Kolkata National Prelims Antaragni-2014 Grand finaleSomnath Chanda
Team from IIM-Kolkata came 3rd, doctors from CMC came 2nd best and the winner was a cross college team (Techno India, Salt Lake + JU + Presidency College).
Generational changes and trends pose a great challenge to child upbringing in the society today.
How could godly, healthy and positive parenting be done in our post-modern society?
This document is a study guide for a plant biology activity that discusses various processes of transport in plants. It covers: 1) how xylem transports water and minerals upwards, 2) how phloem transports sugar to other plant parts, and 3) how leaves take in carbon dioxide and release oxygen during photosynthesis. The document then goes into more detail about proton pumps, lateral transport routes, water transport in stems, transpiration, stomata control, phloem loading, and bulk transport in phloem.
Kolkata National Prelims Antaragni-2014 Grand finaleSomnath Chanda
Team from IIM-Kolkata came 3rd, doctors from CMC came 2nd best and the winner was a cross college team (Techno India, Salt Lake + JU + Presidency College).
Generational changes and trends pose a great challenge to child upbringing in the society today.
How could godly, healthy and positive parenting be done in our post-modern society?
This document is a study guide for a plant biology activity that discusses various processes of transport in plants. It covers: 1) how xylem transports water and minerals upwards, 2) how phloem transports sugar to other plant parts, and 3) how leaves take in carbon dioxide and release oxygen during photosynthesis. The document then goes into more detail about proton pumps, lateral transport routes, water transport in stems, transpiration, stomata control, phloem loading, and bulk transport in phloem.
This document provides a review for a Physical Science final exam, outlining 9 competencies covered on the exam. It includes 75 multiple choice and short answer questions testing understanding of concepts in motion, waves, electricity, thermodynamics, atomic structure, nuclear processes, bonding, and acids/bases. Sample questions assess knowledge of the scientific method, graphing, Newton's laws, energy transformations, electromagnetic radiation, the periodic table, nuclear reactions, and chemical equations.
SOALAN ULANGKAJI SPM 2014 :
1.BM
2.BI
3.MATH
4.SEJARAH
5.SAINS
6.ADD MATH
7.FIZIK
8.KIMIA
9.BIO
10.P.PERAKAUANAN
11.PERDAGANGAN
* 1.untuk dapatkan skema jawapan sila layari
http://e-learningsmktsj2.blogspot.com/
2.Cari nama folder ULANGKAJI SPM 2014 pada box MUAT TURUN BAHAN bahagian paling bawah post dan klik download.
This document provides an introduction to basic chemistry concepts related to cells, focusing on water and macromolecules. It discusses how water makes up 60-95% of living organisms, and its important properties including polarity, hydrogen bonding, high heat capacity, heat of vaporization, and surface tension. It also summarizes the three main types of macromolecules - polysaccharides, proteins, and nucleic acids - and provides details on carbohydrates including monosaccharides like glucose and their ring structures.
Dokumen tersebut merangkum proses perkembangan manusia dari zigot hingga fetus. Ia memulakan dengan penyatuan sperma dan ovum untuk membentuk zigot, diikuti oleh pembahagian sel zigot menjadi morula, kemudian membentuk blastosista yang menempel pada dinding rahim untuk membentuk embrio. Embrio terus berkembang menjadi fetus yang mendapat nutrien daripada plasenta. Plasenta berfungsi untuk mengawal bahan
This document provides information and advice about studying for the Form 4 and Form 5 biology exams in Malaysia. It lists popular topics covered in each exam and common student complaints about the subject. It then offers solutions for effective study, such as creating concept maps while reading and identifying content as facts, descriptive processes, or correlative explanations requiring reasoning. A strategic revision schedule is outlined along with exam day tips to help students feel prepared and relaxed.
This document describes the procedures for several experiments investigating biological processes:
1. An experiment to determine the concentration of sucrose solution isotonic to potato cell sap by measuring changes in length of potato strips in different sucrose concentrations.
2. An experiment examining the effect of albumen concentration on the rate of enzyme reaction by pepsin by measuring the time for solutions to turn colorless.
3. An experiment measuring the energy content of different foods like cashew nuts, peanuts, and bread by recording the increase in temperature of water heated by samples.
4. An experiment determining the vitamin C concentration in different fruit juices like guava, orange, and pineapple by measuring the volume needed to decolorize a
Modul perfect score sbp biology spm 2014 skemaCikgu Pejal
The document is a biology module that provides information about cell structure and function:
1. It includes diagrams labeling parts of the animal cell (nucleus and centriole) and explaining their roles in cell division.
2. Sections discuss red blood cell structure and response to solutions of different concentrations, explaining isotonic, hypotonic and hypertonic conditions.
3. Cell division, tissue culture, and their use in increasing plant populations are described.
4. Immune system mechanisms like phagocytosis and types of immunity (natural and artificial active immunity) are outlined.
