Explore Chapter 14 – Substances in Common Use covering important salts like sodium chloride, baking soda, washing soda, bleaching powder, radioactive substances, food colours, dyes, Teflon, ceramics, anodizing and powder coating. Learn properties, uses, reactions, harmful effects and real-life applications with clear explanations for quick revision.

Explore Observing Space: Telescopes—learn forms of electromagnetic radiation, types of telescopes like optical, radio, X-ray, and space telescopes, key missions such as Hubble, Chandra, Astrosat, GMRT, and the role of scientists and ISRO in space science.

Learn about tissues in plants and animals, their types, structure, and functions, along with an introduction to biotechnology, tissue culture, GM crops, and their applications in agriculture and daily life.

Class 9 Science Chapter 16 explains heredity and variation, genetics, DNA and RNA structure, Mendel’s laws, monohybrid and dihybrid crosses, chromosomes, and genetic disorders in a clear, exam-oriented manner.

Class 9 Science Chapter 16 explains heredity and variation, genetics, DNA and RNA structure, Mendel’s laws, monohybrid and dihybrid crosses, chromosomes, and genetic disorders in a clear, exam-oriented manner.

Learn how living organisms transport water, minerals, food, and oxygen, and how they remove waste through excretion. Understand root pressure, transpiration, translocation, the human excretory system, the nervous system, endocrine glands, reflex actions, and coordination in plants and humans—all explained in simple, easy-to-understand language.

Sound — a complete explanation of sound waves, longitudinal waves, wavelength, frequency, amplitude, and velocity. Learn how sound travels in solids, liquids, and gases, the effect of temperature and density, audible and inaudible ranges, echo, reverberation, SONAR, ultrasound, and the working of the human ear. Perfect for quick revision, board exam preparation, and clear concept understanding.

Explore the fascinating world of light and reflection in this lesson from the Class 9 Science and Technology textbook. Learn how plane, concave, and convex mirrors form images, understand real and virtual reflections, discover the laws of reflection, and see how mirrors are used in daily life—from car mirrors to solar devices. Perfect for quick revision and concept clarity!

Learn about weather, climate, meteorology, monsoon prediction, solid waste management, and disaster preparedness in simple terms.

Learn about weather, climate, meteorology, monsoon prediction, solid waste management, and disaster preparedness in simple terms.

Explore the fascinating world of microbes, including beneficial bacteria like lactobacilli and rhizobium, and harmful ones like clostridium. Learn about fermentation, antibiotics, food spoilage, and how microbes impact health, agriculture, and industry.

This chapter explains the properties and reactions of acids, bases, and salts, including their dissociation in water, use of indicators, and the pH scale. It covers neutralization, electrolysis, conductivity, and water of crystallization with simple activities and real-life examples. The concepts are supported by chemical equations and practical applications for easy understanding.

This chapter explains the properties and reactions of acids, bases, and salts, including their dissociation in water, use of indicators, and the pH scale. It covers neutralization, electrolysis, conductivity, and water of crystallization with simple activities and real-life examples. The concepts are supported by chemical equations and practical applications for easy understanding.

Measurement of Matter. Understand Dalton’s atomic theory, laws of chemical combination, molecular and atomic mass, mole concept, Avogadro’s number, valency, radicals, and chemical formulae. Engaging explanations, experiments, and examples make complex topics easy for Maharashtra Board students. Ideal for exam prep and concept clarity.

Dive into the fascinating world of Kingdom Plantae. Explore the classification of plants into Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms. Understand the basis of classification such as presence of seeds, conducting tissues, and reproductive structures. Learn about plant diversity, cell structure, and the characteristics that distinguish monocots from dicots. Perfect for foundational biology learning.

Learn about work, energy, power, and their applications. Explore kinetic & potential energy, formulas, and real-life examples.

Learn about work, energy, power, and their applications. Explore kinetic & potential energy, formulas, and real-life examples.

Learn the concepts of motion, Newton’s laws, speed, velocity, acceleration, and real-world examples with easy explanations.