Science

Covid-19 is commonly known as coronavirus  it is spread by virus it is a viral disease it is a communicable disease the person suffering from Covid- 19 can can have difficulty in breathing have anxiety attacks or severe body pain the person suffering from Covid- 19 should be in ICU and have special care 🦠🦠 The images of covid-19 virus 🦠 👇👇

Image of infected eye 👆👆

OUR SOLAR SYSTEM 🌞 IN OUR SOLAR SYSTEM THERE ARE 8 PLANTS NAMES MERCURY, VENUS, EARTH 🌎,MARS, JUPITER,SATURN 🪐 URANUS AND NEPTUNE  EARLIER PLUTO WAS ALSO SEEN  AS PLANET BUT NOW IT IS NOT SEEN AS A PLANT BECAUSE IT DOES NOT FULFILLS THE ONE OF THE 3 STATEMENTS THAT A CELESTIAL BODY NEEDS TO BECOME A PLANET  MOST OF US HAVE A MISUNDERSTANDING THAT OUR SOLAR SYSTEM WORKS LIKE THIS👇👇 BUT IN REAL IT WORKS LIKE THIS 👇👇   ALL THE PLANTS REVOLVE AROUND THE SUN ON THEIR ORBIT EACH PLANET HAS IT'S OWN TIME PERIOD TO COMPLETE ONE REVOLUTION OUR EARTH TAKES 365 DAYE TO COMPLETE ONE REVOLUTION  THE LARGEST PLANET IN OUR SOLAR SYSTEM IS JUPITER 👇👇 AND THE SMALLEST PLANET IS MERCURY 👇👇

COAL AND PETROLEUM 1. EXHAUSTIBLE NATURAL RESOURCES:- THE RESOURCES THAT ARE PRESENT IN LIMITED QUANTITY IN NATURE ARE CALLED EXHAUSTIBLE NATURAL RESOURCES FOR EXAMPLE: FOREST 🌲, WILDLIFE 🐘,COAL⛏️, PETROLEUM ⛽ 2. INEXHAUSTIBLE NATURAL RESOURCES:- THE RESOURCES THAT ARE PRESENT IN UNLIMITED QUANTITY IN NATURE ARE CALLED IN EXHAUSTIBLE NATURAL RESOURCES FOR EXAMPLE: SOLAR ENERGY 🌞, WIND 🍃 ETC. *WHAT IS COAL? COAL IS A FOSSIL FUEL THAT COMES FROM THE DEAD REMAINS OF PLANTS 🌲 AND ANIMALS 🐃 THAT GOT BURIED UNDER THE SOIL MILLIONS OF YEAR AGO *WHAT ARE THE CHARACTERISTICS OF COAL? => IT IS BLACK IN COLOUR => IT IS MADE UP OF CARBON => IT IS FOUND DEEP INSIDE THE EARTH SURFACE => IT IS A GOOD CONDUCTOR OF HEAT => IT IS A FOSSIL FUEL => IT IS BLACK HARD SUBSTANCE => IT RELEASES CARBON DIOXIDE WHILE BURNING => IT IS USED AS A SOURCE OF ENERGY => IT IS MAINLY COMPOSED OF CARBON *WHAT IS CRUDE OIL? CRUDE OIL IS A MIX

MICROORGANISMS ARE THE ORGANISMS THAT WE CAN'T SEE WITH OUR EYES.  THE STUDY OF MICROORGANISMS IS CALLED MICROBIOLOGY 🦠🦠. THERE ARE 4 CLASSIFICATIONS OF MICROORGANISMS :- FUNGI🧫 BACTERIA 🦠 PROTOZOA🦠 ALGAE VIRUSES ARE ALSO MICROORGANISMS BUT THEY ARE NOT CONSIDERED IN 4 MAIN CLASSIFICATIONS BECAUSE THEY ARE NON-LIVING OUTSIDE THE HOST BODY AND LIVING INSIDE THE HOST BODY

THERE ARE 3 LAWS OF MOTION INTRODUCED BY SIR ISAAC NEWTON 1ST LAW:- THE FIRST LAW OF MOTION STATES THAT AN OBJECT WILL REMAIN AT REST OR IN UNIFORM VELOCITY ALONG A STRAIGHT LINE UNLESS ANY EXTERNAL FORCE IS APPLIED ON IT. ⚽⚽ 2ND LAW:- THE SECOND LAW OF MOTION STATES THAT F=ma OR NET FORCE IS EQUAL TO THE MASS TIMES ACCELERATION OR  LARGER THE FORCE LARGER THE ACCELERATION 3RD LAW:- TO EVERY ACTION THERE IS AN EQUAL AND OPPOSITE REACTION