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

Write a note on –

Electrical discharge.

Bats produce ______ sound during screaming.

What type of magnet is used in the Mangle train?

What is meant by a mag-stripe?

Write a note on the Mangle train.

Write a note on:

Magstripe:

The liquid metal at room temperature ______.

The metal can be cut with a knife ______.

Metals and non–metals are used for making ______, ______ and ______.

The typical shine of metals is called ______.

Metals are ______ conductors of heat and electricity.

All gases are ______.

Sodium is a hard metal. 

Silver and copper are very good conductors of electricity.

Metals have high melting points.

Match the following

Match the following

Which metal has the highest ductility?

Why do metals appear shiny?

Which metals are not solid at room temperature?