Описание Class 9 Science Note

The app is an
aggregation of definitions, formulas and notes of class 9
science note
in most systematic way.
It will help in quick revision before examination.
Useful for class 9 science concepts everyone should know.
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This app includes the following chapters:
"Chapter 1 : MATTER IN OUR SURROUNDINGS",
"Chapter 2: Purity of Matter",
"Chapter 3: ATOMS AND MOLECULES",
"Chapter 4: Cell - the basic unit of life",
"Chapter 5: THE FUNDAMENTAL UNIT OF LIFE",
"Chapter 6: TISSUES",
"Chapter 7: Biological Diversity",
"Chapter 8: REPRODUCTION",
"Chapter 9: FORCE AND LAWS OF MOTION",
"Chapter 10: GRAVITATION",
"Chapter 11: Work and Energy",
"Chapter 12: Sound",
"Chapter 13: Natural Resources"