Quick Revision Strategy for Passing Marks:
Book Back 1-Marks: Practice these daily. They account for nearly 12-15 marks.
Diagrams: Learn to draw the Human Heart, Neuron, and Eye Defects.
Differences: Study tables comparing Mass vs. Weight, Ideal Gas vs. Real Gas, and Myopia vs. Hypermetropia.
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1. Physics: Important Simplified Concepts
Newton’s Laws of Motion
First Law: Every object stays at rest or in uniform motion unless an external force acts on it. This is also called the Law of Inertia.
Second Law: The force acting on a body is directly proportional to the rate of change of its linear momentum ($F = ma$).
Third Law: For every action, there is an equal and opposite reaction. (Example: Rocket propulsion).
First Law: Every object stays at rest or in uniform motion unless an external force acts on it. This is also called the Law of Inertia.
Second Law: The force acting on a body is directly proportional to the rate of change of its linear momentum ($F = ma$).
Third Law: For every action, there is an equal and opposite reaction. (Example: Rocket propulsion).
Optics & Defects of Vision
Myopia (Short-sightedness): A person can see nearby objects but not distant ones. It is caused by the lengthening of the eyeball. It is corrected using a Concave Lens.
Hypermetropia (Long-sightedness): A person can see distant objects but not nearby ones. It is caused by the shortening of the eyeball. It is corrected using a Convex Lens.
Tyndall Effect: The scattering of light beams by colloidal particles is called the Tyndall effect.
Myopia (Short-sightedness): A person can see nearby objects but not distant ones. It is caused by the lengthening of the eyeball. It is corrected using a Concave Lens.
Hypermetropia (Long-sightedness): A person can see distant objects but not nearby ones. It is caused by the shortening of the eyeball. It is corrected using a Convex Lens.
Tyndall Effect: The scattering of light beams by colloidal particles is called the Tyndall effect.
Electricity & Acoustics
Ohm’s Law: At constant temperature, the steady current ($I$) flowing through a conductor is directly proportional to the potential difference ($V$) between its ends ($V = IR$).
Echo: An echo is the sound reproduced due to the reflection of original sound from a surface like a wall or mountain. The minimum distance to hear an echo is 17.2 meters.
Ohm’s Law: At constant temperature, the steady current ($I$) flowing through a conductor is directly proportional to the potential difference ($V$) between its ends ($V = IR$).
Echo: An echo is the sound reproduced due to the reflection of original sound from a surface like a wall or mountain. The minimum distance to hear an echo is 17.2 meters.
2. Chemistry: Core Basics
Atoms and Molecules
Relative Atomic Mass (RAM): It is the ratio of the average mass of the isotopes of an element to 1/12th of the mass of a Carbon-12 atom.
Avogadro’s Law: Equal volumes of all gases under the same conditions of temperature and pressure contain an equal number of molecules.
Relative Atomic Mass (RAM): It is the ratio of the average mass of the isotopes of an element to 1/12th of the mass of a Carbon-12 atom.
Avogadro’s Law: Equal volumes of all gases under the same conditions of temperature and pressure contain an equal number of molecules.
Periodic Classification & Reactions
Modern Periodic Law: The physical and chemical properties of elements are periodic functions of their atomic numbers.
Corrosion: The slow chemical eating away of metals by the action of air and moisture. Prevention includes Galvanization (coating with Zinc) and Alloying.
Modern Periodic Law: The physical and chemical properties of elements are periodic functions of their atomic numbers.
Corrosion: The slow chemical eating away of metals by the action of air and moisture. Prevention includes Galvanization (coating with Zinc) and Alloying.
3. Biology: Life Processes
Plant and Animal Physiology
Photosynthesis: The process by which green plants make food using sunlight, and water in the presence of chlorophyll.
Blood Components: * RBC (Red Blood Cells): Carry oxygen (contains Hemoglobin).
WBC (White Blood Cells): Fight against diseases (Immunity).
Platelets: Help in blood clotting.
Photosynthesis: The process by which green plants make food using sunlight, and water in the presence of chlorophyll.
Blood Components: * RBC (Red Blood Cells): Carry oxygen (contains Hemoglobin).
WBC (White Blood Cells): Fight against diseases (Immunity).
Platelets: Help in blood clotting.
Genetics and Evolution
DNA: It is the hereditary material that carries genetic information from parents to offspring. It has a Double Helix structure discovered by Watson and Crick.
Ethnobotany: The study of the relationship between people of a particular region and their use of plants.
DNA: It is the hereditary material that carries genetic information from parents to offspring. It has a Double Helix structure discovered by Watson and Crick.
Ethnobotany: The study of the relationship between people of a particular region and their use of plants.
Tips for Slow Learners to Pass 10th Science:
Focus on Book Back 1-Marks: This section can easily give you 10-12 marks.
Learn Diagrams: Practice the human heart, eye defects, and the structure of a neuron. Even if the explanation is short, a neat diagram earns marks.
Prioritize Compulsory Questions: Usually, these are simple problems from "Laws of Motion" or "Electricity."
10th Science Slow Learner Material 2026, Samacheer Kalvi 10th Science Guide, TN SSLC Science Minimum Material. 10th Science Important Questions 2026, CEO Minimum Learning Material Science, 10th Science Public Exam 1-mark PDF. How to pass 10th Science Samacheer Kalvi, 10th Science simplified notes for slow learners, TN 10th Science passing marks guide.
Focus on Book Back 1-Marks: This section can easily give you 10-12 marks.
Learn Diagrams: Practice the human heart, eye defects, and the structure of a neuron. Even if the explanation is short, a neat diagram earns marks.
Prioritize Compulsory Questions: Usually, these are simple problems from "Laws of Motion" or "Electricity."
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