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41844 private teachers in Send

Elias - AmsterdamRecently active24€
24€Enthalpy Changes in Chemical Reactions; This lesson explores how chemical reactions involve energy changes that can be exo or endothermic.
Trusted teacher: Lesson Plan: Enthalpy Changes in Chemical Reactions Grade/Level: Secondary / IGCSE / AS level Duration: 60 minutes Topic: Enthalpy Changes in Reactions Lesson Objectives By the end of the lesson, students should be able to: 1. Understand that chemical reactions are accompanied by enthalpy changes, which can be exothermic or endothermic. 2. Construct and interpret reaction pathway diagrams, showing enthalpy change and activation energy. 3. Define and use key terms: standard conditions (⦵), enthalpy change of reaction (ΔHr⦵), formation (ΔHf⦵), combustion (ΔHc⦵), and neutralisation (ΔHneut⦵). Lesson Breakdown (60 minutes) 1. Introduction (5 minutes) Begin with a real-life hook: Ask: “Why does burning wood release heat, but dissolving ammonium nitrate in water feels cold?” Link to lesson: These are examples of exothermic and endothermic reactions. 2. Theory: Enthalpy Changes (10 minutes) Define enthalpy (H): The heat content of a system at constant pressure. Define enthalpy change (ΔH): Heat energy transferred during a reaction at constant pressure. Distinguish: Exothermic reaction: ΔH is negative (heat released). Endothermic reaction: ΔH is positive (heat absorbed). Give simple examples: Exothermic → combustion of methane. Endothermic → thermal decomposition of calcium carbonate. 3. Reaction Pathway Diagrams (15 minutes) Draw and explain two diagrams: Exothermic pathway: Products lower in energy than reactants, ΔH negative. Endothermic pathway: Products higher in energy than reactants, ΔH positive. Introduce activation energy (Ea):Minimum energy needed for reaction to occur. Label diagrams clearly: Reactants → peak (activation energy) → products. Highlight ΔH and Ea. 4. Standard Conditions and Key Enthalpy Terms (15 minutes) Explain standard conditions (⦵): 298 K (25°C), 101 kPa pressure, substances in standard states. Define and discuss: Standard enthalpy change of reaction (ΔHr⦵): Heat change when reaction occurs in molar quantities under standard conditions. Standard enthalpy of formation (ΔHf⦵): Heat change when 1 mole of compound is formed from its elements in their standard states. Standard enthalpy of combustion (ΔHc⦵):Heat change when 1 mole of substance is completely burnt in oxygen under standard conditions. Standard enthalpy of neutralisation (ΔHneut⦵): Heat change when an acid and alkali react to form 1 mole of water under standard conditions. Use simple examples for each (e.g., combustion of methane, formation of H2O, neutralisation of HCl with NaOH). 5. Guided Practice / Mini Activity (10 minutes) Students sketch their own reaction pathway diagrams (exothermic and endothermic). Label ΔH and Ea. Pair discussion: “Why do we still need activation energy even for exothermic reactions?” 6. Exercise (Homework / Classwork) (5 minutes) Answer the following questions: 1. State whether each reaction is exothermic or endothermic: a) Burning propane gas in oxygen. b) Photosynthesis in plants. c) Dissolving anhydrous copper(II) sulfate in water. 2. On a reaction pathway diagram: Show ΔH and Ea for an endothermic reaction. 3. Define the following terms and give one example each: a) Standard enthalpy of formation (ΔHf⦵) b) Standard enthalpy of combustion (ΔHc⦵) c) Standard enthalpy of neutralisation (ΔHneut⦵) 4. Under standard conditions, the enthalpy of combustion of methane is –890 kJ mol−1.
