𝑬𝑻- 𝑴𝒂𝒕𝒉𝒔 𝑵𝒆𝒕𝒘𝒐𝒓𝒌

#The_Transformative_Power_of_Mistakes If coffee beans are roasted, they become the beloved beverage we enjoy each morning. This transformation enhances their value. ☕️ Similarly, if grapes ferment, they transform into exquisite wine, far more precious than the original fruit. 🍇🍷 You, too, possess intrinsic value, my friend. Mistakes are not a measure of your worth; they are stepping stones towards growth and increased value. 💪 #Substantial_Evidence: • Thomas Edison, after countless experiments, finally discovered electricity.💡 • Marie Curie's consistent dedication led to her groundbreaking discoveries. 🔬 #Historical_Examples_of_Mistakes_Leading #to_Success: • Christopher Columbus's navigational error and the discovery of America 🌎 • Alexander Fleming's mistake and the invention of penicillin 💊 #Conclusion: Welcome your mistakes as valuable lessons, for they hold the power to mold you into an even more remarkable version of yourself. 💎 Remember, it is not flawless execution that leads to excellence; it is the wisdom gained through mistakes that truly sets one apart. 🌟 Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

Get All Textbooks you need based on the new curriculum የአዲሱ ስርዓተ - ትምህርት መጽሀፍ

Scientific Laws and Theories: (A Condensed Guide) #Ohms_Law: • The current flowing through a conductor is directly proportional to the voltage applied across it, assuming constant temperature and physical conditions. #Pauli_Exclusion_Principle: • No two electrons within an atom or molecule can have the same set of quantum numbers. #Raman_Effect: • Light scattering by atoms or molecules in a transparent medium results in a change in wavelength. #Tyndall_Effect: • Light scattering by tiny particles suspended in a gas or liquid, causing a visible beam of light to appear. #Boyles_Law: • At constant temperature, the volume of a gas is inversely proportional to its pressure. (PV = constant) #Charless_Law: • At constant pressure, the volume of a gas is directly proportional to its temperature. (V/T = constant) #Coulombs_Law: • The force between two electric charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. #Heisenbergs_Uncertainty_Principle: • It is impossible to simultaneously determine the exact position and momentum of a particle with perfect accuracy. #Archimedes_Principle: • An object submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced. #Aufbau_Principle: • Electrons in an atom occupy the lowest energy orbitals available. #Avogadros_Law: • Equal volumes of gases at the same temperature and pressure contain an equal number of molecules. #Brownian_Motion: • The random movement of tiny particles suspended in a fluid or gas due to collisions with the surrounding molecules. #Bernoullis_Principle: • As the speed of a fluid increases, its pressure decreases. This principle explains the lift generated by airplane wings. #GayLussacs_Law_of_Combining_Volumes: • Gases react in volume ratios that are simple whole numbers, both for reactants and products. #Grahams_Law_of_Diffusion: • The rate of diffusion of gases is inversely proportional to the square root of their densities. #Keplers_Laws_of_Planetary_Motion: • Planets orbit the Sun in elliptical paths, with the Sun at one focus. • A line connecting a planet to the Sun sweeps out equal areas in equal time intervals. • The square of a planet's orbital period is proportional to the cube of its average distance from the Sun. #Law_of_Flotation: • For an object to float, its weight must be equal to the weight of the fluid it displaces, and the centers of gravity of the object and the displaced fluid must be aligned. #Law_of_Conservation_of_Energy: • Energy cannot be created or destroyed, only transformed from one form to another. The total amount of energy in the universe remains constant. Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

Common Physics Concepts #Newtons_Laws_of_Motion: - Describe how objects move when forces are applied to them. #1st_Law: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the srame direction unless acted upon by an unbalanced force. #2nd_Law: The acceleration of an object is directly proportional to the net force acting on the object, and inversely proportional to the object's mass. #3rd_Law: For every action, there is an equal and opposite reaction. #Conservation_of_Energy: - Energy cannot be created or destroyed, only transformed from one form to another. - Total energy in an isolated system remains constant. #Momentum: - Product of an object's mass and its velocity. - Describes an object's tendency to keep moving. - Momentum is conserved in closed systems. #Force: - Interaction that changes an object's state of motion or shape. - Measured in newtons (N). #Energy: - Capacity to do work or cause change. - Exists in various forms, such as kinetic, potential, and thermal energy. #Motion: - Change in position of an object over time. - Described by velocity, acceleration, and distance. #Gravity: - Force of attraction between objects with mass. - Described by Newton's Law of Universal Gravitation. #Electricity: - Flow of electric charge. - Described by concepts like voltage, current, and resistance. #Magnetism: - Force exerted by magnets. - Involves magnetic fields and magnetic interactions between objects. #Thermodynamics: - Study of heat and its relation to energy and work. - Includes laws governing energy transfer and transformation. #Waves: - Disturbances that carry energy through a medium or space. - Described by wavelength, frequency, and amplitude. #Optics: - Study of light and its interactions with matter. - Includes reflection, refraction, and diffraction. #Quantum_Mechanics: - Physics of very small particles. - Deals with uncertainty, wave-particle duality, and quantum states. #Relativity_Theory: - Describes the relationship between space and time. - Includes Special and General theories of relativity. Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

