SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

What is a wave?

Distinguish between compression and rarefactions.

How do we hear the sound?

The Geocentric model of the universe was proposed by ______.

The total area of the observable universe is about ______ light-years.

In Aerosol the dispersed phase is liquid and the dispersion medium is gas.

Solids possess very high kinetic energy.

Liquids cannot be compressed and they have fixed volume.

Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.

Complete the following table:

Liquids have ______.

Intermolecular space is maximum in ______.

Which statement is not correct for a mixture 

Solid is an arrangement of particles ______.

The movement of particles in liquids is ______.

Gases change to liquid by the process of ______.

The physical state of water at 373 K is ______.

Atoms are tiny particles that repel each other when they are squeezed very close.

A teabag placed in a cup of hot water will diffuse into the water.

Higher the temperature, the higher the kinetic energy of particles.