Class 9 Science Practicals —
All 13 Experiments, Stream-wise
Poora lab manual ek hi page par, latest NCERT Science (Exploration) chapters ke hisaab se — Chemistry, Biology aur Physics ke saare experiments alag-alag. Har practical ka Aim, apparatus, procedure, observation table, result aur precautions. Card par click karo, practical seedha khul jayega.
13 practicals dikh rahe hain
Chemistry Practicals
Exploring Mixtures and their Separation · Atomic Foundations of Matter
AimSeparation of Components of Mixtures by Separating Funnel, Chromatography, Sublimation and Coagulation
CBSE · Class 9 · English · Chemistry Practical
AimVerification of the Law of Conservation of Mass in a Chemical Reaction
CBSE · Class 9 · English · Chemistry Practical
Biology Practicals
Cell · Tissues in Action · Reproduction · Diversity and Classification
AimTemporary Mounts of Onion Peel and Human Cheek Cells
CBSE · Class 9 · English · Biology Practical
AimIdentification of Plant Tissues and Animal Muscle Fibres from Prepared Slides
CBSE · Class 9 · English · Biology Practical
AimStudy of Budding in Yeast and Hydra and Spore Formation in Bread Mould
CBSE · Class 9 · English · Biology Practical
AimStudy of Different Parts of a Typical Bisexual Flower
CBSE · Class 9 · English · Biology Practical
AimIdentification of Specimens — Spirogyra, Mushroom, Moss, Fern, Pine Cone, Amoeba, Hydra, Tapeworm, Ascaris, Earthworm, Butterfly, Snail and Starfish
CBSE · Class 9 · English · Biology Practical
Physics Practicals
Describing Motion · How Forces Affect Motion · Work, Energy & Simple Machine · Sound Waves
AimVerification of the Law of Conservation of Energy Using a Simple Pendulum
CBSE · Class 9 · English · Physics Practical
AimDetermination of the Speed of a Pulse Propagated Through a Stretched String or Slinky
CBSE · Class 9 · English · Physics Practical
AimCalculation of the Mechanical Advantage of a Lever
CBSE · Class 9 · English · Physics Practical
AimVerification of Newton's Second Law of Motion Using a Trolley, Pulley and Hanging Masses
CBSE · Class 9 · English · Physics Practical
AimPlotting Distance–Time and Velocity–Time Graphs Using an Inclined Plane
CBSE · Class 9 · English · Physics Practical
📊 Class 9 Science — Marks Distribution
Practical work internal assessment ka hissa hota hai.
| Component | Marks |
|---|---|
| Theory Paper (annual exam) | 80 |
| Periodic Test | 5 |
| Multiple Assessment | 5 |
| Portfolio | 5 |
| Subject Enrichment — Practical Work | 5 |
| Total | 100 |
⚠️ Class 9 me board exam nahi hota — saara assessment school level par hota hai aur practical work internal assessment me count hota hai. Annual theory paper me practical-based questions bhi aate hain. Marks scheme school aur session ke hisaab se thodi alag ho sakti hai, isliye apne school ya CBSE ka latest curriculum document check kar lein.
❓ Class 9 Science Practical — FAQs
Lab work, file aur exam me practical-based questions se jude sawaal.
Class 9 Science me kitne practicals hote hain?
CBSE Class 9 Science ke lab manual me kul 13 practicals hote hain — 3 Chemistry (solution-suspension-colloid, mixtures ka separation, law of conservation of mass), 5 Biology (onion peel & cheek cell mount, tissues, budding, bisexual flower, specimen identification) aur 5 Physics (pendulum se energy conservation, pulse ki speed, lever ka mechanical advantage, Newton ka second law, motion graphs). Upar ye teeno stream alag-alag diye gaye hain.
Class 9 Science ka practical exam hota hai kya?
Class 9 me board exam nahi hota — saara assessment school level par hota hai. Practical work internal assessment ka hissa hota hai (Subject Enrichment ke 5 marks) aur annual theory paper me bhi practical-based questions aate hain. Isliye saare 13 experiments ki observation, result aur precautions achhe se taiyar karna zaroori hai.
Class 9 Science practical file kaise banayein?
Har experiment ko is order me likhein — Aim → Apparatus & Materials Required → Theory/Principle → Diagram → Procedure → Observation Table → Result → Precautions. Diagram blank page par pencil se banayein aur observation table ruled page par. Jo readings aapne khud li hain wahi likhein — viva usi par hota hai.
True solution, suspension aur colloid me kya farak hai?
True solution — particles sabse chhote, mixture transparent, Tyndall effect nahi, filter paper se nahi rukte. Suspension — particles sabse bade, mixture gandla, kuch der me particles neeche baith jate hain, filter paper rok leta hai. Colloid — beech ki sthiti: gandla dikhta hai, Tyndall effect dikhata hai, particles neeche nahi baithte aur saadharan filter paper se nahi rukte. Ye teenon ka comparison Practical 1 me table ke saath diya hai.
Onion peel aur cheek cell me kya antar dikhta hai?
Onion peel ke cells rectangular ya brick jaise hote hain aur unke bahar saaf cell wall dikhti hai — cells ek deewar jaise arrangement me lagte hain. Cheek cells irregular aur gol-se hote hain, unme cell wall nahi hoti sirf cell membrane hoti hai, aur beech me gehra nucleus dikhta hai. Onion peel ko iodine se aur cheek cells ko methylene blue se stain kiya jata hai.
Law of conservation of mass kaise verify karte hain?
Do solutions ko ek closed system me react karaya jata hai — ek solution conical flask me aur doosra uske andar latki ignition tube me. Reaction se pehle poora setup tauka jata hai, phir flask ko tirchha karke dono mila diye jate hain, aur reaction ke baad dobara taula jata hai. Dono weights barabar aate hain — isi se sabit hota hai ki chemical reaction me mass na banta hai na nasht hota hai.
Lever ka mechanical advantage kaise nikalte hain?
MA = Load ÷ Effort, ya phir MA = Effort arm ki lambai ÷ Load arm ki lambai. Agar effort arm load arm se lamba ho to MA 1 se zyada aata hai — matlab kam bal lagakar zyada bhaar uthaya ja sakta hai. Poora observation table Practical 11 me diya hai.
Kya ye saare Class 9 Science practicals free hain?
Haan. EduGrown par saare 13 practicals CBSE pattern ke according English medium me available hain. Kisi bhi card ke "Open Practical" button par click karke poora aim, procedure, observation table, result aur precautions dekh sakte hain.
🚀 Practical ke saath theory bhi strong kijiye
NCERT Solutions, Quick Revision Notes, Most Important Questions, Simulations, PYQ Bank aur Mock Tests — Class 9 Science ki poori preparation ek hi jagah.
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