Everyday Science Information about Star and Planet Star i) Stars are self-luminous heavenly bodies. ii) They do not revolve around the sun. iii) They are usually stationary. iv) Examples: fixed stars, binary stars. Planet: i) Planets are rocky non-luminous bodies. ii) They revolve round the sun. …
Everyday Science information about Nuclear Fission and Fusion Nuclear Fission Fission is the splitting of a large atom into two or more smaller ones. Fission reaction does not normally occur in nature. Fission produces many highly radioactive particles. Critical mass of the substance and high-speed neutrons …
Everyday Science information about Radiotherapy and Chemotherapy A Radiation targets only the cancer cells. However, chemotherapy is administered through the blood and therefore, affects both cancerous and non-cancerous cells Though they can be used for any sort of cancer, radiation mainly targets solid tumors like …
Everyday Science information about Periscope and Microscope Periscope: A periscope is an instrument for observation from a concealed position. In its simplest form it consists of a tube with mirrors at each end set parallel to each other at a 45-degree angle. This form of periscope, …