A fisherman and his young nephew are in a boat on a small pond. Both are wearing

Question

A fisherman and his young nephew are in a boat on a small pond. Both are wearing life jackets. The nephew is holding a large helium filled balloon by a string. Consider each action below independently and indicate whether the level of the water in the pond, Rises, Falls, is Unchanged or Cannot tell.

1.The fisherman knocks the tackle box overboard and it sinks to the bottom.
2.The nephew gets in the water, looses his grip on the string, letting the balloon escape upwards.
3.The fisherman lowers the anchor and it hangs one foot above the bottom of the pond.
4.The nephew pops the helium balloon.
5.The fisherman fills a glass with water from the pond and drinks it.
6. The fisherman lowers himself in the water and floats on his back.

Rises/Falls/Unchanged/Cannot tell

Explanation / Answer

1)Falls
2)Rises
3)Unchanged
4)Rises
5)Unchanged
6)Unchanged

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