It would more correct to say that the Earth has seasons because it tilts, rather than saying the Earth tilts to make seasons.
No. My planet (and presumably yours as well) is Earth.
Neptune is bigger than Earth which means, Neptune has got more gravitational pull than Earth.
Earth
There is no planet in the solar system which has more water than earth. Europa (a moon of the planet Jupiter) is thought to have a liquid ocean under a mantel of ice, but this moon is no larger than our own moon.
Earth
Yes, Saturn does weigh more than Earth. Earth's mass is 5.97224 kg while Saturn's mass is 568.324 kg. Saturn consists of 95.16 Earth masses.
A super Earth planet is an extasolar planet. This means the mass is more than the Earths but less than the smaller planets. Another term for it is gas dwarf.
jupiter
All planets with more mass than earth have more gravity than it. So all of the gas giants have far more gravity than Earth.
Uranus
Uranus