#AddisAbaba የ12ኛ ክፍል መልቀቂያ ብሔራዊ ፈተና በበይነ መረብ (ኦንላይን) ከሚሰጥባቸው ከተሞች አንዱ የአዲስ አበባ ከተማ አስተዳደር ስለመሆኑ ተሰምቷል። ይህን ተከትሎ የፈተና ቅድመ ዝግጅት ተግባራት ላይ ያተኮረ ውይይት ዛሬ ሲካሄድ ውሏል። የአዲስ አበባ ከተማ ትምህርት ቢሮ ኃላፊው ዶ/ር ዘላለም ሙላቱ ፤ " የ2016 ዓ/ም የ12ኛ ክፍል መልቀቂያ ፈተና በከተማው በኦንላይን ለመስጠት ቅድመ ዝግጅት እየተደረገ ነው " ብለዋል። ለፈተናው ኮምፒዩተሮች፣ ላፕቶፖችና ታብሌቶችን ጨምሮ ሌሎች ግብአቶችን የማሟላት ስራ ተጀምሯል ተብሏል። የግል ትምህርት ቤቶች ለፈተናው የሚያስፈልጉ ግብአቶችን ከወዲሁ እንዲጀምሩ ጥሪ ቀርቧል። ትምህርት ሚኒስቴር የ2016 ዓ.ም 12ኛ ክፍል መልቀቂያ ብሔራዊ ፈተና በተመረጡ ከተሞች በኦንላይን እንደሚሰጥ ማሳወቁ ይታወሳል። ሙሉ በሙሉ ፈተናው በኦንላይን ባይሰጥም  በተመረጡ ከተሞች ያሉ የተመረጡ ተማሪዎች በኦንላይን ፈተናቸውን ይወስዳሉ ተብሎ ይጠበቃል። የቀሩት ተማሪዎች በተለመደው ሁኔታ ዩኒቨርሲቲ ገብተው በወረቀት ይፈተናሉ። እስካሁን በየትኞቹ ከተሞች ያሉ የተመረጡ ተማሪዎች ፈተናውን በኦንላይን ይወስዳሉ የሚለው አይታወቅም። በምን አግባብ ተማሪዎቹ እንደሚመረጡም ለጊዜው በይፋ የሚታወቅ ነገር የለም። የ12ኛ ክፍል ብሔራዊ ፈተና ከሐምሌ 3 እስከ ሐምሌ 5 ለማህበራዊ ሳይንስ ፤ ከሐምሌ  9 እስከ ሐምሌ 11 ቀን 2016 ዓ/ም ለተፈጥሮ ሳይንስ ተፈታኞች በበይነ መረብ (ኦንላይን) እና በዩኒቨርሲቲ ውስጥ በወረቀት ይሰጣል። Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

