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

What is adolescence?

How is adolescence differ from childhood?

What are the physical changes that occur in boys and girls during adolescence?

Explain the nutritional needs of adolescence in brief.

Write a note on accuracy and precision.

Write about buoyant force.

Reflection by a looking mirror is called ______.

Imagine that parallel rays are incident on an irregular surface. Are the rays reflected from the surface parallel to each other?

1 calorie equals ______.

Temperature is a measure of the average kinetic energy of molecules.

While a substance is undergoing a change of state, the temperature of the body remains the same.

Heat energy flows from a body at a low temperature to a body at a higher temperature.

Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.

The material which allows electric current to pass through it is called ______.

Flow of per unit time is called current ______.

Before the discovery of electrons, it was considered that electric current is due to the flow of ______ charges.

What are electrodes?

In the same way in chemistry, each element is denoted by a ______.

Antimony has the highest tensile strength.

What is the significance of the symbol of an element?