The document discusses the circulatory system in multicellular organisms. It begins by explaining that multicellular organisms need a transport system to distribute resources and remove waste throughout the body since diffusion is not efficient over large distances. The key components of the human circulatory system are then described in more detail, including the blood, blood vessels, and heart. The blood contains plasma and cellular components like red blood cells, white blood cells, and platelets. The heart pumps blood through a network of arteries, capillaries, and veins to deliver oxygen and nutrients and remove carbon dioxide and wastes.
Dokumen tersebut membahas tentang sistem peredaran darah pada manusia, ikan, dan amfibia. Sistem peredaran manusia terdiri dari peredaran pulmonari dan sistematik, ikan menggunakan sistem peredaran tunggal, sedangkan amfibia menggunakan sistem peredaran ganda dua.
The document discusses the human nervous system and its role in response and coordination. It describes:
1) The human nervous system collects information from internal and external stimuli, transmits it to processing centers in the brain and spinal cord, coordinates responses, and maintains homeostasis.
2) The brain is divided into the cerebrum, cerebellum, and brain stem. The cerebrum controls voluntary movement and complex cognitive functions while the cerebellum controls movement coordination and balance.
3) Neurons are the basic functional units of the nervous system, connecting the brain to receptors and effectors via electrically signaling axons surrounded by a myelin sheath for fast transmission.
Executive summary of Electric vehicle charging station for business plan presentation in ICAR-NAARM and this was written by referring some of the business running models in abroad.
Tendencias 2020: Las diez áreas que más van a cambiar en nuestras bibliotecasJulián Marquina
El pasado día 15 de octubre tuve el placer de participar en la mesa “Tendencias 2020: Las diez áreas que más van a cambiar en nuestras bibliotecas”, celebrada dentro de las 3as. Jornadas de Bibliotecas de Extremadura, como presentador de la misma y rodeado de grandes profesionales como Lorena Gómez, Cristina Novoa y Honorio Penadés.
This document provides 42 multi-part physics problems involving Newton's laws of motion. The problems cover concepts such as force, mass, acceleration, weight, and their relationships. Some sample answers are provided. The problems involve calculating unknown values like force, mass, or acceleration given information about real-world scenarios involving objects in motion or at rest under the influence of various forces.
1. This document discusses different types of waves including transverse, longitudinal, and electromagnetic waves. It defines key wave properties such as amplitude, wavelength, frequency, period, and wave speed.
2. Frequency is defined as the number of vibrations per second, measured in Hertz (Hz). Period is the time for one full vibration. Frequency and period are inversely related.
3. Examples are provided to demonstrate calculating wave properties like frequency, period, wavelength, and wave speed from information given about the wave.
This document discusses electrical power and energy. It explains that power is calculated as current multiplied by voltage, and is measured in watts. It asks the reader to calculate the power needed to operate a clock radio drawing 0.05 amps from a household circuit. The document also explains that electrical energy is provided by power companies and sold to homeowners in units of kilowatt-hours, which is 1000 watts delivered for one hour. It provides an example of calculating the electrical energy used and cost for a 1200W toaster oven used for 15 minutes.
This document explains the differences between alternating current (AC) and direct current (DC). It defines AC as an electric current that periodically reverses direction and changes its magnitude continuously with time in contrast to DC, which flows in one direction. The document also outlines the key characteristics of series and parallel electric circuits. Series circuits have the same current flowing through all elements and the total voltage is divided among the elements. Parallel circuits have the same voltage across each element and the total current is the sum of the currents in the individual branches. The document concludes by noting that fuses are used to prevent circuit overloading by melting and breaking the circuit if too much current passes through.
This document provides an Ohm's Law worksheet with 6 practice problems calculating voltage, current, and resistance using the equations: I = V/R, R = V/I, and V = IR. Students are asked to use these equations to find the missing value in each circuit scenario, such as calculating the voltage applied to a light bulb with a known current and resistance.
This document contains a worksheet on Ohm's Law with 14 problems. The worksheet provides the three forms of Ohm's Law and asks students to calculate values like voltage, current, and resistance using circuits with resistors and batteries. Students are asked to determine unknown values, total resistances, and currents in various circuit diagrams applying the relationships defined by Ohm's Law.
This document provides an Ohm's Law worksheet with 6 practice problems calculating voltage, current, and resistance using the equations: I = V/R, R = V/I, and V = IR. Students are asked to use these equations to find the missing value in each circuit scenario, such as calculating the voltage applied to a light bulb with a known current and resistance.
This document discusses resistance and Ohm's Law. It describes the key parts of Ohm's Law including volts, amps, and resistance. It also explains how to calculate an unknown value using two known values and Ohm's Law. Examples are provided to demonstrate calculating current and resistance using Ohm's Law. The document also discusses how resistance affects current and electric shock, and provides examples of calculating current through the body at different resistances and voltages.
