science

This subject covers units such as chemistry, physics and, biology

Physics covers chapters such as Sound, Energy, Motion, Heat, Electricity and Magnetism, Light Energy and, Physical Quantities and Measurements

Physics

Chemistry covers chapters such as Atomic Structure, Acids, Bases and Salts, Metals and Non-metals, Chemistry in Everyday Life, Physical and Chemical Changes, Elements, Compounds and Mixtures, Language of Chemistry and, Matter and Its Composition

Chemistry

Biology covers chapters such as Allergy, Five Kingdom Classification, The Cell, Human Nervous System, Nutrition in Animals and Plants, Respiration and Transpiration, Excretion in Animals and Plants and, Life Under Microscope

Biology

Lakhmir Singh's Science Biology

Lakhmir Singh's Science Chemistry

Lakhmir Singh's Science Physics

Innovative Chemistry

Innovative Physics

FRANK NEW CERTIFICATE - Biology

FRANK NEW CERTIFICATE - Chemistry

Exploring Biology Class-7

Inspired Chemistry-7

FRANK NEW CERTIFICATE - Physics

Concise Chemistry Middle School for Class 7

Concise BIOLOGY Middle School 7

Simplified Chemistry

Concise PHYSICS Middle School 7

New Oxford Modern Science Biology Class 7

Thermos Flask

Production of Sound in Humans

Classification of Animals

Classification of Drugs

Food Preservation

Speedometer and Odometer

Food Preservation (Pasteurisation)

The Two Worlds of Monera - Archaea and Eubacteria

Physical Quantity as Ratios

Basic Definition of Motion

Pinhole Camera: Construction

Locomotion in an Earthworm

Components of the Axial Skeleton

Earth's Magnetic Field: An Overview

Terrestrial Magnetism

Series and Parallel Connection

Uses of Oxygen Gas

Chemical Names and Formulae of Metals and Minerals

AIDS: Causes and Symptoms

Allergy, Its Symptoms and Treatment

Determination of Speed of Sound

Introduction to Scalars & Vectors

Distance vs Displacement

Displacement as Change in Position

Introduction to Units

Volume and Its Units

Reflex Action

Synaptic Transmission

Cranial Nerves

Spinal Nerves

Types of the Nervous System

Neuroglial Cells and Their Functions

Joint and Its Types

Human Respiratory System

Structure of Neuron

Plant Kingdom and Its Importance

Sexual Reproduction in Fungi

Classification of Living Things

An Elementary Study of Domestic Electric Circuits

Behaviour of Iron Filings Around a Bar Magnet

Electrical Energy and Flow of Charge in a Circuit

Primary Colours of Light

Coordination in Plants

Nervous System: The Conductor of the Orchestra

The Categories of Stimulus and Response

Neuronal Coordination

Kidney as the Body Filter

Theories for Ascent of Sap

Chloroplast

Raw Materials for Photosynthesis

Types of Autotrophic Nutrition

Salt Solutions

Chemical Properties of Acids and Bases

pH of a Solution

Common Element Present in Acids

Study of Infrasound and Ultrasound in Waves

Factors Affecting the Speed of Sound in Air

Sound Propagation

Density of Substances

Equations of Motion Using Graphs

Uniform and Non-uniform Motion on Graphs

Average Speed as a Tool of Comparison

More on Speed and Velocity

Yeast and Fungi

Protozoans

Rule of Binomial Nomenclature

Classification of Eukaryotic Organisms

Muscular and Nervous Tissue

Connective Tissues

Complex Tissues (Xylem and Phloem)

Simple Permanent Tissue: Parenchyma

Origin of Atomic Number and Mass Number

Molecules of Elements and Compounds

What Are Compounds?

Atoms, Molecules and Ions

Physical and Chemical Changes Explained

Simple Distillation

Mixtures

The Three Phases of Water

The Three States of Matter

Musical Sound and Noise

Loudness and Pitch

Chemistry of Fire

Reactions of Metals with Bases

Reactions of Metals with Acids

Reaction of Metals with Water

Reaction of Metals with Oxygen

Microbes - Tiny but Deadly

Algae and Diatoms - Structure and Habitat

Process of Transpiration

White Light: Mixture of Seven Colours

Nature of Image Formed by a Concave Mirror

Nature of Image Formed by a Plane Mirror

Working of an Electric Bell

Electromagnet and Its Application

Symbols of Circuit Components

Distance-time Graph

Diffusion in Plants and Humans

Respiration in Fishes

Gaseous Exchange in Animals

This chapter covers topics like introduction to allergy, allergens: types and entry routes, types and symptoms of allergies, and prevention of allergies.