Chemistry
Emilce - LondonRecently active93€
93€Bilingualism and Code-Switching: by popular demand
Trusted teacher: In these neuro-divergent times, the binary division of "one language or two" in bilinguals is perhaps due some contestation, which students are capable of providing. I have always found bilingual production models (and the ubiquitous Powerpoint slide) that university teachers provide a hindrance because of their lack of explicitness and discussion - they are just not relatable as presented nor do they provide much information or examples for monolingual students. Code-switching, a by-product of bilingualism, is now a term that is even found in minority-ethnic neighbourhood grafitti ("can white people code-switch" a found example). Please note that this is a linguistic term, used for switching between two languages, and not between local or social varieties of English. My personal position is that there is no such thing as bilingualism: there is always a language that suffers attrition, and one language that prevails, mostly because of its prestigious standing over the other language. On the other hand, a child exposed to more than one language cannot be truly monolingual. For this course (very popular at universities around Europe both at undergraduate and postgraduate level) we shall go through the terms used to discuss bilingualism, in detail, and then discuss, with the help of published books and articles, who can be considered bilingual (or are we all, one other language lying dormant?). Can bilingualism be defined by the speaker, instead of the "community"? Can it be imposed by the State? Does a bilingual brain function in the same manner as a monolingual brain? These are research questions that emerge as dissertation or thesis topics both at undergraduate and postgraduate courses.
Grammar · Social studies · Child development
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Kelvin - BernRecently active14€
14€LEARN ZAMBIAN LANGUAGES LIKE: BEMBA, NYANJA, MAMBWE AND TONGA WITH YOUR BEST TUTOR👌
Trusted teacher: What's a language? A language is a mode of communication that people uses for effective communication.Zambian languages are a must to know whenever someone is interacting with many Zambians across the world and in Zambia. Why knowing how to speak Zambian languages matters? 1.To gain confidence when in a conversation with Zambians 2.To improve your communication skills 3.To make agreeable deals with Zambians 4.To avoid exploitation or any of it's possibility 5.To win indigenous Zambian hearts-Zambians are social people who loves someone who relates with them.Knowing a Zambian language is just one effective way you could instantly relate with many Zambians. A big question remains, do you need to know all the Zambian languages? One sharp short answer is a big NO! Why? It's because in Lusaka and all the other Zambian provinces NYANJA is the most spoken language. On the other hand, BEMBA is dominant on the Copperbelt, Luapula, Muchinga and Northern province.Actually it's the second largest spoken language after NYANJA. Thirdly, TONGA is the widely spoken language in the Southern province of the country. Lastly, Mambwe is a dominating language in Northern province and partially in Muchinga Province. Why LEARN Zambian languages once again? It saves you from language barrier and many inconveniences that comes with expressing your thoughts or ideas . New words are always taught per class session , correct spellings and pronunciation of words are emphasized. Prior to notifying me that you won't be available for a class, a class video is recorded and sent to you.If you are available then an ONLINE class takes place. On the other hand, students loves the fact that I do have customized time tables. I make a time table for a student depending on their convenient day/s and time .This flexibility in time and time table makes it very much accommodating to learners who are either very busy in the morning or afternoon. It is always motivating, satisfying and inspiring to meet the demands of each student.
Communication skills
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(1 review)
Carol - ParisRecently active30€
30€Plastic arts and applied arts, preparation for competition by artist graduated Beaux-Arts de Paris
Trusted teacher: The skype courses are optimized thanks to the fiber and by a high definition web camera, which allows a course in optimal conditions. Plastic arts course, college and high school, plastic arts baccalaureate file. ST2A applied arts course, pre-competition by skype. Initiation or improvement in the different techniques of drawing and painting, observation drawing, portrait, study of perspective followed by urban sketches outside, travel diary and watercolor. Portrait technique, sketches of characters, perspective, using the various drawing tools pencil, charcoal, red chalk, markers and watercolors. The basics and improvement of oil painting. The basics of fundamental drawing adapted to children and adolescents with pedagogy, adapted to the rhythms and to the sensitivity of each one. Experience with children from 6 years old and adolescents in private lessons and for institutions. Applied arts course, preparation for the applied arts baccalaureate and preparation, plastic arts baccalaureate file. MANA from applied arts schools, professional bac. The courses are adapted according to the levels and the expectations of the pupils, a pedagogical progression will be developed. Professional artist, with 20 years of experience, exhibition in Parisian galleries. 17 years of experience in teaching adults within a works council of a large company. Preparation for competitions: Fine arts, Applied arts. Applied Arts upgrade. Follow-up in bac ST2A, preparation for competitions: Gobelins, Max. Vox ... School of Fine Arts in Paris. Plastic arts option tray folder
