A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc. Rainbows caused by sunlight always appear in the section.

Earth Day is an annual event celebrated on April 22. Worldwide, various events are held to demonstrate support for environmental protection. First celebrated in 1970, Earth Day events in more than 193 countries are now coordinated globally by the Earth Day .

A candle is an ignitable wick embedded in wax or another flammable solid substance such as tallow that provides light, and in some cases, a fragrance. It can also be used to provide heat, or used as a method of keeping time. A candle manufacturer is traditionally known as a chandler.

Early childhood education often focuses on learning through play, based on the research and philosophy of Jean Piaget, which posits that play meets the physical, intellectual, language, emotional...

Mathematical puzzles make up an integral part of recreational mathematics. They have specific rules as do multiplayer video games.

Saint Patrick’s Day, or the Feast of Saint Patrick is a cultural and religious celebration held on 17 March, the traditional death date of Saint Patrick the foremost patron saint of Ireland.

A toy is an item that is used in play, especially one designed for such use. Playing with toys is supposed to be an enjoyable means of training young children.

While the first two years of a child’s life are spent in the creation of a child’s first “sense of self”, most children are able to differentiate between themselves and others by their...