Allergy

This chapter covers topics like introduction to movement and locomotion, locomotion in microorganisms, locomotion in various animals, movement in human beings, and movement in plants.

Movement in Animals and Plants

This chapter covers topics like introduction to human nervous system and some important terms related to it, central nervous system, peripheral nervous system, neuron, nerves, and reflex action.

Human Nervous System

This chapter covers topics like excretion and excretory products, accessory excretory organs, human excretory system, common disorders of the urinary system, urine formation and composition of urine, dialysis, osmoregulation, and excretion in plants.

Excretion in Animals and Plants

This chapter covers topics like teeth, human digestive system, ingestion and digestion, and absorption.

Ingestion, Digestion, Absorption and Assimilation in Humans

This chapter covers topics like introduction to respiration and its types, respiration in humans, respiratory organs of some other animals, respiration in plants, and transpiration in plants.

Respiration and Transpiration

The chapter covers topics like nutrition and types of nutrition, components and classification of food, balanced diet and amount of food to be eaten, food fads, introduction to nutrition in plants, photosynthesis, and nutrient requirements of plants.

Nutrition in Animals and Plants

This chapter covers topics like introduction to microorganisms and various groups of microorganisms, bacteria, fungi, algae, protozoa, virus, conditions for the growth of microorganisms, along with how to avoid infection and spoilage of food.

Life Under Microscope

This chapter highlights the features of species and the categories of higher species. It explains the drawbacks of the old kingdom classifications—kingdom Plantae and Animalia. It also discusses the general scheme of five-kingdom classification.

Five Kingdom Classification

This chapter covers topics like definition and different levels of organisation, introduction to tissues, plant tissues, animal tissues, organ and organ system.

Organisation in Living Things

This chapter discusses plant cells and animal cells, along with their cell organelles and functions. The diagrams of a plant and animal cells are provided here. It also explains cell wall, membrane, plastids, nucleus, vacuole and cytoplasm.

The Cell

This chapter describes acids, bases and salts and their chemical properties. We will learn about the pH scale, its importance and the classification of salts. It also discusses the preparation of normal salts and their general properties.

Acids, Bases and Salts

This chapter explains the importance of chemistry in our daily lives. We will learn the classification of drugs and the mechanism of drug action. It also discusses some chemicals which are used as artificial sweetening agents and food preservatives.

Chemistry in Everyday Life

This chapter covers topics like air and its components, and air pollution.

Air and Atmosphere

This chapter explains the classification of elements into metals and non-metals. It covers their physical and chemical properties. Further, it explains the various methods of extraction of metals from ores and the reactivity order of metals.

Metals and Non-metals

This chapter deals with various chemical equations and chemical formulae with the help of assorted exercises. It also discusses the chemical symbols of different elements and their atomicity using objective and subjective answer-type questions.

Language of Chemistry

In this chapter, we will solve questions based on the structure of an atom, and various theories and models related to the atom. In addition, there are assorted exercises provided here on atomic number, mass number, and isotopes.

Atomic Structure

This chapter deals with the classification of matter. We will study different types of mixtures and the need for separating the components of a mixture. It also highlights various methods by which we can separate the components of a mixture.

Elements, Compounds and Mixtures

In this chapter, we will learn the classification of changes, which are physical and chemical change. It highlights the difference between them along with various examples. It also explains the characteristics of physical and chemical change.

Physical and Chemical Changes

This chapter covers topics like composition and properties of matter, states of matter, and interconversion of matter.

Matter and its Composition

This chapter covers topics like magnets and magnetism, electromagnet, electric bell, earth as a magnet, electricity and its sources, effects of electricity, conductors and insulators of electricity, and electric circuit.

Electricity and Magnetism

This chapter comprises the details of loudness, pitch and quality of sound. It describes the musical instruments which include wind instruments, stringed instruments and the percussion instruments. We will also learn about the unit of loudness.

Sound

In this chapter, we will study the concept of heat and temperature. It illustrates the thermal equilibrium and thermal expansion, along with their differences. We will also learn about the anomalous behaviour of water with the help of experiments.

Heat

The chapter discusses ray diagrams and construction of images. It covers terms related to spherical mirrors. It describes the images formed by concave and convex mirrors. It also explores refraction and dispersion of light and the laws of refraction.

Light Energy

The chapter describes the situations when there is no work done. We will learn to measure work and its units. Kinetic and potential energies are discussed here in brief. It also discusses the transformation of energy and the work-energy relationship.

Energy

This chapter discusses the basic principles of motion, how to measure the rate of motion, graphical representation of motion, how to get the equation of motion and uniform circular motion by graphical method.

Motion

This chapter covers topics like basic physical quantities and units, measurement and units of volume, measurement and units of area, density and relative density, and speed.

Physical Quantities and Measurements

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