high school science words

Around (600 - 500 B.C) the 'Samkhya' philosophy was popular. It asserted that matter was made up of five 'bhutas' or elements consisting of akasa (sky or space), vayu (air), tejas (fire), ap (water) and kshiti (the Earth). These bhutas, besides sharing common properties like colour, smell, taste a..

Evolution Should not be Equated with Progress - All of the changes, diversifications, and extinctions that happened over the course of life's history are the patterns of overall evolution. Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the..

Selenium (Se) - 'Seles' Greek name for the moonPlutonium (Pu) - Neptunium (Np) Uranium (U)Mercury was named after a planet but derives its symbol Hg from the Latin word 'Hydragyrum' meaning liquid sil..

Buffaloes are reared in large numbers in India. There are more than ten different breeds of buffaloes in India. Of them, the high milk yielding breeds a..

Man is a highly evolved vertebrate and so the excretory organs are well develope..

It is a highly coiled and narrow region measuring about 3.6m in lengt..

Atom was derived from the Greek word 'atoms', meaning 'indivisible'. Thus, it was considered to be indivisible.Atoms of the same element are identical in shape, size, mass and other properties.Atoms cannot be created, divided or destroyed during any chemical or physical chang..

Question: What is homeostasis? Answer: Homeostasis comes from two words - 'homeo' meaning same and 'stasis' meaning steady state within the bod..

Sl. No Nobel Gas Symbol 1. Helium He 2. Neon Ne 3. Argon Ar 4. Krypton Kr 5. Xenon Xe 6. Radon Rn The names of the elements had originated from different sources in different ways. Some of them are discussed here. For example, Hydrogen was named by Lav..

Although there are more than hundred elements around us we do not find these elements in their native form in nature. This is because most of these elements are highly reactiv..