Last updated on June 26th, 2023 at 08:21 am
Answer the following questions in three or four sentences
- What happens if the earth would not have rotated on its axis?
- The earth would not face the sun alternately if it did not rotate on its axis. Therefore, night and day wouldn’t be possible. On the places facing the sun, it would always be Day. On the places facing the opposite direction, it would always be Night.
- What do you mean by latitude and longitude?
- Latitudes are the horizontal imaginary lines drawn on the globe while Longitudes are vertical imaginary lines drawn on the globe.
- Sometimes there are 29 days in the month of February explain the statement or which year is called leap year?
- There are 365 days and 6 hours in a year, and 6 hours constitute one fourth of a day. In February, the remaining six hours of every four years are adjusted by adding one day more, making this 29 day instead of 28 days.
- Which planets are known as inner planets?
- Mercury Venus Earth and Mars are inner planets.
Extra question answers
- Why do all the planets of the solar system rotate around the sun in a circular form?
- Because of the Sun’s gravitational force and the planet’s gravitational force, all the planets revolve around the sun in a circular motion.
- What is the size of the sun as compared to earth?
- The sun is about 13 million times larger than earth
- How long would it take you to make a revolution around the sun if you were in a plane?
- Taking a plane at 1,000 km/h will take 107 years to complete one revolution around the sun.
- How much is the gravitational force of sun as compared to earth?
- Gravitational force of sun is 28 times more than that of the earth.
- What is the distance between the Earth and the Sun?
- The earth is about 15 km away from the Sun.
- How long does it take the sunlight to reach Earth?
- The Sunlight reaches the surface of the Earth in about 8:15 minutes.
- Give reason why sun is also known as guardian of organisms?
- Because the sun produces light and heat from the action of hydrogen and Helium in air which we call it energy and because of this energy Organisms have developed on earth.
- How many planets are there in the solar system? And name inner and outer planets.
- There are a total 8 planets in our solar system out of which Mercury, Venus, Earth and Mars are inner planets while Jupiter Saturn Uranus Neptune are outer planets.
- Which planet is like earth twin?
- Venus
- Who discovered Uranus planet?
- An astronomer named William Herschel discovered the Uranus planet in 1781 .
Fill in the blanks:
- The sun’s core is made up of …………gas. hydrogen
- Sun produces light and heat from the action of …. and ………. in air . [hydrogen & helium]
- Sun is also known as the ………. of organisms. [ guardian]
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