Static electricity and electrical currantssbarkanic
This document defines static electricity and current electricity. It explains that static electricity is caused by an imbalance of electric charges, usually through rubbing materials together, while current electricity involves the controlled flow of electrons. It distinguishes conductors that allow electron flow from insulators that do not, and describes how static charges build up and arc in lightning.
This document covers acids and bases, including definitions, properties, examples and the pH scale. It also discusses acid rain, its effects and causes. For radioactivity, it defines different types and compares the strong force to the electric force in alpha and beta equations. It explains transmutation, half-life, fission and chain reactions. Additionally, it outlines nuclear power plants, how they create electricity from fission, reasons for past meltdowns and pros and cons of nuclear power. Finally, it addresses the big bang theory, evidence supporting it, the potential end of the universe, star formation, star types and life cycles.
This document discusses chemical equations and reactions. It explains that chemical equations are used to represent chemical reactions, and that they consist of reactants on the left side of the arrow yielding products on the right. It also describes how to balance chemical equations by adjusting coefficients so that the same number of each type of atom is on both sides of the equation. Balancing chemical equations ensures conservation of mass during chemical reactions.
Naming and writing compounds and moleculessbarkanic
This document provides instructions for writing formulas and naming ionic compounds, covalent molecules, and polyatomic ions. It explains that for ionic compounds, you write the symbols of the ions and use the crossover method to determine subscripts before naming the compound by writing the cation name followed by the anion name with "ide." For covalent molecules, Greek prefixes indicate subscripts and the name is written by specifying each element followed by the number of atoms. Polyatomic ions are also named and included in ionic compounds by looking up their formula and charge. Examples and practice problems are provided to demonstrate the process.
1) The document provides instructions for drawing Lewis structures to show ionic and covalent bonding between various elements. Students are asked to draw Lewis structures for pairs of elements, and indicate electron transfers or sharing to write chemical formulas. 2) For ionic bonds, students should draw Lewis structures, arrows to show electron transfer, charges for each ion, and chemical formulas. 3) For covalent bonds, the instructions are to draw Lewis structures, circles around shared electrons, bond structures, and chemical formulas.
The document discusses atomic spectra and the Bohr model. It explains that atoms can absorb and emit light at specific frequencies, and this atomic spectrum acts as a fingerprint that can be used to identify elements. The Bohr model describes electrons occupying different energy shells around the nucleus, and electrons absorbing and emitting energy by jumping between shells and releasing light. The document also briefly mentions flame tests and spectroscopes as methods to observe atomic spectra.
Ernest Rutherford (1871-1937) was a notable British physicist and chemist who made seminal contributions to the development of the modern atomic model. Through his gold foil experiment in 1911, Rutherford was able to formulate the Rutherford model of the atom, which established that atoms have a small, positively charged nucleus surrounded by low-mass electrons. For this breakthrough discovery, Rutherford received numerous honors including the Nobel Prize in Chemistry in 1908. His work fundamentally changed scientific understanding of atomic structure.
Lise Meitner was an Austrian/German physicist born in 1878 who made significant contributions to nuclear physics. She received her doctorate in 1905 as the second woman to earn a PhD from the University of Vienna. In 1938, Meitner, Otto Hahn, and Fritz Strassmann discovered nuclear fission when bombarding uranium with neutrons. This splitting of uranium atoms led to additional neutrons and the potential for an explosive chain reaction. Sadly, her discovery was later used in 1945 for the atomic bomb dropped on Hiroshima. Meitner received several honors for her work, including the Max Planck medal in 1949.
Murray Gell-Mann was born in 1929 and is still living. He graduated valedictorian from Columbia Grammar School and attended Yale University at age 15. Gell-Mann won the 1969 Nobel Prize in Physics. In 1964, he discovered the quark, which makes up protons and neutrons in the nucleus. Quarks have never been isolated due to their small size of 10-15 mm. Gell-Mann is also interested in activities like bird watching and collecting antiques.
Democritus was a Greek philosopher born around 460-457 BC in Abdera, Thrace. He developed the first atomic theory, proposing that all matter is made up of indivisible atoms moving through empty space. Democritus believed that atoms were the fundamental building blocks of the natural world and that their behavior determined natural phenomena. He and his mentor Leucippus are considered the founders of atomic theory. Democritus was highly respected in his lifetime for making discoveries and predictions that were later proven true.
James Chadwick was a British physicist born in 1891 who is known for discovering the neutron. He received several honors for his work, including the Nobel Prize in Physics in 1935. Chadwick served in World War I and was a prisoner of war. He also participated in the Manhattan Project during World War II. Chadwick's model of the atom focused on neutrons, differing from Niels Bohr's model which depicted electrons in rings. Both models showed the structure of the atom but represented it differently.