Category - Science

The science category is designed to provide students with a comprehensive understanding of the natural world and the scientific principles that govern it. This category includes articles, tutorials, and resources on a range of topics, including physics, chemistry, biology, and more.

The Periodic Table

A distinct feature of Chemistry, the periodic table is used across many sciences. It consists of all known chemical elements, both natural and artificial. The first periodic table was formulated in 1869 by the Russian...

Proteins: What Are They?

We often hear the term “proteins”, and usually use them when talking about food. However, do you know what proteins are? What they are made up of, or what do they do? It is pretty tricky to explain exactly what they...

Carbohydrates: What Are They?

When we talk about carbohydrates, we usually think of food rich in starch – rice, bread, and noodles. Or perhaps, you may have thought about food with a lot of sugar, such as sweets and dessert. Well, you are not wrong...

What is Acid Rain?

Acid rain is a form of precipitation that contains acidic components. Acid rain, likewise known as acid deposition, is precipitation with a pH of 5.2 or below that is often caused by human activities such as the...

The Human Brain

The human brain serves as the command and control center for the human nervous system. It is in charge of receiving signals from the body’s sensory organs and transmitting information to the muscles. It weighs...

Pollution ─ Types and Causes

Pollution is the discharge (release) of harmful substances or materials known as pollutants into the environment. In other words, pollution is the process of making air, land, water, or other aspects of the environment...

The Solar Wind

The solar wind is the effusion (continuous flow) of charged particles known as plasma, released from the sun’s corona at a speed of about 900 km/s (one million miles per hour). It’s the wind that pushes...

The Solar System and Our Planet

The solar system can be described as an orderly arrangement of different stars and planets. The solar system is made up of the sun and all other objects that revolve around it. This includes the eight planets, moons...