SSLC (English Medium) इयत्ता ८ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

What is cell address?

Among the following, which is not a metric system?

The ‘CGS’, ‘MKS’, and SI units are metric systems of units and ‘FPS’ is not a ______ system.

FPS is a ______ system of units.

The unit of length in the FPS system is the foot.

The unit of mass in the CGS system is the kilogram.

Name the British system of units.

The atmospheric pressure on the surface of the earth is about ______.

At the given depth, a liquid exerts ______ 1 pressure in all directions.

The pressure exerted by the air around us is called ______ pressure.

When a magnesium ribbon is burnt in the air, the ash formed is ______.

Reason out

Ozone is produced naturally in the stratosphere.

An element ‘A’ on exposure to moist air turns reddish-brown and a new compound ‘B’ is formed. The substance ‘A’ and ‘B’ are:

Which of the following scientists observed that cathode rays consist of negatively charged particles?

Crookes Rays are also called ______.

Cathode rays are made up of material particles that have mass and ______.

Match the following

What is electrical discharge?

Name the subatomic particles of an atom.

Explain the properties of Cathode rays.