The Amazing World of Solutes, Solvents, and Solutions — Science STD 8 — Question

What name is given to the maximum displacement of a vibrating body from its central position?

Name the phenomenon which enables us to see movies in a cinema hall.

Some natural resources are given in a box. Classify them into the exhaustible and inexhaustible natural resources. Air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen.

Name two main types of reproduction prevalent in animals.

Fill in the following blanks with suitable words: The egg laying animals are called ______________ animals.

Boojho while waving his hand very fast in front of his eyes, observes that his fingers appear blurred. What could be the reason for it?

Fill in the following blanks with suitable words: Fusion of gametes gives rise to a single cell called ______________.

Name the effect of current responsible for the glow of the bulb in an electric circuit.

Identify the following micro-organisms :
I live in every kind of environment, and inside your gut.

A car is moving towards North. What will be the direction of force of friction acting on this car due to surface of road?