Just for some fun. Q1 Where is gravity of the Earth the strongest? A - On the surface of the Earth B - In the centre of the Earth C – Somewhere about halfway down to the centre of the Earth Q2 If you dig yourself about one thousand of miles into the Earth, what happens to gravity? A. - Increases definitely. B. - Stays more or less constant. C. - Decreases definitely. There is more to it than the eye meets.