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23818 private teachers in Wbsl

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23818 private teachers in Wbsl

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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Carol - MontreuilRecently 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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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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Camille - BrusselsRecently active103€
103€✅ OVERCOME BLOCKAGES, CHANGE MANAGEMENT, PRAGMATIC/BEHAVIORAL PSYCHOLOGY & PERSONAL DEVELOPMENT (BY A PSYCHOPRACTITIONER)
Trusted teacher: ➤Aim of these sessions? Halfway between psychoanalysis on the one hand and American-style coaching on the other, with proposals that will be made to you according to your problem and that will have to be implemented, it will be advisable to proceed as follows: understand the mechanisms of thought & induced emotion, linked to given everyday situations and which involve blockages then act concretely through pragmatic techniques adapted to your problem, and which will be quickly proposed to you to regain power over your life thanks to the methodologies & practices of behavioral coaching. ➤This is why, choosing the appropriate mediator to carry out a quality work and help oneself to advance / overcome certain mechanisms will induce the awareness necessary for this decided change. This will then allow to register in a new dynamic in the personal & professional fields. ➤To lead this change, achieve its aspirations, improve its quality of life and develop the functioning of its cognitive, emotional or behavioral sphere, a cohort of very concrete tools and concepts are at our disposal, and which involve deepening the self-exploration. This involves questioning yourself, analyzing, taking a distance, and understanding the issues / points causing suffering, before finally freeing yourself from it. ➤Examples of topics / issues regularly addressed and which are regularly supported by a dedicated specialist coach, adapted to your plan: • Self-confidence, self-esteem and assertiveness, shyness, decision-making, assertiveness, personal development • Reduce suffering (phobia, stress, anguish, anxiety, negative thoughts, panic, depression) and modify behaviors that are detrimental to well-being (post-traumatic stress, injuries, addictions), to better manage emotions & regain life. appeasement • Concentration, procrastination, organization, professional efficiency, time management •Professional/personal relationships (family, romantic, friendly, emotional, etc.) & social: from communication difficulties generating pain & frustration to the fluidity of relationships • Professional life: tensions, pressures & conflicts, (Re) professional orientation (CV, cover letter, job interview), competitions and exams, support in a business project, teamwork ➤Each point is the subject of techniques adapted to your situation, which you will probably never have put into practice...and which have proven their worth on the people you support. ➤Thus, although involving self-exploration, coaching remains concrete in its application and bears fruit from the first sessions, since it makes people autonomous, and not dependent. ➤You will understand, specializing in life support and personal & professional projects, it is our proven skills and the positive feedback from all the people previously supported that makes us able to support you, by catalyzing the keys to your success, through a methodology and pragmatic tools, adapted to your situation. ➤And if cookie-cutter advice is not offered, that you will never be led but guided without judgment, in a process of permanent / interactive co-construction ... it is because we believe that it It is first important to analyze together, to become aware, to study jointly, to deepen, to decode your blockages and your initial problem in order to clarify your aspirations. ➤Influenced by cognitive & behavioral therapies, by Anglo-Saxon coaching instruments and the European methodology of applied psychotherapy, the approach therefore aims to seek links between current difficulties and past experiences, including repressed and unresolved conflicts and to confront difficulties which may be partially linked to inappropriate thoughts or behaviors learned / adopted often in spite of oneself. ➤ So, how does a session take place? After having identified together a problem, blockages and objectives, it is a question of analyzing them together then proposing a series of suggestions/reflections/pragmatic actions. Concretely, a session = a reflection + solutions. From the second session, 98% of our coaches say they felt a clear difference that influenced their daily lives* (2022 study). ➤ THERAPIST - COACH - PSYCHOPRACTITIONER - PSYCHOANALYST - CONSULTANT Trained at Grande Ecole post-preparatory classes & Ivy League University in the United States, our consultant teacher trainer has specialized and worked for more than 16 years, in Europe and North America, in the field, in renowned international public and private establishments, regularly speaking in forums and conferences, and also offering personalized INDIVIDUAL support, with pedagogy and meticulous methodology as the watchwords. ➤ PLACE, TIMETABLE, PRICES ✓ Locations: Geneva-Lausanne-Fribourg-Zurich-Neuchâtel-Lugano-Montreux-Basel-Neuchâtel-Bern-Lucerne-Brussels-Luxembourg-Paris-Lyon. But currently, these sessions continue to be offered by videoconference in the current context and in accordance with general demand which is almost unanimous on this subject. ✓ Indeed, apart from the classic advantages of videoconferencing (time saving related to travel & their unforeseen events, eco-responsibility, increased schedule flexibility, etc.), the quality of the session & the interaction remain identical. In addition, the entire exchange, notes and recommendations are immediately transcribed on the dedicated chat. ✓ To support us among ourselves & to be pleasant to you in this sustainable / particular period and in a spirit of solidarity, the fees are temporarily reduced and will not increase after the start of our sessions. ✓ Languages: French/English. ✓ The progress following these private sessions is perceptible from 1 to 2 sessions (*2023 study). ✓ As other people do regularly, you can also please your loved ones by offering gift vouchers available all year round. CONTACT / PROGRAM ✓ A la carte program: evaluated and adapted to each need.
Life coaching · Self-improvement · Personal training
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Leonid - Kiev23€
23€Online piano lessons for everybody: from any starting level with any set goal!
Trusted teacher: Learning to play the piano is a wonderful and very diverse experience! Every beginner has to go through it in their own special way in order to realize one's personal aspirations. But sometimes, unfortunately, due to a lack of guidance and direction, the learning process may cause some difficulties followed by unexpected disappointment. If you are in need of said guidance, if your learning experience is not that captivating or satisfying anymore, you don't have to turn away from your dreams of playing the piano - I will gladly help you to get closer to them in a fun and enjoyable way in our lessons! After finishing music school with the highest grades twice as well as a number of additional courses (improvisation, composition, orchestras, etc.) and after honing my teaching skills for more than 4 years, I can safely say that my lessons may prove useful to any type of student with any kind of given objective at hand. No matter your age, your previous experience, or background, you just need to name me your personal goal, task, or even a dream - be ready to dedicate a little time and effort, and I will take care of all the rest. Learning your favorite song, getting prepared for a concert, or simply improving the skills you already possess - in music, everything is possible and achievable, and I'll be more than glad to prove it to you in our lessons.
Keyboard (music) · Piano · Music theory
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 4.7 out of 5 based on 199 reviews.

Learn Russian and English languages for all levels (Differdange)
Sofia
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Absolutely delighted with my experience learning Business English from my young and highly knowledgeable teacher Sofia Seldemirova. Her solid educational background reflects in the quality of her lessons. The approach she takes in teaching Business English is not only effective but also engaging, making the learning process enjoyable. I appreciate her dedication and the valuable skills I've gained under her guidance. Highly recommend Sofia Seldemirova for anyone seeking a dynamic and proficient English teacher, especially in the realm of business language.
Review by DINA
MENTORING IN ARTS : Discover how to say something through your artistic work. (Antwerp)
Jaume
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He is an amazing teacher who has a talent to reading people and situations to bring out the best in them. Would fully recommend to anyone, any age, at any level. He will be sure to challenge and encourage you according to your level, wants and needs. Five stars all the way.
Review by MARIIA
Private lessons in Science (physics, chemistry and biology) - Secondary level, CESS, French, European & International Baccalaureates (Schaarbeek)
Sarah
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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

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