SSLC (English Medium) Class 8 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

If an object is placed between two mirrors which are parallel to each other, the number of images formed is ______.

The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.

What are the effects of heat?

Sound is produced by ______.

The vibrations of a simple pendulum are also known as _______.

What is vibration?

Describe an experiment to show that sound cannot travel through vaccum.

A magnet attracts ______.

One of the following is an example for a permanent magnet.

The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.

MRI stands for _______.

Magnets are used in _______ for generating electricity.

Match the following.

Consider the statement given below and choose the correct option.

Assertion: Iron filings are concentrated more at the magnetic poles.

Reason: The magnets are so sharp.

How can you identify non-magnetic materials? Give an example of a nonmagnetic material.

List out the uses of magnets.

Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?

Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?

Which one of the following element name is not derived from planet?

Define catalysis.