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

Match the following.

Discuss the advantages of in-situ and ex-situ conservation.

Round off the number 5.323 to two decimal places.

Analogy

Pascal’s law: ______:: Surface tensin: ______.

Which object use the reflection of light?

Which surface will not reflect most of the light falling on them?

When light passes from one medium to another the ray gets bent. This property of light is called ______.

How does the light travel?

Light bends as it passes from one medium to another. What is this phenomenon called?

Light travels fastest in a vacuum. Why?

Heat capacity C’= ______.

Metals like copper and aluminum are good conductors of heat and electricity.

Lighting rods are made of ______.

______ is another example of discharge that takes place in clouds.

During thunderstorms, the air is moving ______ rapidly. This air moves rapidly.

Huge quantities of electricity are discharged in lightning flashes and temperatures of over ______°C or more can be reached.

______ extreme heat will vaporize the water inside a tree, creating steam that may burn out the tree.

______ arrestor is a device used to protect buildings from the effects of lightning.

Who discovered static electricity or lightning in clouds?

How can you save yourselves from lightning?