An eye is the camera of Human body, perceiving the light energy, converting it into electrical energy, thereby helping us to ‘’see‘’. It is one of the five sense organs that a human has. The shape of eyeballs are not spheroid but an oblate spheroid, i.e. Two spheres superimposed on each other. The cornea is […]
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Magnets are objects that produce a force that attracts other ferromagnetic materials, like iron. They also either attract or repel other magnets. These magnets are broadly classified into 3 types like Permanent magnet Induced magnet Electromagnet Ancient people learned about magnetism when they discovered lodestones (or magnetite) which are naturally magnetized pieces of iron ore. […]
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Hydrobromic acid is a diatomic molecule. It is also called as hydrogen bromide and is present in the form of a colorless gas at room temperature. It has an acrid odor. Its other physical characteristics include the gas being very soluble in water. On dissolving the gas in water, it forms hydrobromic acid solution. It […]
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The brain is the principal organs that run our body. It is protected inside the skull and is the central part of the nervous system. It is classified as a part of the Central Nervous System (CNS) along with the spinal cord. The peripheral nervous system (PNS) comprises of the spinal nerves that branch out […]
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Heart is a muscular organ situated in the middle of the chest slightly to the left. It is hollow and conical shaped structure which is enclosed within a pericardium, the peritoneal counterpart for heart. It is placed obliquely, behind the body of sternum and costal cartilages, one third of it being to right, and rest […]
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Metals are a group of elements with robust characteristic under general conditions. There are a total of 118 elements in the periodic table. Of 118 elements in the periodic table, almost 91 of them are metals. So a majority of elements are metals. They include alkali metals, alkaline earth metals, transition metals including lanthanides and […]
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The difference between ion and atom are given in the table below. But before that one needs to be clear of what is an atom and ion. Atom is the basic unit of matter. A group of atoms makes up matter. These atoms have a nucleus, with protons and neutrons in it. This nucleus is […]
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What is a thermostat? A thermostat is an instrument which keeps the temperature of a system at a constant level. It is designed to sense the temperature of a particular system and then perform actions to make the temperature remain at a constant level. The word ‘thermostat’ comes from two ancient Greek words: thermo (which […]
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A cell divides by two processes namely the mitosis and meiosis. Of them mitosis is quite common as most types of cells undergo division by this methods. Where as meiosis is limited to very few cells like the reproductive cells. Stages of mitosis include Prophase Metaphase Anaphase Telophase Cell division is the breakdown of the […]
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Sodium hydroxide is a very commonly used laboratory chemical. Its physical characteristics are it is white in color, odorless, has a crystalline texture and is solid. Sodium hydroxide is a highly caustic and corrosive compound. It melts at 591K and the crystals of sodium hydroxide are deliquescent i.e. the crystals absorb moisture from the air […]
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