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Joshua
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This teacher has a fast response time and rate, demonstrating a high quality of service to their students.
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Since February 2023
Instructor since February 2023
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Learn chemistry in a fun and safe environment! !
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From 48.3 C$ /h
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In this chemistry lesson, we will introduce you to the basic concepts and principles of chemistry. We begin with an introduction to atoms, molecules, and ions, and how these chemical components link together to form chemical compounds. Next, we'll look at chemical reactions and how they work. We will also discuss major groups of elements, such as metals, non-metals and noble gases, as well as their properties and uses. By the end of this lesson, students will have a solid understanding of the basics of chemistry and its applications in our daily lives and industry.
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At teacher's location :
  • Almere, Netherlands
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Online from Netherlands
About Me
Hey! Ik ben een basketbalspeler die op hoog niveau speelt en een passie heeft voor wetenschap en technologie. Ik heb twee jaar chemie gestudeerd aan Inholland en momenteel studeer ik ICT. Het is geweldig om mijn kennis te delen en anderen te helpen het plezier in het leren te ontdekken. Ik ben ervan overtuigd dat het leren van nieuwe dingen leuk en veilig kan zijn.

Als leraar vind ik het belangrijk om les te geven op een leuke en begrijpelijke manier. Ik gebruik mijn empathische aanpak om complexe concepten eenvoudig uit te leggen, en mijn geduldige houding helpt studenten om zelfverzekerd te worden in hun kennis. Ik begrijp dat iedereen anders leert en daarom pas ik mijn onderwijsstijl aan op de behoeften van mijn studenten.

Als basketbalspeler weet ik dat teamwork en doorzettingsvermogen belangrijk zijn voor succes. Ik breng deze waarden ook over op mijn studenten, omdat ik geloof dat deze vaardigheden ook essentieel zijn voor succes in het leven. Ik vind het geweldig om mijn passie voor basketbal te combineren met mijn liefde voor wetenschap en technologie en ik ben trots om anderen te inspireren om te leren en te groeien.

Kortom, als je op zoek bent naar een leuke en begrijpelijke manier om te leren, dan ben je bij mij aan het juiste adres! Ik ben een gepassioneerde
Education
Ik heb een brede opleiding gevolgd met vakken op het gebied van chemie en ICT. Tijdens mijn chemiestudie heb ik vakken gevolgd op het gebied van organische chemie en biotechnologie, en heb ik uitgebreide praktijkervaring opgedaan. Ik was gepassioneerd over deze vakken en heb daarom de meeste vakken hoog afgerond, met goede cijfers en een propedeuse op zak.

Momenteel studeer ik ICT en leer ik programmeertalen zoals Python, Java, PHP, HTML, CSS en MySQL. Deze vakken fascineren me omdat ze de basis vormen van veel moderne technologieën en ik vind het leuk om te zien hoe ik deze talen kan toepassen om software, apps en websites te ontwikkelen. Ik vind het ook geweldig om te zien hoe ik mijn kritische en probleemoplossende denkvaardigheden kan verbeteren door deze vakken te bestuderen.
Experience / Qualifications
Tijdens mijn studie chemie heb ik veel geleerd over organische chemie en biotechnologie, en ik heb ook uitgebreide praktijkervaring opgedaan. Het was geweldig om te ontdekken hoe chemie de basis vormt voor veel van de dagelijkse producten en technologieën die we gebruiken. Ik was vooral gefascineerd door de manier waarop chemie wordt gebruikt om nieuwe medicijnen en behandelingen te ontwikkelen die mensenlevens kunnen redden.

Na mijn tijd bij chemie, ben ik begonnen met mijn ICT studie. Momenteel leer ik Python, Java, PHP, HTML, CSS en MySQL. Het is fantastisch om te ontdekken hoe deze talen gebruikt worden om websites, software en apps te maken die ons dagelijks leven gemakkelijker maken. Het leren van deze programmeertalen heeft me ook geholpen om kritisch en probleemoplossend te denken, wat ik kan toepassen op allerlei andere gebieden in mijn leven.

