SSLC (English Medium) कक्षा ५ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Change is the ______ of a substance from one form to another. 

Changes which cannot be reversed are called ______.

Most of the physical changes are ______. 

Dissolving sugar in water is a ______ change.

Water on ______ changes to ice and on ______ comes back to water.

Evaporation of water is a reversible change.

The burning of the paper is an irreversible change.

Rusting of iron is a reversible change.

Name the two types of changes.

What are reversible changes?

What are irreversible changes?

Differences between

reversible and irreversible changes are:

What is meant by the preservation of food?

What are balls of ice?

Nitrogen fixation occur in ______.

______ is an air sport.

______ is known as paragliding capital of India.

Movement of air is called ______. 

Why do plants need nitrogen?

Complete the given analogy.

Solid : Table :: ________ : Water