Water doesn't actually "stick" to Earth in the way you might think. It's more about gravity and Earth's atmosphere. Here's a breakdown:

* Gravity: Earth's gravity pulls everything towards it, including water. This is why water doesn't just float off into space.

* Atmosphere: The Earth's atmosphere acts like a blanket, holding onto most of the water vapor. This vapor condenses and forms clouds, which eventually release the water back to the Earth's surface as rain, snow, or other precipitation.

So, while water isn't literally sticking to Earth like glue, it's held here by a combination of gravity and our atmosphere.

Here are some extra details:

* Water cycle: Water constantly moves between the Earth's surface, atmosphere, and oceans. Evaporation, condensation, precipitation, and collection are all part of this cycle, keeping water on Earth.

* Earth's magnetic field: While not directly related to water sticking, Earth's magnetic field helps protect us from harmful solar radiation. This is important for maintaining our atmosphere and ultimately, our water.

Let me know if you have any other questions!