Articles by science user
Human Skeleton
Human Skeleton provide the structure for our bodies. The adult human skeleton is made up of 206 bones. A baby’s body has about 300 bones […]
Blood
Blood- Blood is essential to life. Blood circulates through our body and delivers essential substance like oxygen and nutrients to the body’s cells.
pH value- 7.4
5-6 Litre
Acid, Bases and Salts-
Acid- Acids are sour in taste, turn blue litmus to red, dissolve in water to release H+ ions.
Example- Vinegar, Hydrochloric acid and sulphuric acid.
Matter and its types
Matter- Matter is any substance that has mass and takes up space by having volume. Matter exists in various states Solid, Liquid and Gas.
Solid- Solid matter is composed of tightly packed particles.A Solid will retain its shape; the particles are not free to move around.
Invention and Discovery
Invention and Discovery have a important role in human life. Invention is a unique or novel device, method, composition or process. There are some important invention are showing in the list with inventors and year.
SI Unit of Physical Quantity
The SI system, also called the metric system, is used around the world. There are seven basic units in the System: meter, kilogram second, kelvin, ampere, mole and candela.
There are list of SI units of Quantity-Â