MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why radiators in trucks and cars painted black?

Important Questions on Heat and Temperature

MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
How is air used as an insulator in our homes?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
Besides air what are the other materials which can be used as insulators (for heat).
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
What is the mode of heat transfer from sun to the earth?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
Name of the device (gadget) and its working, used for keeping hot tea hot and cold coffee cold for a long time.
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
Describe in brief with the help of suitable diagrams the occurrence of sea breeze and land breeze.
MEDIUM
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q VIII
Why is constriction provided between the bulb and the stem of a clinical thermometer?
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q IX
You receive heat from a bonfire by :
EASY
7th CBSE
IMPORTANT
S. Chand's SCIENCE For Class VII>Chapter 4 - Heat and Temperature>EXERCISES>Q IX
Cooking vessels are made from