Drawing & sketching · Painting
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Marcela - RegensdorfRecently active66€
66€Professional Piano Tutor: Lessons for All Levels and Ages (4+)
Trusted teacher: Looking for a passionate and professional piano teacher for your child or for yourself? My lessons are designed to bring out the joy of music and enhance creativity, while also gradually improving technique based on age and individual abilities. As a dedicated and experienced professional teacher with a university degree, I take teaching seriously and am committed to providing effective lessons tailored to each student. I offer different approaches to suit the individual needs and goals of every student. Playing an instrument should be a delightful experience and that's exactly what my lessons are all about! PRE-SCHOOL CHILDREN Are you a parent eager to introduce your little one to the wonderful world of music? My lessons are designed to be playful and engaging. Using specially adapted piano books, including a method tailored for children as young as 4 years old, I'll guide your child through an exciting musical adventure, complete with stories, games and new songs to learn. We'll explore music through singing, movement, and rhythm, helping your child develop a deep and lasting love for music. SCHOOL-AGED CHILDREN The lessons are more than just learning songs. Children will explore a piano book filled with stories, characters, engaging music, and games. Depending on preferences we can dive into playing music with accompaniment recordings, which allows children to immerse themselves in a complete musical experience. Theory learning is included. TEENAGERS Are you looking for a piano teacher who will encourage and support your teenager's passion for music? Thanks to a hybrid method book for older beginners that contains pedagogically and age appropriate piano pieces, technical exercises, and supplementary activities, students are able to play hands together from the very first day, unlikely to traditional methods. In case of a former experience in playing the piano, I build on their existing knowledge and continue to expand their skills and creativity. I am also open to student's suggestions, I believe that playing a piece they enjoy is effective in keeping them motivated. ADULTS It's never too late to pick up a new skill. As an adult, you have unique advantages over children when it comes to learning music. You have greater focus, a better grasp of music theory, and a strong motivation to succeed. We'll follow a hybrid method book for older beginners that contains pedagogically appropriate piano pieces, technical exercises, and supplementary activities, and allows you, unlikely to traditional methods, to play hands together from the very first day. Do you have a favorite song that you've always wanted to play but thought it was too difficult? There are plenty of classical and popular melodies that have been arranged for beginners, so you can start playing them right after grasping the basics of piano playing.
Piano · Children's music
Pietro - AmsterdamRecently active64€
64€Find your personal voice at the piano with a creative teaching approach! (Jazz, Classical, Pop-Rock)
Trusted teacher: Hey there! Do you want to start a new hobby? Do you already play the piano and you want to improve your skills with a creative approach to the instrument? Then I think I can help you! I can teach you basic and advanced concepts of any style on the piano (classical, jazz, pop-rock...), and if you like improvisation and jazz then we get along even better! I offer very personalized classes based on your level and interests. My approach to teaching strongly takes the student's CREATIVITY into account, but without forgetting that a good knowledge of MUSIC THEORY and PIANO TECHNIQUE are essential. About my philosophy in teaching music: In a creative field like music, education is a delicate matter. I firmly believe that a teacher must do everything possible to avoid suppressing the student’s personal voice. Each of us — regardless of age or skill level — has a unique approach to music, even before touching the instrument! My goal is to help students discover their own musical identity at the piano, drawing on my experience and offering a solid theoretical foundation tailored to their interests and level. That said, as in any discipline, there are no shortcuts in music. Passion and dedication are essential to achieving meaningful results. Furthermore, a solid technical and theoretical foundation is indispensable, no matter your musical interests. I look forward to sharing my deep passion for music with you. Feel free to reach out for more information!
