It indicates that due to the distance of the Earth from the sun, the amount of heat and solar energy received is just enough to make the temperature of the Earth neither too hot nor too cold.

Earth's atmosphere is made up of gases such as Nitrogen, oxygen and other gases. What is the percentage of Oxygen?

It is extremely important in sustaining life on Earth. Without it, we would be exposed to high amounts of radiation from the Sun and our atmosphere would be free to leak into space.

Earth has been called the "Blue Planet" due to the abundance of what factor on its surface?

It supports life indirectly by regulating climate.

The zone of Earth where all forms of life exist: in the sea, on land, and in water. It is sometimes called as the large ecosystem.

It includes the core, mantle, and crust of the Earth.

The water part of the Earth which circulates among oceans, continents, glaciers, and atmosphere. Oceans cover 71% of the Earth and contain 97.5% of its water.

A naturally occurring, usually inorganic solid with distinct chemical composition and an orderly crystalline structure. In order to test whether a sample of matter is a mineral, scientists need to assess the sample according to the aforementioned characteristics.

The result of the reflection of visible light

The ability of a mineral to reflect light from its surface

The ability of a mineral to split along a weak plane forming flat surface.

The capacity of a certain mineral to break along curved surfaces.

The ability of minerals to glow when bombarded with ultraviolet light.