Class 10th Science Notes

Monday, June 25, 2018

Heredity and Evolution

Instant Photography June 25, 2018

CONCEPTS 1. The similarities between parents and their offspring are accounted for by ‘ heredity ’, and the dissimilarities by ‘ varia...

How do Organisms Reproduce?

Instant Photography June 25, 2018

CONCEPTS 1. In asexual reproduction , certain body cells undergo repeated mitotic divisions and give rise to two or more new organis...

Science Notes

Control and Coordination

Instant Photography June 25, 2018

IMPORTANT NOTES 1. Stimulus is defined as any change in the external or internal environment of an organism which brings about a respo...

Science Notes

Life Processes

Instant Photography June 25, 2018

IMPORTANT NOTES 1. Every living organism has a need of nutrition as it is through nutrition that one obtains energy. 2. The process ...

Science Notes

Periodic Classification of Elements

Instant Photography June 25, 2018

CONCEPTS 1. Early chemists classified elements as metals and non-metals on the basis of a set of physical and chemical properties. 2. ...

Science Notes

Carbon and Its Compounds

Instant Photography June 25, 2018

CONCEPTS 1. Organogens : The elements from which organic life starts are called organogens. Carbon is the backbone of organic life,...

Science Notes

Metals and Non-metals

Instant Photography June 25, 2018

IMPORTANT NOTES 1. Element is a substance which cannot be further subdivided into simpler substances by any physical or chemical m...

Science Notes

Acids, Bases and Salts

Instant Photography June 25, 2018

IMPORTANT NOTES 1. Acids generally have a watery touch and sour taste. Some acids are highly corrosive in nature and can cause severe bu...

Science Notes

Chemical Reactions and Equations

Instant Photography June 25, 2018

IMPORTANT NOTES 1. The changes which take place in substances can be broadly classified as physical changes and chemical changes. 2....

Sunday, June 10, 2018