Science and biology with professional expertise online with Dr. Ahmed

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From 19 C$ /h

Online lessons with Dr. Ahmed

Medical graduate with complete mastery of the science and biology curriculum

Comprehensive solutions to all questions, along with similar questions

Continuous exams on each unit or chapter at the end of the term

Extended session every three weeks to review any material that requires explanation

For students worldwide, any part of biology or medicine

Location

Online from Egypt

About Me

My slow way and deeply information help student keep the important information in their mind for forever
Photo for biology structure make it easy to remember
Easy way in chemical equation to understand who to breakdown and synthesis

Education

Biology student
Early science students including basic chemistry physics and biology basics
From start level till University
Medical anatomy and pathology student

Experience / Qualifications

10 years teaching for student either lecture online or lecture in class with great results for all my students in all exams

Age

Teenagers (13-17 years old)

Adults (18-64 years old)

Student level

Beginner

Intermediate

Advanced

Duration

60 minutes

90 minutes

The class is taught in

Arabic

English

Skills

Science

Biology

Availability of a typical week

(GMT -05:00)

New York

Online via webcam

Mon

Tue

Wed

Thu

Fri

Sat

Sun

00-04

04-08

08-12

12-16

16-20

20-24

Medical physiology and pathology online lectures for medical student

19 C$ /h

Professional online lecture in medical. Physiology and patholigy

Enjoy studying medical Preparatory part of physiology and patholigy that help you as medical student in clinical study

Physiology and pathology is most important gate to be good doctor

Join me

Mavi

5.0

(22)

I am Mavi, a physics engineer working at an aerospace company.
I have been teaching private lessons at the primary, secondary, high school, and university preparatory levels for 11 years. I teach mathematics, physics, chemistry, and science. I have a good command of the curricula of IB, IGCSE, American, Hong Kong, and international schools.

Additionally, I hold the position of president at the Astronomy Society, where I foster my students' interest in astronomy and science beyond the lessons. I prepare the learning environment by incorporating experiments and exploration, moving away from rote education. I often bring experimental materials to class, aiming to make learning memorable through hands-on experiments.

As an educational mentor, I approach my students as if they were my siblings, valuing creativity. I have a deep passion for mathematics, physics, and science. I am dedicated to helping students understand and learn because life encompasses both SCIENCE and ART. The more people I can inspire to know, understand, and love mathematics, physics, and chemistry, the more proud I am.

Are you curious about how nature works?

Let's explore together!

Mohamed

5.0

(22)

Physics and chemistry are fundamental subjects for success in entrance exams for prestigious universities and selective programs. A solid grasp of the concepts, combined with effective methodology, is essential for achieving good results.

I offer specialized support to prepare for entrance exams to top universities and strengthen your scientific foundations. My goal is to help you fill in any gaps in your knowledge, consolidate your existing skills, and develop rigorous scientific reasoning.

✅ Review of essential concepts in physics, chemistry and mathematics
✅ Methodology for solving exercises and time management
✅ Intensive training with exercises and exam-style questions
✅ Personalized support tailored to your level and goals

As a young researcher passionate about science, I offer you a clear and structured educational approach to help you progress effectively and succeed in your competitions.

📩 Feel free to contact me for more information.

5.0

(22)

Chemistry Calculations Masterclass | IGCSE & IB

### Master Chemistry Calculations and Maximize Your Exam Marks

Do you understand Chemistry theory but struggle when you face calculation questions?

Do you lose marks because of **formula selection, unit conversions, mathematical steps, significant figures, or poorly structured working**?

This masterclass is designed specifically for **IGCSE and IB Chemistry students** who want to build strong confidence in quantitative Chemistry and improve their exam performance.

I’m **Dr. Basil**, a Chemistry tutor with **10+ years of experience teaching international curricula**, including IGCSE, IB, GCSE, A-Level, and American Chemistry. With a background in Pharmacy and Quality Management, I use a systematic, step-by-step approach that helps students understand not only *how* to calculate the answer, but *why* each step is required.

### What You Will Master

**Core Quantitative Chemistry – IGCSE & IB**

• The mole concept and Avogadro's constant
• Relative atomic mass and relative formula mass
• Molar mass calculations
• Balanced equations and stoichiometric calculations
• Limiting reactants
• Percentage yield and atom economy
• Empirical and molecular formulae
• Gas volume calculations
• The ideal gas equation
• Concentration calculations
• Dilution calculations
• Titration calculations
• Reacting masses and volumes

**IB Chemistry – Additional Skills**

• Uncertainty calculations
• Percentage uncertainty and percentage error
• Significant figures and decimal places
• Data processing and evaluation
• Uncertainty in experimental results

### How We Work

Rather than simply memorizing formulas, you will learn a **repeatable method for solving Chemistry calculations**:

**Understand → Identify → Choose the equation → Substitute → Calculate → Check → Give the correct units**

We will work through progressively more challenging problems and use **IGCSE/IB-style exam questions and past papers** to develop speed, accuracy, and exam technique.

