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

Question

A fisherman and his young son are in a boat on a small pond. Both are wearing life jackets. The son 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.

Answers to the following questions can be Rises, falls, unchanged, or cant tell

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

Explanation / Answer

The level of water in the pond -

1. Unchanged

2. Rises

3. Unchanged

4. Rises.

5. Unchanged

6. Falls.

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