Robust Red: Having the longest wavelength, Red is a powerful color that increases our passions at once. It affects us physically. It is strong, bold, aggressive, catchy, associated with danger, love, alertness and energy. Strength, determination and excitement are related with it. It increases heart rate, blood pressure and respiration Read more…
The word “fossil” comes from a Latin word meaning “anything dug out of the ground”. Fossils are remains of prehistoric plants or animals that have been buried in the ground for many years and finally hardened into rock. Fossils are utilized for different purposes. Some show the different extinct species Read more…
Microorganisms – Friends and Foe Microorganisms are too small and are not visible to the unaided eye. Microorganisms are found in air, water and in the bodies of plants and animals. Diseases like dysentery and malaria are caused by protozoans whereas typhoid and tuberculosis (TB) are bacterial diseases. Microorganisms may Read more…
METALS AND NON-METALS CLASS:- 10TH MARKS:- 06 Metals are those elements which possess lusture when freshly cut and are malleable, ductile and good conductors of heat and electricity. These elements lose electron(s) and form cat ions so these are also called electropositive elements, e.g., sodium(Na), magnesium(Mg), potassium(K), copper(Cu), gold(Au) etc. Read more…
