Exercise
Maharashtra Board Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Changes – Physical and Chemical from General Science Standard Seven. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
Under which different types can the following change be classified:
Conversion of milk into yoghurt.
Under which different types can the following change be classified:
Bursting of a cracker.
Under which different types can the following change be classified:
The occurrence of an earthquake.
Under which different types can the following change be classified:
Revolution of the earth around the sun.
Under which different types can the following change be classified:
Stretching of a spring.
What will you take into account while identifying a physical change in a substance?
What will you take into account while identifying a chemical change in a substance?
Read the paragraph and note down the various types of changes it mentions.
It was nearing six o'clock in the evening. The sun was setting. A breeze was blowing. Leaves on the tree were shaking. Sahil was sitting in the courtyard, rolling balls of wet soil and shaping them into various toys.Then he felt hungry and went into the house. Mother made a dough from wheat flour and fried purees. While eating hot purees, his attention was drawn outside the window. It had started raining. There was lightning, too. Sahil was enjoying his dinner in the dim light.