### This Masterclass Is Ideal For Students Who:

✓ Struggle with Chemistry calculations
✓ Understand the theory but cannot apply it to questions
✓ Make frequent calculation or unit-conversion errors
✓ Find stoichiometry and mole calculations difficult
✓ Need help with titration and concentration problems
✓ Want to improve their exam technique
✓ Are preparing for IGCSE or IB Chemistry exams
✓ Want structured practice and targeted feedback

### What You Can Expect

✓ Clear, step-by-step explanations
✓ Personalized instruction based on your current level
✓ Extensive calculation practice
✓ Exam-style questions and past-paper practice
✓ Identification and correction of recurring mistakes
✓ Guidance on showing working clearly to earn method marks
✓ Strategies for checking whether your answer is reasonable
✓ Focused preparation for IGCSE and IB examinations

**The goal is not simply to memorize Chemistry formulas — it is to develop the confidence and problem-solving skills to approach unfamiliar calculation questions successfully.**

Book a lesson and let's turn Chemistry calculations from a source of lost marks into one of your strongest areas.

Rania

5.0

(22)

I'd like to start by greeting everyone who is reading this and then briefly discuss the teachings I'm providing. Going to medical school is a major step, and while becoming a doctor may have been a big dream of yours, things unfortunately didn't turn out the way you had hoped. You didn't receive what you eagerly want following your bac. I'm here to tell you that earning your bac is just the first step on a longer journey. You have another opportunity to fulfill your lifelong ambitions. What role do I play in this? as someone who has been in your position and ultimately obtained what I want. We will have a customized plan that fulfills your needs, we will correct any unsuccessful methods and build new ones, and I will lead you through the program at every stage.

Chiwila

5.0

(22)

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!

Robert

5.0

(22)

As a Franco-Belgian teacher, I offer private lessons in physics, chemistry and biology for secondary and higher levels. I specialize in secondary level up to 5th year Belgian.

I travel, if necessary, to your home in the Brussels region as well as in Walloon and Flemish Brabant, with a minimum course duration of 2 hours. With extensive experience, I offer numerous exercises to consolidate knowledge. Distance learning is also possible via platforms such as Skype, Facebook, etc. For students in France, lessons are done exclusively remotely.

Do not hesitate to contact me to organize your lessons according to your needs and availability. I am here to help you strengthen your skills in these subjects in an effective and personalized way. Courses tailored to your needs will allow you to progress quickly.

Poonam

5.0

(22)

Unlock your full academic potential with personalized, engaging, and effective lessons in Mathematics, Physics, Biology, Chemistry, and English. My classes are designed for students who want to not only excel in their studies but also develop a deep understanding and love for these subjects. Whether you're preparing for exams, struggling with specific concepts, or looking to advance your knowledge, this class is your gateway to success!

What You'll Get:

Tailored Learning Experience: Each lesson is customized to fit your unique learning style and academic needs. I break down complex topics into easy-to-understand concepts, ensuring you grasp the fundamentals and build a strong foundation.

Interactive and Hands-On Learning: Say goodbye to boring lectures! My classes are dynamic and interactive, filled with practical examples, problem-solving sessions, and engaging discussions that make learning enjoyable and memorable.

Comprehensive Subject Coverage: From mastering equations in Mathematics to exploring the wonders of Physics, Biology, and Chemistry, and refining your English skills, this class covers it all. You’ll gain a holistic understanding that ties together different concepts and subjects, enhancing your overall academic performance.

Continuous Support and Feedback: I’m here to support you every step of the way. You’ll receive regular feedback, personalized homework assignments, and access to additional resources to help reinforce your learning outside of class hours.

Results-Oriented Approach: My ultimate goal is your success. With a proven track record of helping students achieve higher grades and build confidence in their abilities, I’m committed to guiding you toward academic excellence.

Why This Class?

Expert Guidance: Learn from an experienced tutor who is passionate about teaching and dedicated to your success.
Engaging Content: Lessons that are not just educational, but also enjoyable and thought-provoking.
Flexible Scheduling: I understand that life can be busy, so I offer flexible scheduling options to fit your lifestyle.
Join My Class Today!

