How much does he world weigh?

Answer 1

No one knows for sure because we have not been able to go deep enough inside the earth to know what all is in there.

Here's a fun idea you can try at home. All you need is a measuring scale, the type you weigh yourself with by standing on. Now, if youw ant to weigh the world, you need to push the whole world on it. Do this by simply turning it upside-down. Now read the number and it will tell you how much the world weighs. Remember to flip it over again when you're finished!