West Bengal Board Solutions for Chapter: Physical Environment, Exercise 12: Exercise 12
West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Physical Environment, Exercise 12: Exercise 12
Attempt the practice questions on Chapter 1: Physical Environment, Exercise 12: Exercise 12 with hints and solutions to strengthen your understanding. Environment and Science Class 8 solutions are prepared by Experienced Embibe Experts.
Questions from West Bengal Board Solutions for Chapter: Physical Environment, Exercise 12: Exercise 12 with Hints & Solutions
As in the figure, the piece of solid wax sinks in the molten wax. In contact with hot molten wax, the solid wax melts very fast. The density of solid wax is higher than the density of liquid wax.
Answer the following questions:
Whether the volume increases or decreases when liquid wax became solid wax?
In the figure, the piece of ice floats on water. The density of the solid ice is less than the density of water.
Answer the following question:
Whether the volume of water increases or decreases when it freezes to ice?
