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General Science & Ability

Notes and Material for G.K-I Compulsory Subject of CSS.

Major Elements in the Human Body

Major Elements in the Human Body: All matter, living or not, be it any form solid, liquid, or gas is made up of one or more, of only 106 elements found on Earth. Ninety-two of these elements occur naturally. The other 14 are man-made, and…

Types of Rocks and their Properties

Introduction: The rocks of the earth’s crust vary according to mineral composition. Rocks are made out of particles that are made of different combination of normal elements as oxygen, silicon, aluminum, iron, and calcium, together with…

Layers of the Earth’s Atmosphere

Atmosphere: Earth's atmosphere is a blanket of gases made out of 78% Nitrogen, 21% Oxygen, and 1% Argon. The other trace gases present in atmosphere are Carbon Dioxide, Hydrogen, Neon, Helium, Krypton, and Xenon. Water vapor dislodges…

Earthquake and Types of Seismic Waves

Earthquake: One of the most horrible natural disasters is earthquake which has not only ability of eradicating even entire cities but also they can be a cause of tsunamis and devastation on huge scale. So far human science has only been…

What Does Sun Look like From Other Planets

Overview: Life on earth is possible due to presence of sun. It is a perfect sphere of hot plasma. It is but natural that one expects Sun to be fundamentally the same, if viewed from the surface of other planets, after all, all planets are…