Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Attempt the free practice questions from Exercise 2: EXERCISES with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

When a tumbler is filled with hot water, heat energy flows from the tumbler to the surrounding air.

MEDIUM
7th CBSE
IMPORTANT

When a cold metal rod is placed in contact with a flame, heat does not flow from the flame to the metal rod.

MEDIUM
7th CBSE
IMPORTANT

Liquids and solids transfer heat through convection.

MEDIUM
7th CBSE
IMPORTANT

Convection currents give rise to breeze in coastal regions.

MEDIUM
7th CBSE
IMPORTANT

Why does cold water kept in an open container become warm on a hot summer afternoon?

MEDIUM
7th CBSE
IMPORTANT

Why is the bulb of a thermometer made of thin glass?

HARD
7th CBSE
IMPORTANT

How does a thermos flask maintain the temperature of liquids kept in it?

MEDIUM
7th CBSE
IMPORTANT

How do convection currents give rise to breeze in the coastal region?