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Science Notes
ELECTRIC CHARGE AND ELECTRIC CURRENT Notes 9th Science Lesson 13 Notes in English
ELECTRIC CHARGE AND ELECTRIC CURRENT Introduction Like mass and length, electric charge also is a fundamental property of all matter.…
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UNIVERSE Notes 9th Science Lesson 12 Notes in English
UNIVERSE Introduction In the earlier days, before the invention of astronomical instruments, people thought that Earth is the centre of…
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CHEMICAL BONDING Notes 9th Science Lesson 11 Notes in English
CHEMICAL BONDING Introduction We already know that atoms are the building blocks of matter. Under normal conditions no atom exists…
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MATTER AROUND US Notes 9th Science Lesson 9 Notes in English
MATTER AROUND US Introduction We use the term matter to cover all substances and materials from which the universe is…
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ATOMIC STRUCTURE Notes 9th Science Lesson 8 Notes in English
ATOMIC STRUCTURE Introduction Just as a small child wants to take a toy apart to find out what is inside,…
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Heat Notes 9th Science Lesson 7 Notes in English
Heat Notes 9th Science Lesson 7 Notes in English Introduction All substances in our surrounding are made up of molecules.…
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Sound Notes 9th Science Lesson 6 Notes in English
Sound Notes 9th Science Lesson 6 Notes in English Introduction Sound is a form of energy which produces sensation of…
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Magnetism and Electromagnetism Notes 9th Science Lesson 5 Notes in English
Magnetism and Electromagnetism Notes 9th Science Lesson 5 Notes in English Introduction Have you ever played with magnets? Do you…
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Fluids Notes 9th Science Lesson 3 Notes in English
Fluids Notes 9th Science Lesson 3 Notes in English Introduction A small iron nail sinks in water, whereas a huge…
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அண்டம் மற்றும் விண்வெளி அறிவியல் Notes 8th Science Lesson 17 Notes in Tamil
அண்டம் மற்றும் விண்வெளி அறிவியல் Notes 8th Science Lesson 17 Notes in Tamil அறிமுகம்: நீங்கள் எப்பொழுதாவது இரவில் தெளிவான வானத்தைப் பார்த்திருக்கிறீர்களா? எண்ணிலடங்கா…
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