#AddisAbaba የ12ኛ ክፍል መልቀቂያ ብሔራዊ ፈተና በበይነ መረብ (ኦንላይን) ከሚሰጥባቸው ከተሞች አንዱ የአዲስ አበባ ከተማ አስተዳደር ስለመሆኑ ተሰምቷል። ይህን ተከትሎ የፈተና ቅድመ ዝግጅት ተግባራት ላይ ያተኮረ ውይይት ዛሬ ሲካሄድ ውሏል። የአዲስ አበባ ከተማ ትምህርት ቢሮ ኃላፊው ዶ/ር ዘላለም ሙላቱ ፤ " የ2016 ዓ/ም የ12ኛ ክፍል መልቀቂያ ፈተና በከተማው በኦንላይን ለመስጠት ቅድመ ዝግጅት እየተደረገ ነው " ብለዋል። ለፈተናው ኮምፒዩተሮች፣ ላፕቶፖችና ታብሌቶችን ጨምሮ ሌሎች ግብአቶችን የማሟላት ስራ ተጀምሯል ተብሏል። የግል ትምህርት ቤቶች ለፈተናው የሚያስፈልጉ ግብአቶችን ከወዲሁ እንዲጀምሩ ጥሪ ቀርቧል። ትምህርት ሚኒስቴር የ2016 ዓ.ም 12ኛ ክፍል መልቀቂያ ብሔራዊ ፈተና በተመረጡ ከተሞች በኦንላይን እንደሚሰጥ ማሳወቁ ይታወሳል። ሙሉ በሙሉ ፈተናው በኦንላይን ባይሰጥም  በተመረጡ ከተሞች ያሉ የተመረጡ ተማሪዎች በኦንላይን ፈተናቸውን ይወስዳሉ ተብሎ ይጠበቃል። የቀሩት ተማሪዎች በተለመደው ሁኔታ ዩኒቨርሲቲ ገብተው በወረቀት ይፈተናሉ። እስካሁን በየትኞቹ ከተሞች ያሉ የተመረጡ ተማሪዎች ፈተናውን በኦንላይን ይወስዳሉ የሚለው አይታወቅም። በምን አግባብ ተማሪዎቹ እንደሚመረጡም ለጊዜው በይፋ የሚታወቅ ነገር የለም። የ12ኛ ክፍል ብሔራዊ ፈተና ከሐምሌ 3 እስከ ሐምሌ 5 ለማህበራዊ ሳይንስ ፤ ከሐምሌ  9 እስከ ሐምሌ 11 ቀን 2016 ዓ/ም ለተፈጥሮ ሳይንስ ተፈታኞች በበይነ መረብ (ኦንላይን) እና በዩኒቨርሲቲ ውስጥ በወረቀት ይሰጣል። Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

Thursday's progress is loading... Loading ... 5% █▒▒▒▒▒▒▒▒▒▒▒▒▒▒ 5% Stay tuned! ══════════════ 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

🌟 Attention all channel members! 📚 Let's join forces and make a difference in exam preparation! Share your latest model exams with @EtMathsNetworkBot to build a powerful study tool for each other! #️⃣Hashtags: #Grade6 #Grade8 #Grade12 🌍 Locations: #NefasSilk #Yeka #Bole #Lideta #Kirkos #Gulele #Arada #Kolfe #AddisKetema #Akaki #... Together, we can conquer regional and national exams and reach new heights of success! 💪 Your name will be featured upon request when your exam is posted (Optional). We'll start sharing the exams after Thursday's grade 6 model exam. Huge thanks to those who have already contributed! 🙌 Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

የ2016 የትምህርት ዘመን የኢትዮጵያ ሁለተኛ ደረጃ ትምህርት ማጠናቀቂያ (12ኛ ክፍል)ፈተና የሚሰጥበት ቀን ይፋ ሆነ። የ12ኛ ክፍል ሀገር አቀፍ ፈተና ሐምሌ 3-5  ለማህበራዊ ሳይንስ ሐምሌ  9-11/2016 ዓ/ም ለተፈጥሮ ሳይንስ ተፈታኞች በበይነ መረብ (Online) እና በዩኒቨርሲቲ ውስጥ በወረቀት ይሰጣል። በወረቀት ላይ የሚፈተኑ የማህበራዊ ሳይንስ ተፈታኞች ሰኔ 30-ሐምሌ 01/2016 ዓ/ም እንዲሁም የተፈጥሮ ሳይንስ ሐምሌ  6-7/2016 ዓ/ም ወደ ዩኒቨርስቲ የሚገቡ ይሆናል። ስለሆነም ተፈታኞች እና የሚመለከታቸው ሁሉ ተገቢውን ዝግጅት እንዲያደርጉ እናሳስባለን። የፈተና ስርቆትንና ኩረጃን በጋራ እንከላከል። የትምህርት ምዘናና ፈተናዎች አገልግሎት Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

Best wishes to Grade 6 and 8 students as your model exam begins tomorrow. 🌟 • Believe in yourself and your abilities. 💪 • Wake up tomorrow with a positive mindset and a can-do attitude. ☀️ • Take deep breaths and stay focused throughout the exam. 🧘‍♂️ May your pencils be sharp and your minds even sharper. ✏️🧠 Remember, success isn't measured solely by the outcome of a single exam but by the progress you have made and the effort you have put forth. Regardless of the results, we want each and every one of you to know that we're proud of you. You are capable, intelligent, and ready to conquer anything that comes your way. 🌠 Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

