Chapter 6: Hamare Aas-paas ke Padaarth
Hamare aas-paas sab kuch padaarthon se bana hai. Is chapter mein hum cheezon aur unke padaarthon ko dekhenge, padaarthon ko alag tareekon se group karenge, aasaan activities se unke gun jaanchenge, aur jaanenge matter kya hai.
Is chapter mein tum
- cheezein kis padaarth se bani hain pahchaanna
- padaarthon ko gunon se group karna
- sakhti, chamak, roshni, ghulna aur tairna jaanchna
- matter kya hai samjhaana
Topics
- Aas-paas ki Cheezon ko Dekhna NCERT 6.1
Cheezein lakdi, dhaatu, plastic, kaanch, kapde aur kaagaz jaise padaarthon se bani hain.
- Padaarthon ko Group Karna NCERT 6.2
Padaarth alag gunon se group ho sakte hain; batao kaunsa gun use kiya.
- Padaarthon ke Gun NCERT 6.3
Gunon mein chamak, sakhti, roshni ka jaana (transparent, translucent, opaque), ghulna aur tairna hain.
- Matter Kya Hai? NCERT 6.4
Matter wo hai jiska dravyamaan ho aur jagah ghere; thos, drav ya gas ho sakta hai.
Key words
- Material
- jis se cheez bani hai
- Property
- padaarth ka gun, jaise sakhti ya chamak
- Lustrous
- chamakdaar
- Transparent / translucent / opaque
- saari roshni / thodi, dhundhli / bilkul nahi
- Soluble / insoluble
- paani mein ghulta / nahi ghulta
- Matter
- jiska dravyamaan ho aur jagah ghere
Summary
- Cheezein padaarthon se bani hain; ek cheez alag padaarthon se aur ek padaarth se kai cheezein.
- Padaarth chamak, sakhti, paardarshita, ghulna aur tairna jaise gunon se group hote hain.
- Kaam ke liye padaarth gunon ki wajah se chunte hain.
- Matter ka dravyamaan hai aur wo jagah gherta hai; thos, drav ya gas ho sakta hai.