Garam ya Thanda?
Class 6 Science · Chapter 7: Taapmaan aur uska Maap · NCERT Curiosity section 7.1
Seekho
Nisha teen katore bharti hai: ek mein thanda paani, ek mein gungunaa, aur ek mein garam (bahut garam nahi). Wo baayaan haath thande aur daayaan garam katore mein ek minute rakhti hai, phir dono haath gungune katore mein daalti hai.
Hairaani! Baayaan haath gungune paani ko garam mehsoos karta hai, aur daayaan haath usi paani ko thanda. Hamari sparsh indriya batati hai ki cheez haath se zyada garam ya thandi hai, theek kitni garam hai ye nahi.
Isliye chhoona dhokha de sakta hai, aur bahut garam cheez chhoone se jal bhi sakte hain. Theek kitna garam ya thanda hai ye jaanne ke liye bharosemand naapne ka aujaar chahiye.
Explore: haath se garam ya thanda?
- Har ek sort karo (garam waali mat chhoona!).
Yaad rakho
- Sparsh haath se garam ya thanda batata hai, aur dhokha kha sakta hai.
- Theek kitna garam hai jaanne ke liye naapte hain.
Quick check
Sirf chhookar garmi kyun nahi jaan sakte?
- Sparsh haath se tulna karta hai aur dhokha kha sakta hai
- Haath kabhi garmi nahi mehsoos karte
- Chhoona hamesha sahi hai
- Garam cheezein naapi nahi ja saktin
Answer
Sparsh haath se tulna karta hai aur dhokha kha sakta hai. Ek hi gunguna paani ek haath ko garam aur doosre ko thanda laga.
Socho
Thandi subah steel ki railing paas ki lakdi ki bench se bahut thandi lagti hai, jabki dono ek hi hawa mein hain. Andaaza lagao kyun?
Ek answer
Dono asal mein lagbhag ek hi taapmaan par hain. Steel haath se garmi lakdi se bahut tez kheenchta hai, isliye zyada thanda lagta hai. Sparsh haath se jaati garmi ko aankta hai, asli taapmaan ko nahi.
Practice
Teen levels (easy, medium, hard) ke naye sawaalon se practice karo, kuch hands-on, hints aur hal ke saath. Topic poora karne ke liye pichhle 5 mein se 4 sahi karo.