Door deze verschillende studies te volgen, heb ik een breed scala aan kennis en vaardigheden ontwikkeld die ik kan toepassen in mijn toekomstige carrière. Ik ben opgewonden om te zien hoe ik deze vaardigheden kan gebruiken om anderen te helpen en om bij te dragen aan de voortdurende vooruitgang van de wetenschap en technologie.
Age
Children (7-12 years old)
Teenagers (13-17 years old)
Adults (18-64 years old)
Seniors (65+ years old)
Student level
Beginner
Intermediate
Advanced
Duration
60 minutes
The class is taught in
English
Dutch
Skills
Availability of a typical week
(GMT -05:00)
New York
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At teacher's location and via webcam
Mon
Tue
Wed
Thu
Fri
Sat
Sun
00-04
04-08
08-12
12-16
16-20
20-24
Learn to program with fun and current projects!
34.98 C$ /h
In this lesson we will be introduced to the fundamental concepts of programming in MySQL, Java and PHP. We'll start with MySQL and cover the basics of database technology, such as creating, reading, updating, and deleting data in a database. Then we'll move on to Java, where we'll discuss syntax, data structures, and control structures. Finally, we will discuss PHP, focusing on web programming and using PHP in conjunction with MySQL databases. By the end of this lesson, students will have a solid understanding of the fundamental concepts of programming in MySQL, Java, and PHP and how these technologies work together to create powerful web applications.
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Lesson: Electrochemistry
Duration: 60 minutes
Grade Level: Advanced Science / Chemistry (IGCSE, A Level, IB)
Main Objectives:
By the end of this lesson, students should be able to:
1. Define electrochemistry and explain its importance.
2. Describe the difference between electrolytic and galvanic (voltaic) cells.
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4. Calculate standard electrode potentials and predict the direction of electron flow.
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Lesson Outline / Brief Notes:

1. Introduction to Electrochemistry (10 minutes)
Definition: Electrochemistry is the branch of chemistry that deals with the relationship between chemical reactions and electricity.
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Real-life example: Batteries, electroplating, corrosion prevention.
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Composed of two half-cells connected by a salt bridge.
Oxidation occurs at the anode, reduction at the cathode.
Example: Daniell cell
Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s)
Oxidation: Zn → Zn2+ + 2e−
Reduction: Cu2+ + 2e− → Cu
3. Electrolytic Cells (10 minutes)
Require an external power source to drive non-spontaneous reactions.
Example: Electrolysis of molten NaCl
At cathode: Na+ + e− → Na
At anode: 2Cl− → Cl2 + 2e-
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Zn2+/Zn: -0.76 V
Cu2+/Cu: +0.34 V
Predict electron flow: Electrons flow from Zn to Cu in a Daniell cell.
5. Applications of Electrochemistry (5 minutes)
Batteries (Li-ion, lead-acid)
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Corrosion protection (galvanization)
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Zn2+/Zn: -0.76 V
Cu2+/Cu: +0.34 V
Calculate the standard cell potential of a Daniell cell.
3. Application Question:
Describe one practical application of electrochemistry in everyday life and explain how it works.
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- the lessons can take part at my place, your place, or online;
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I'm looking forward to receiving your messages here
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Hi, reader! :)

I am probably one of the most enthusiastic and versatile tutors in Amsterdam!

I have been tutoring students for over 10 years at various levels, with a focus on middle and high school students. Many of my students have been preparing for exams such as IB, AP, A-level, and IGCSE.

I hold several relevant degrees, including a PhD and MSc in Financial Justice from the University of Amsterdam, as well as a BS and MS in Engineering from the University of Pennsylvania (an Ivy League institution).

While my main area of expertise is math (ranging from simple arithmetic to advanced university-level calculus), I have also assisted students in preparing for high school level Chemistry and Economics exams.

What sets me apart as a UNIQUE tutor, in addition to my extensive background, is my PERSONAL approach to tutoring. I customize my teaching methods to suit each individual student. This includes the way I present material, work through problems, structure our sessions, and provide tailored feedback to help the student thrive. Additionally, I provide all of my students with my personal phone number, allowing them to contact me OUTSIDE OF SCHEDULED HOURS at NO ADDITIONAL COST if they are struggling while studying on the nights leading up to exams!

