A quick look at the Grade 1 lessons :
Weather and The Sky:GK questions on space
Weather and The Sky: Earth and Sky fundamentals
Solar system
Sun :
- It is a star.
- It gives us heat and light
- It is the main source of energy on the earth
- Eight planets and many heavenly bodies revolve around the sun.
Planets :
- Orbits the sun
- Has sufficient mass to be round, or nearly round
- Is not a satellite (moon) of another object