Don’t miss out on the opportunity to excel in your studies and develop a genuine love for learning. Whether you're aiming to ace your exams, overcome academic challenges, or simply explore new subjects with curiosity and enthusiasm, my class is the perfect choice for you.

Enroll now and take the first step toward a brighter academic future!

Iskander

5.0

(22)

I hold a Doctorate in Pharmacy and 2 Masters degrees from the University of Paris V René-Descartes.
Since the beginning of my higher education, and since I established myself as a freelancer after 10 years of managerial career in the pharmaceutical industry, I have been used to regularly giving private lessons to pupils and students of all levels, Primary, Secondary and Higher, supporting them until they pass their exams.
The main disciplines in which I support students are essentially scientific.
The perspectives provided are transdisciplinary.

Fairy

5.0

(22)

This chemistry tutoring course is designed to help students develop a strong understanding of chemistry, improve their problem-solving skills, and build confidence in their studies. It is suitable for students studying AP Chemistry, GCSE, IGCSE, IB, A-Level, and high school chemistry, whether they need regular academic support or focused preparation for an upcoming exam.

Lessons can cover a wide range of chemistry topics, including atomic structure, the periodic table, chemical bonding, chemical equations, stoichiometry, acids and bases, energetics, rates of reaction, equilibrium, organic chemistry, electrochemistry, and other topics based on the student's curriculum and learning needs.

Each lesson is personalized to the student's level and goals. I provide clear, step-by-step explanations and guide students through practice questions and problem-solving exercises rather than simply giving them the answers. We can work together on homework, difficult topics, past-paper questions, exam techniques, and areas where the student needs additional practice.

For exam preparation, lessons can focus on understanding key concepts, applying knowledge to different types of questions, identifying common mistakes, and developing effective strategies for answering examination questions.

Whether you are struggling with a particular chemistry topic, preparing for an examination, or simply want to strengthen your understanding and achieve better results, the lessons will be adapted to your individual needs and learning pace.

Online lessons are conducted via webcam in a supportive and interactive environment, allowing students to ask questions freely and work through problems together.

Tony

5.0

(22)

I graduated with a perfect 45/45 in the IB Diploma and achieved 7/7 in both Biology HL and Chemistry HL. I also have over 3 years of teaching experience.
In this class, I’ll share the strategies, techniques, and exam approaches that helped me achieve those results.
This class is focused on more than simply reviewing the syllabus. We will focus on how to approach IB science questions, apply your knowledge effectively, maximize marks, and consistently perform at a 6–7 level.

What we will focus on:
- How to approach difficult IB-style questions
- Strategies for moving from a 5 to a 6 or from a 6 to a 7
- How to understand command terms and what questions are really asking
- How to structure answers to maximize marks
- Data analysis, graphs, calculations, and experimental questions
- Common mistakes that cost students marks
- Time management and exam strategy
- Challenging 6–7 level Biology HL and Chemistry HL questions

We will work through challenging IB-style Biology and Chemistry questions step by step, focusing not only on what the correct answer is, but why the markscheme awards marks for it and how to recognize similar questions in an exam.
Whether you are currently working toward a 6, trying to push from a 6 to a 7, or simply want to become significantly stronger in IB Biology HL or Chemistry HL, this class will give you a clear and practical strategy for maximizing your exam performance.

Bader

5.0

(22)

French
The law can seem difficult: technical vocabulary, lengthy texts, demanding legal reasoning. My goal is to make it clear and accessible, in the language that suits you best: Arabic, French, or English.

This course is aimed at law students (Bachelor's, Master's), candidates for competitive exams and professionals who want to strengthen their foundations.

You will learn to :

Understanding the fundamental concepts (civil law, criminal law, business law, constitutional law, etc.)
Mastering the methodology: essay, case commentary, practical case
Use legal terminology in all three languages
Prepare effectively for your exams and competitions

Each session is tailored to your level, your program and your goals.

🇬🇧 English
Law can feel hard: technical vocabulary, long texts and demanding legal reasoning. My goal is to make it clear and accessible, in the language that suits you best: Arabic, French or English.

This course is for law students (bachelor's, master's), exam candidates and professionals who want stronger foundations.

You will learn to:

Understand core concepts (civil, criminal, business and constitutional law...)
Master legal method: essays, case comments and case studies
Use legal terminology in all three languages
Prepare effectively for your exams

Each lesson is tailored to your level, your syllabus and your goals.

🇲🇦 Arabic
قد يبدو القانون صعباً: مصطلحات تقنية، نصوص طويلة، وتفكير قانوني دقيق. هدفي هو جعله واضحاً وسهلاً، باللغة التي تناسبك: الفرنسية أو الإنجليزية.