For me, tutoring is not just about covering the material; it is about tailoring the learning experience so that students can develop the necessary tools to excel in their courses and eventually become self-sufficient, no longer needing a tutor. :)
verified badge
Mana
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I have a bachelor's degree and a master's degree in neuroscience, currently I'm doing my PhD. This consists of research and education, so I also supervise Bachelor's and Master's students during my work. I also have a lot of experience in tutoring.

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I believe in simplifying complex topics, breaking them down into easy-to-understand segments. This approach helps students grasp and retain challenging concepts with ease. Techniques such as mnemonic devices, visual aids, and real-life examples are integral to my method, ensuring that formulas and concepts are not just memorized, but truly understood.

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Encouraging words and positive feedback are integral to my teaching method. I strive to build students' self-confidence and to instill a love for learning through positive reinforcement. Setting achievable goals for each student, I celebrate their successes and motivate them to strive for excellence. This goal-setting approach not only drives academic success but also fosters a sense of accomplishment and self-worth.

As a tutor, my satisfaction comes from seeing my students excel and reach their full potential. My ultimate goal is to empower students with the knowledge and skills they need to succeed in Science and Maths. I am always available to support my students, offering additional help and resources as needed to ensure their success.

I foster an open environment where students feel comfortable asking questions, no matter how simple they may seem. This curiosity drives deeper understanding and encourages a proactive approach to learning. By incorporating games, puzzles, and interesting activities, I ensure that learning remains fun and engaging, keeping students excited about the subjects.

Join my Foundation Course in Science and Maths and watch your child develop a strong foundation, confidence, and a genuine love for these essential subjects. Let’s work together to achieve academic excellence and make learning a fun and rewarding experience. “Excel in Subjects, Soar in Confidence!”
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Elias
Lesson: Electrochemistry
Duration: 60 minutes
Grade Level: Advanced Science / Chemistry (IGCSE, A Level, IB)
Main Objectives:
By the end of this lesson, students should be able to:
1. Define electrochemistry and explain its importance.
2. Describe the difference between electrolytic and galvanic (voltaic) cells.
3. Write half-reactions and overall cell reactions.
4. Calculate standard electrode potentials and predict the direction of electron flow.
5. Understand practical applications of electrochemistry in everyday life.

Lesson Outline / Brief Notes:

1. Introduction to Electrochemistry (10 minutes)
Definition: Electrochemistry is the branch of chemistry that deals with the relationship between chemical reactions and electricity.
Key Concept: Redox reactions involve the transfer of electrons.
Real-life example: Batteries, electroplating, corrosion prevention.
2. Galvanic (Voltaic) Cells (15 minutes)
Composed of two half-cells connected by a salt bridge.
Oxidation occurs at the anode, reduction at the cathode.
Example: Daniell cell
Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s)
Oxidation: Zn → Zn2+ + 2e−
Reduction: Cu2+ + 2e− → Cu
3. Electrolytic Cells (10 minutes)
Require an external power source to drive non-spontaneous reactions.
Example: Electrolysis of molten NaCl
At cathode: Na+ + e− → Na
At anode: 2Cl− → Cl2 + 2e-
4. Standard Electrode Potentials (10 minutes)
Electrode potential measures the tendency of a species to be reduced.
Example:
Zn2+/Zn: -0.76 V
Cu2+/Cu: +0.34 V
Predict electron flow: Electrons flow from Zn to Cu in a Daniell cell.
5. Applications of Electrochemistry (5 minutes)
Batteries (Li-ion, lead-acid)
Electroplating (silver plating, chromium plating)
Corrosion protection (galvanization)
Exercise (10 minutes)
1. Short Answer Questions:
a. Define electrochemistry.
b. Identify the anode and cathode in a zinc-copper galvanic cell.
c. Explain the difference between galvanic and electrolytic cells.
2. Calculation:
Given:
Zn2+/Zn: -0.76 V
Cu2+/Cu: +0.34 V
Calculate the standard cell potential of a Daniell cell.
3. Application Question:
Describe one practical application of electrochemistry in everyday life and explain how it works.
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