EASY
7th CBSE
IMPORTANT
Earn 100

What is the reason for making fire-fighting suits bright and shiny?

Important Questions on Heat

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 1
Which of the two-Celsius or Fahrenheit, scale is more convenient to use? 
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 2
Which property of matter is used in the measurement of temperature?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 3
Name one natural phenomenon which occurs due to the convection currents in air.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 4
Which is fastest mode of heat transfer-Conduction, Convection or Radiation?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 5
Name a device which prevents loss/gain of heat by any mode of heat transfer.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 1
Write two similarities between a laboratory thermometer and a clinical thermometer.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 2
What kind of material is used for (a) making cooking utensils, (b) making the handles of the cooking utensils?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 3
Why is heat transfer by convection possible only in liquids and gases?