# Syllabus

## Articles

#### The Big Bang Theory - How the universe came into existence

In this article, I am discussing the Big Bang theory that explains the formation of the universe. The universe was formed due to two main components namely expansion and cooling. In this process, many particles were formed which further led to the formation of planets including our planet Earth.

#### Gravitational force and its law

In this article, I am discussing the gravitational force discovered by Issac Newton. It is a force that draws two objects together. A human being is enjoying many benefits due to the law of gravity on Earth.

#### What is global warming - reasons and preventive measures

In this article, I am discussing about global warming that can damage earth's crust. It is caused due to different reasons. We should use different strategies to prevent global warming so we do not experience dire results tomorrow.

#### Free English tutorial - what are verbs and different types of verbs

This article explains verbs and their forms. A verb does not always refer to an action, but it also means a condition of an object. You can read how verbs are used in various forms in a sentence.

#### Free Tutorial: Law of Divisibility in Mathematics

In this article, I am explaining one of the important concepts of mathematics i.e. law of divisibility. Different numbers are divisible by different numerals. You should find out if a particular numeral can be divided by a divisor. So, you should use some formulas to calculate and test the divisibility of a particular numeral by any divisor.

#### Tutorial on the science behind sound

Sound is a form of energy. It requires a medium to travel from one point to other. We hear, all the sounds that reach us, by our ears. This article provides details for understanding what sound is, how it is produced, how it travels, and what is the importance of it in our lives.

#### Class 8 Lesson - Fertilizers and their importance

As the population increases the requirement for food products is also increasing. To meet this requirement usage of fertilizers has become very important. In this article, a detailed description of fertilizers and their importance is given.

#### Free Science Tutorial on the Chemistry of Zinc

Zinc is a metallic element and belongs to group II B of the periodic table. It belongs to the d block and 4th period of the period table. Zinc is a very important metal with various applications in many industries. The chemistry of this element is discussed in this article.

#### Compost making and its benefits

Daily we will be generating a lot of food waste that will be going to landfill. This will create a load on the land and also will produce greenhouse gases that are not eco-friendly. The best alternative is to convert them into compost. Compost making and its benefits are discussed in this article

#### Free science tutorial on chemistry of acids and bases

Many of the substances we use are either acids or bases. These two are mutually interacting materials. Acids and bases are having many industrial applications. This article explains the chemistry of acids and bases.

#### A free tutorial on Matter and its chemistry

Everything around us is matter. The matter will have some mass and volume and will occupy some space. The matter will exist in different states and can be converted from one state to another state. To know the properties of a matter we should know the constituents of the matter. This article discusses various aspects of matter and its importance.

#### What is the Doppler Effect and its applications

In this article, I will be discussing an important physical phenomenon of sound waves called the Doppler effect, and where it is used, its various cases, etc.

#### Free tutorial in Basic Physics - Understanding Density

Do you want to learn about the concept of density and its importance in science and in our lives? This article gives a detailed understanding of this entity called density, one of the important physical characteristics of a material.

#### Free Science Tutorial on the Chemistry of Silver

Silver is one of the precious metals known for its use in jewellery and photography. Silver has been known to be in use for thousands of years. This is the known best-conducting metal. The chemistry of this metal is discussed in this article.

#### What is the study of Electrical Power System Engineering?

Whether you are currently furthering your education or considering pursuing a postgraduate degree in the Engineering field, your job prospects after you complete your studies may be a major concern for you. If you're looking for a postgraduate degree with great job opportunities, this article will point you in the correct direction.

#### The chemistry of the metal calcium

Calcium is one of the important elements that are essential for human beings, plants and animals. Calcium is an alkaline earth metal and 5th abundant element in the earth crust. The chemical properties, physical properties and uses are discussed in this article.

#### Free Science Tutorial on the Chemistry of Magnesium

Magnesium is an alkaline earth metal and is having a variety of applications in various fields. It belongs to group 2A of the periodic table. It is a very reactive metal and is not available in its metallic form, The chemistry of this metal is discussed in this article.

#### Element Helium and its Chemistry

Helium is the first inert gas element and the second lightest gas known so far. Helium is the second most abundant gas after hydrogen. The properties, uses, and applications of this gas are discussed in this article

#### The Chemistry of halogens

Halogens are very reactive elements. They belong to VII A group of the periodic table. Among the halogens, Fluorine, Chlorine, Bromine and Idoine are very well known and find many applications. The chemistry of these elements is discussed in this article.

#### Learn Science - Oxygen and its chemistry

Oxygen is very abundant in the atmosphere and 89% of the seawater is oxygen only. Oxygen is essential for all animals and human beings. Plants use carbon from the carbon dioxide and leave oxygen out. That is how we are getting oxygen for our living free of cost. The chemistry of oxygen is discussed in this article.

#### Free Science Tutorial on the Chemistry of Nitrogen

Nitrogen is a nonmetallic element. It is the major constituent of air. It belongs to group 15 of the periodic table. It is a stable element and is used in many places for creating an inert atmosphere. The chemistry of this element is discussed in this article.

#### Free Science Tutorial on the Chemistry of metals and nonmetals

The elements so far known are divided basically into three types. They are metals, nonmetals, and metalloids. All these three are very important for humans. The chemistry of these metals and nonmetals is discussed in this article

#### Different types of iron and its material properties

This article gives an overview of different types of Iron which includes wrought iron, white cast iron, grey cast iron, malleable cast iron, and nodular cast iron. Each iron is classified based on its physical and chemical properties with respect to carbon percentage and its application.

#### Free Tutorial in Basic Physics - the entity of Light

Light is the source of all life forms on Earth and we are able to see things with the help of it. The primary source of light on Earth is Sun. This article gives basic scientific information and concepts about this entity known as light.