to achieve their academic goals, securing places at prestigious universities and programs. Their success stories are a testament to the effectiveness of my tailored approach and the dedication I bring to each tutoring session.

If you're looking to master the SAT, GMAT, or SSAT with confidence, I invite you to book a session now. Together, we will develop a customized learning plan that suits your individual needs, ensuring that you are not only prepared to face the test but also equipped to excel and reach your highest potential. With my guidance and your commitment, we can achieve outstanding results. Let’s embark on this journey to success together!
verified badge
Michael
Expert Science & Chemistry Tutor – IGCSE | A-Level | IB | KS3
Online & In-Person Lessons Available in Madrid.

Are you looking for a dedicated, experienced, and results-driven science tutor to help you or your child excel in school or exams? Whether you're preparing for IGCSE, A-Level, IB, or Coordinated Sciences, I’m here to help you achieve your goals.

✅ Subjects Offered:

Chemistry (IGCSE, A-Level, IB, Edexcel, AQA, Cambridge)

Coordinated Sciences (Double Award)

General Science (KS3 & KS4)

Exam preparation and lab skills (Paper 3/ practical-based support)

🧪 About Me:
I’m a qualified and passionate science teacher with over 10 years of experience teaching in international schools across Spain, the UK, and the Middle East. I currently work at a leading international school in and specialise in Chemistry and Coordinated Sciences.

🌟 What You’ll Get:

Personalized 1:1 support tailored to your learning style

Exam-focused strategies to boost confidence and grades

Simplified explanations of complex topics

Friendly, patient, and engaging lessons

Help with homework, projects, revision, and lab reports

📍 Location:

Online worldwide via Zoom/Google Meet

In-person in Madrid, flexible hours available

🎯 Who is this for?

Students aiming for top grades in science and chemistry

Those who need extra support understanding key concepts

IB or A-Level students needing help with Internal Assessments or lab work

📩 Message me today to book your first lesson or ask any questions. Let’s boost your science skills and exam success together!
verified badge
Mahmoud
Hello students! Do you find it difficult to learn science subjects, especially chemistry? This may be because chemistry contains some difficult or complex concepts or terms. If you are one of these, do not worry!! Hello and welcome to you, my students, in the right place to solve this problem through simplifying science lessons, especially chemistry. Through these lessons, we will learn together how to deal with difficult-to-understand matters and terms, because I have extensive experience extending to more than 15 years in conveying complex concepts in a clear, easy and simple way. My goal is to make science and chemistry in general and organic chemistry in particular wonderful and understandable for everyone. As a dedicated teacher, I create an interactive and stimulating learning environment for my students using the latest methods. I am ready to share my passion and guide each student towards excellence and success in the field of science and organic chemistry and in studies in general, as I work as a student advisor in an international institution. In addition, I have excellent communication and presentation skills and am patient and calm when teaching. In addition, I constantly follow up on my students' progress and regularly evaluate their understanding through continuous solution of objective questions, as I care more about understanding than memorization. On the other hand, I also maintain good follow-up with parents. My teaching approach is directed towards achieving the highest results, with a focus on helping students understand and master information.

For university students or master's and doctoral students, I teach the course of natural product chemistry or phytochemistry. In this course, we will learn about the methods of extracting, separating and identifying the chemical form of active chemical compounds (biologically active secondary compounds) from natural sources, such as medicinal and aromatic plants. We will also discuss what is known as chromatography, spectroscopy devices, spectroscopy, mass spectrometry and magnetic resonance analysis. In addition to knowing some important applications of these active materials in various fields, such as the pharmaceutical industry, agriculture, etc. We will also learn the practical methods that are carried out in the laboratory to conduct toxicity, antioxidant and diabetes analyses, etc.

Finally, "for those interested in scientific research" there is a course dedicated to knowing what scientific research is, how to choose a research point, how to write scientific research and how to find the appropriate journal for publication and everything related to this topic.

Experience: About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants and pharmacy with parallel training and private lessons for chemistry curricula.

With my qualifications and experiences, as I hold a master's degree and a doctorate in organic chemistry (chemistry of natural products), in addition to other postgraduate certificates and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mundus organization affiliated with the European Union.
verified badge
Kelvin
Hi, Tutor Kelvin here your Maths Tutor.

MATHS;
Many students fail Maths because of already defeated mindset about Maths and unsharpened analytical skills.
As an experienced Tutor, my aim is to bridge in that gap.That's to make sure no student must ever be troubled with a concept that has a solution .

Topics to be covered in MATHEMATICS are:
•Types of Numbers
•Algebra
•Sets
•Indices
•Fractions
•Functions
•Trigonometry
•Equatioms
•Probability
•Transformations
•Geometry
•Proportions
•Exponential and Decay Curves
•Distance time Graphs
•Mensuration
•Properties of a Circle
•Statistics

Q.Why you will love Maths after the lessons?
1.I will help break down concepts to the level of your understanding.
2.I will make sure that I explain all the steps required per topic.
3.At the end of the day, I could've made sure you know and understand the requirements for each question.This will be achieved by exposing you to final examination papers.
4.I make sure I teach all the topics based on the syllabus.
5.I also share useful study tips to make you excel academically.

NOTE; I am a straight forward Tutor who strives to bring out the best in every student on time.I am always innovative by using interactive mode of Teaching Methodology.

I use well structured notes and past papers.Once I teach my student/s a topic, I make sure the lesson is concluded by attempting Examination Questions together.
In addition, each lesson takes 1 hour (60 minutes) duration.That time , is fair enough to have had all the lesson objectives met.


Booking me for a class guarantees excellent grades.
I look forward to be your Tutor.Don't forget to share your review after the lesson/s.I thank you.
Best regards,
~Kelvin
verified badge
Le
The authenticity of an exchange. In a society increasingly rooted in a competitive approach, where automated exchanges with Artificial Intelligence cannot replace the need for human interaction, this is precisely what we lack.
As a lawyer by training and an independent legal consultant, creating the Right is a breath of fresh air. This tutoring program is aimed directly at middle school students who are struggling with the following subjects: French, Mathematics, Science, History, and Languages (English and Spanish).

Moreover, being currently preparing for the entrance exam to the National School of Magistrates and passionate about the beauty of multidisciplinary learning, the school program is being reviewed extremely regularly.

🎓 It is now necessary to elaborate somewhat on my experience:
4 years already dedicated to private lessons (which is significant) via the organization Complétude as well as independently (Law, French, Mathematics, Sciences, History and Languages), and this at all levels (primary, middle school, high school, university students and adults).

Regarding my teaching experience in legal subjects, I invite you to consult my other course offering dedicated to this subject and also published on Apprentus.

👋 What about my teaching approach, you might ask?
Beyond this desire for authenticity, it seems particularly important to dismantle the prejudices that poison the perception of students experiencing difficulties. To ensure the smooth running of this lesson and to help the student feel as comfortable as possible, it is essential to remember that the foundation of all conversation and understanding remains listening. Listening to one's equal, regardless of age.

💬 Wouldn't you be interested?
Please feel free to contact me by message and I remain available to discuss the frequency of classes and their modalities (in-person in Tours, videoconference and possibility of travel if necessary).

In the meantime, ladies and gentlemen of the college, it would be a real pleasure for me to accompany you as best I can on the path to success!
Good-fit Instructor Guarantee
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Contact Diego