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What is heat?

Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system... View Article

What does stomach do?

The stomach is the main food storage tank of the body. The stomach has 3 main functions: temporary storage for food, which passes from the... View Article

What is electricity?

Electricity is briefly defined as the flow of electric charge. It is a secondary energy source which means that we get it from the conversion of... View Article

What are shadows?

Shadows are formed when an opaque object is placed in the path of light rays. An object through which no light can pass is known as opaque. One... View Article

Why Pi is irrational ?

Pi is an irrational number, which means that it is a real number that cannot be expressed by a simple fraction.An Irrational Number is a real... View Article

What is symmetry?

The word symmetry is the most commonly used concept in the study of reflections of mages. It is often referred to as mirror or reflective... View Article

What are 2D and 3D?

2D stands for Two Dimensional. A 2D shape has two dimensions- Length and Breadth. 2D figures are also referred to as plane figures or plane... View Article

What is a double graph?

A double-bar graph is a bar graph that displays two sets of data. A bar graph is a graphical display of data using single bars of various... View Article

What are fractions?

Fractions represent equal parts of a whole or a collection. Fraction of a whole: When we divide a whole into equal parts, each part is a fraction... View Article