GRADE 6 MODEL EXAMS PREPARED BY SUB CITIES OF ADDIS ABABA in 2015 1. Addis Ababa Education 1st Model 2. Addis Ababa Education 2nd Model 3. Lemikura Sub City 3rd Model exam 4. Yeka Sub City 3rd Model exam Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

GRADE 6 MODEL EXAMS PREPARED BY SUB CITIES OF ADDIS ABABA in January 2016 1. LIDETA SUBCITY  MODEL EXAM G-6 2. NIFAS SILK LAFTO SUBCITY  G-6 3. YEKA SUBCITY MODEL EXAM G-6 4. KOLFE KERANIO SUB CITY G-6 ADDITIONAL 1. Yeka W12 model exam 2. Yeka Subcity W08 3. Bruh tesfa cluster 3. ግብረ ገብ Model exams Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

Grade 8 Model exams prepared by sub cities of and Addis Ababa 2015 👇👇👇 1. ADDIS ABABA EDU. BUREAU (1st M) 2. ADDIS ABABA EDU. BUREAU (2nd M) 3. KIRKOS SUB CITY (3rd M) 4. ARADA SUB CITY  (3rd M) 5. LEMIKURA SUB CITY (3rd M) 6. YEKA SUB CITY (3rd M) 7. NIFAS SILK LAFTO (3rd M)

GRADE 8 FIRST SEMESTER MODEL EXAMS PREPARED BY SUB CITIES OF ADDIS ABABA in January 2016 1. ARADA SUBCITY  MODEL EXAM G-8 2. LIDETA SUBCITY  MODEL EXAM G-8 3. YEKA SUBCITY MODEL EXAM G-8 4. KOLFE KERANIO SUBCITY MODEL EXAMS G-8 Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

GRADE 8 FIRST SEMESTER MODEL EXAMS PREPARED BY SUB CITIES OF ADDIS ABABA in January 2016 1. ARADA SUBCITY  MODEL EXAM G-8 2. LIDETA SUBCITY  MODEL EXAM G-8 3. YEKA SUBCITY MODEL EXAM G-8 4. KOLFE KERANIO SUBCITY MODEL EXAMS G-8 Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋

🔹Types Of Matter Matter is anything that has mass and occupies space. ☄ Matter is classified into 2. 1. Pure substances and 2. Mixtures  1. Pure Substances A matter that is made up of only one kind of particle or one kind of atom/molecule is defined as a pure substance. Examples: gold, silver, iron, etc. ☄ Pure substances are subdivided into two types. 1.1 Elements and 1.2 Compounds 1.1 Element  is a subdivision of a pure substance which is made of a single kind of atom and can not be further broken down into a much simpler substance. ☄Elements are further classified in to 4: 1.1.1 Metals 1.1.2 Non- Metals 1.1.3 Metalloids and 1.1.4 Noble gases 1.1.1 Metals: Metals are elements which easily lose electrons. For Example: aluminium, iron etc. They are lustrous, good conductors, malleable, ductile and sonorous. 1.1.2 Non- Metals: Non metals are elements which easily gain electrons to become stable. Example: oxygen, chlorine. Metals are non-lustrous, easily breakable, have low density etc. 1.1.3 Metalloids : the elements which possess the properties of both metals as well as non metals are called metalloids. Example: silicon, boron etc. They are basically called amphoteric in nature. 1.1.4 Noble gases: noble gases are those elements which do not react and have completely filled the outermost shell. For Example: neon, argon etc. 1.2 Compounds A compound is a type of pure substance which is formed chemically by the combination of two or more substances but in a fixed proportion. ☄Compounds divided into 2: 1.2.1 Organic and 1.2.2 Non-Organic:  1.2.1 Organic : organic substances are those substances which are formed by combination of carbon-hydrogen bonds.  1.2.2 Non-Organic: non organic compounds are the one which do not have the carbon-hydrogen bonding. 2. Mixtures  Mixtures are the type of matter which form by mixing more than one kind of atom, particle, or substance. ☄Types of mixtures 2.1 Homogeneous mixtures and 2.2 Heterogeneous mixtures 2.1 Homogeneous mixtures are the mixtures in which the different substances are mixed together but uniformly. 2.2 Heterogeneous mixtures are those mixtures in which the different substances are mixed but the composition is not uniform throughout. Join🔻 ══════════════ • https://t.me/ETMathsNetwork • Don't forget to react and share. •♥•♥ Many Thanks ♥•♥• 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐄𝐃𝐔𝐂𝐀𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