Piano · Jazz music · Music theory
Elias - ParisRecently active20€
20€IB Chemistry, Brief Lesson Outline: The Electromagnetic Spectrum
Trusted teacher: 🧪 IB Chemistry Apprentice Lesson Plan Topic: The Electromagnetic Spectrum Level: IB Year 1 (Apprentice) Duration: 60 minutes Lesson Objectives By the end of this lesson, students should be able to: ‣ Describe the electromagnetic spectrum and identify its different regions. ‣ Understand and apply the equation c = fλ. ‣ Differentiate between a continuous spectrum and a line spectrum. ‣ Explain the concept of quantized energy in atoms. Lesson Outline Introduction (0–5 minutes) Start the lesson by asking students a few engaging questions: What are some examples of invisible light or radiation around us? Why do we wear sunscreen? Allow brief responses, then explain that all of these examples are part of the electromagnetic spectrum, which we will study today. Teaching Phase 1 – Overview of the Electromagnetic Spectrum (5–15 minutes) Introduce the electromagnetic spectrum. Explain that it is a range of all electromagnetic waves, which vary by frequency and wavelength. Emphasize that all electromagnetic waves travel at the same speed in a vacuum – the speed of light, c = 3.00 × 108 m/s. Key formula to introduce: c = fλ, where: c = speed of light f = frequency (Hz) λ = wavelength (m) Point out that high-frequency waves have short wavelengths and higher energy (like gamma rays), while low-frequency waves have long wavelengths and lower energy (like radio waves). Display a spectrum diagram showing the range from radio to gamma rays, with visible light in the center. Teaching Phase 2 – Spectrum Types: Continuous vs. Line Spectrum (15–25 minutes) Explain the difference between continuous and line spectra. A continuous spectrum** contains all wavelengths in a range, like a rainbow produced when white light passes through a prism. A line spectrum** shows only specific wavelengths or frequencies. This happens when excited electrons fall back to lower energy levels and release photons of specific energies. Explain that energy is **quantized**—electrons cannot have just any amount of energy; only specific values are allowed. Use the helium line spectrum image as an example. Real-World Examples and Class Discussion (35–45 minutes) Give students three practical examples and discuss their uses: 1. Microwaves – Used in cooking and communications. 2. Ultraviolet (UV) rays – Cause sunburn; used in sterilizing equipment. 3. Gamma rays– Used in cancer treatment and in detecting radioactive materials. Ask students: Where do you see or use electromagnetic waves in your daily life? Encourage short contributions to reinforce understanding. Student Exercises (45–55 minutes) Have students complete these three questions individually: 1. A wave has a frequency of 6.0 × 1014 Hz. Calculate its wavelength using c = 3.00 × 108 m/s. 2. Explain the difference between a continuous and line spectrum, with an example of each. 3. Why are gamma rays more dangerous to humans than radio waves? Wrap-Up and Recap (55–60 minutes) Call on a few students to briefly summarize one key thing they learned.
Chemistry
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 5.0 out of 5 based on 16 reviews.

Private Math Tutoring by Experienced Teacher For all Levels. (Rome)
Hamid
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rating green star
Dr. Ettayyebi is by far one of the most patient educators I’ve ever met. Not only is he deeply knowledgeable in mathematics and logical reasoning, but he’s also incredibly personable and easy to talk to. I’m embarrassingly bad at math, yet he’s never made me feel ashamed of it—something I can’t say for most tutors I’ve had in the past. Instead, he’s gone the extra mile to create a tailored learning path for me and all his students, one that meets our goals while strengthening our weak spots. I highly recommend Dr. Ettayyebi for learners of any age—whether you’re brushing up on existing material or prepping for an entrance exam. If you’re looking for a customized educational plan with a hands-on approach (though he also offers online sessions), Dr. Ettayyebi is your guy.
Review by SYLVIE
Private lessons in Science (physics, chemistry and biology) - Secondary level, CESS, French, European & International Baccalaureates (Schaarbeek)
Sarah
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rating green star
Sarah is a serious subject expert and talented conveyor of complex information - totally committed to getting the best possible student experience and transfer of knowledge in highly competent and state-of-the art manner either in person or in a virtual setting.
Review by DAVID
LEARN ZAMBIAN LANGUAGES LIKE: BEMBA, NYANJA, MAMBWE AND TONGA WITH YOUR BEST TUTOR👌 (Bern)
Kelvin
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rating green star
Kelvin is a great tutor, especially for conversational practice! He has a very patient process and an extremely kind demeanor.
Review by WANDIE

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