هذا الدرس موجه لطلبة القانون (الإجازة والماستر)، والمترشحين للمباريات، والمهنيين الراغبين في تقوية معارفهم.

ستتعلم:

فهم المدني، الجنائي، قانون الأعمال، الدستوري...)
Use: الحالات العملية
استعمال المصطلحات القانونية باللغات الثلاث
التحضير الجيد للامتحانات والمباريات

كل حصة مكيفة حسب مستواك وبرنامجك وأهدافك.

Shiv

5.0

(22)

Struggling to translate basic science concepts into correct answers on high-stakes clinical vignettes? Memorizing isolated facts is rarely enough—success on the USMLE Step 1 and medical board exams requires deep mechanistic understanding, disciplined active recall, and precise pattern recognition.

What we will focus on:
>Vignette Dissection: Step-by-step breakdown of question stems, identifying key clues, distractors, and essential buzzwords.
>Core High-Yield Concepts: Comprehensive, First Aid-aligned reviews across organ systems, pathology, pharmacology, and basic sciences.
>Underlying Pathophysiology: Moving past superficial memorization to understand the "why" behind disease mechanisms and diagnostic algorithms.
>Exam Strategy & Test-Taking Skills: Eliminating common traps, timing pacing, and sharpening clinical reasoning.

Whether you are just starting your prep, struggling with specific organ blocks, or entering dedicated study and aiming to boost your question-bank scores, sessions are structured entirely around your learning pace, weak areas, and targeted score goals.

Mariam

5.0

(22)

Hi! I'm an experienced Biology tutor and a fifth-year medical student at Benha University, Egypt, with a strong academic background and a passion for teaching science.

Having successfully passed the USMLE Step 1 on my first attempt, I have developed a strong foundation in biological and medical sciences, which helps me explain biological concepts accurately and connect them to real-life applications.

What I Can Teach:

- IGCSE Biology
- A-Level Biology
- International Biology curricula
- Cell Biology
- Human Physiology
- Genetics and Molecular Biology
- Human Anatomy and Organ Systems

My Teaching Approach

I believe Biology is much easier when you understand the processes behind it rather than memorize endless facts.

My lessons focus on:

- Breaking down complex biological concepts into simple explanations.
- Understanding mechanisms and processes step by step.
- Using diagrams and visual explanations to make difficult topics clearer.
- Practicing exam-style questions and past papers.
- Using active recall to improve understanding and long-term retention.
- Adapting lessons to your curriculum, academic level, and learning goals.

Whether you're preparing for an important exam, struggling with difficult topics, or aiming for excellent grades, I'll help you build a strong understanding of Biology and approach your exams with confidence.

Let's make Biology easier, more logical, and more enjoyable!

Shreya

5.0

(22)

I am an IIT grad. Having completed my BTech in Mechanical Engineering, I have a strong STEM background, and hence have cleared the second most toughest competitive examination in the world-JEE Advanced. Since I have a strong knack for teaching Maths and Science to students, I have always managed time for all my students and helped them excel in their studies. I provide online one-to-one classes to ensure full attention. I follow a structured curriculum curated specifically to the board and class that covers the syllabus, includes ample mock tests, and features doubt-clearing sessions for exam preparedness and concept readiness.

Iyanuoluwa

5.0

(22)

Are you looking for a patient, dedicated and supportive tutor who can help you understand difficult topics, improve your academic performance and build confidence in your studies? I am here to help!

I am an undergraduate tutor with 1–3 years of teaching experience, having worked with students both in Nigeria and internationally. I have also worked with the HAT Tutors team in the United Kingdom as an Assistant Tutor, where I gained valuable experience supporting students in their academic development.

I teach Mathematics, Physics, General Science, Verbal Reasoning and Non-Verbal Reasoning. I also support students preparing for examinations such as WAEC, JAMB, GCSE and other general school examinations.

My teaching approach is student-centred, structured and focused on understanding. I believe every student has the ability to improve when given the right guidance, encouragement and learning support.

During my lessons, I break down complex topics into simpler explanations, use relevant examples, provide practice questions and encourage students to ask questions freely. I also adapt my teaching methods to suit each student's learning pace, academic level and individual needs.

Whether you need help with your regular schoolwork, examination preparation, challenging topics or improving your problem-solving skills, I will work with you towards achieving your academic goals.

I offer both online and in-person lessons, providing flexibility and a comfortable learning environment.

**My goal is not just to help you pass examinations, but to help you understand what you are learning, become more confident and develop the skills to succeed independently.**

Let's make learning a rewarding experience!