SSLC (English Medium) Class 6 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

The changes in which new substance with new chemical properties are formed are ______.

The difference between initial state and the final state is called change.

Chemical change is a temporary change.

______ is the process in which something becomes different from what it was earlier.

Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.

Silver articles turning black: ______:: Boiling of H₂O: physical change ______.

What is the change?

Cool and soothing wind: Breeze.
uproot trees wind: ______.

A group of organs that work together to perform a particular function is known as ______.

List the major organ system of our body.

Which is not attracted by a magnet?

______ plays a vital role in the evolution and survival of life.

Mountains helps to regulate the temperature of our earth.

Nitrogen is used for the treatment of drinking water.

______ change results in the change of the substance.

The percentage composition of Nitrogen in Ureas is ______.

Burning of paper is the best example of ______ change.

Water boiling into water vapour is an example of chemical change.

Chemists identify gypsum as a natural indicator.

The water we drink is a combination of hydrogen and oxygen.