CLASS: IX :: Atoms and Molecules
CLASS: IX NCERT (CBSE)
Atoms and Molecules
SUMMARY
• The law of conservation of mass states that the masses of the reactants and products remain unchanged.
• The...
CLASS: IX :: Is matter around us Pure
Is matter around us Pure
CLASS: IX NCERT (CBSE)
SUMMARY
• Matter is anything that occupies space and has mass
• Element is a pure substance, which...
CLASS: IX :: Matter in Our Surroundings
Matter in Our Surroundings
CLASS: IX NCERT (CBSE) Chemistry
SUMMARY
Matter is any substance that has mass and occupies space. Matter is made up of small...
Management of Natural Resources CLASS: X NCERT (CBSE) BIOLOGY
Summary
• Environment refers to the natural elements that make up the earth and surround living organisms
• The abiotic or physical aspects of the environment refer...
Magnetic Effects of Electric Current CLASS: X NCERT (CBSE) PHYSICS
Summary
• An electric current produces a magnetic field.
• A magnetic field exists in the region surrounding a magnet, in which the force of the...
Electricity CLASS: X NCERT (CBSE) PHYSICS
Summary
1) Electric potential is the condition that determines direction of flow of charge. Electrical potential at a point in an electric field is defined...
Human Eye and Colourful World CLASS: X NCERT (CBSE) PHYSICS
Summary
Accommodation of the Eye:The process by which the ciliary muscles change the focal length of an eye lens to focus distant or near objects...
Light-Reflection and Refraction CLASS: X NCERT (CBSE) PHYSICS
Summary
Reflection of Light
Light is a form of energy which can be reflected either by a plane mirror or spherical mirror. Depending upon the type...
Heredity and Evolution Class: X CBSE NCERT
Summary
An important result of the reproductive cycle is production of similar featured individuals for generations. The transmission of characteristics through successive generations refers to...
How do Organisms Reproduce CLASS: X NCERT (CBSE) BIOLOGY
SUMMARY
• Reproduction is defined as the production of individuals of the same species, that is the next generation of the species.
• There are basically...
Life Processes: Nutrition CLASS: X NCERT (CBSE) BIOLOGY
Summary
Nutrition can be defined as the process by which an organism obtains food that is used
to provide energy and materials for its life sustaining...
CLASS: X NCERT (CBSE) CHEMISTRY: For Class 10 : Periodic Classification of Elements
Summary
Periodic Classification of Elements
• The grouping of elements with similar properties together and the separation of elements with dissimilar properties is known as classification...
CLASS: X NCERT (CBSE) Chemistry: For Class 10 – Carbon and its...
Summary
Carbon and its Compounds
• Study of the compounds of carbon is organic chemistry. They form the basis of living organisms and the things around...
CLASS: X NCERT (CBSE) SCIENCE: Chemistry – Metals and Non-metals
SUMMARY
Metals and Non-metals
• An electrolyte is a compound (salt, acid or base), which in solution or in a molten state conducts an electric current...
CLASS: X NCERT (CBSE) SCIENCE: Chemistry- Acids, Bases and Salts
Summary
Acids, Bases and Salts
1. Acidic substances generate H+ ions in the medium, while basic ones liberate OH- ions in the medium.
2. Certain dyes are...
Dr. APJ Abdul Kalam
Dr. APJ Abdul Kalam: The Missile Man of India and People's President
Introduction
Dr. Avul Pakir Jainulabdeen Abdul Kalam, popularly known as APJ Abdul Kalam, was...
NCERT brings out learning indicators for classes I to VIII
NCERT brings out learning indicators for classes I to VIII
Learning indicators for languages — English, Urdu and Hindi — have been fine-tuned to include...
pH of Common Chemicals
pH of Common Chemicals: Acids & Bases
List of the approximate pH of some common chemicals:
pH of Common Acids
0 - Hydrochloric Acid (HCl)
1.0 - Battery...
Engineering Quiz
Engineering Quiz
1. What kind of bridge is the Golden Gate Bridge in San Francisco?
2. In electricity, voltage is measured in volts while current is...
Matter in Our Surroundings SCIENTIA EDUCARE
CLASS: IX NCERT (CBSE)
Chemistry: For Class 9
Matter in Our Surroundings
SUMMARY
Matter is any substance that has mass and occupies space. Matter is made up of...