Bear News Beartown News

MAY 1, 2010

MYSTERY

TWO PART CHALLENGE

I had a lot of fun putting together the following list of words. Can you figure out the rule I used to develop the list? Once you do, have fun creating your own list!

mount, right, left, roll, mote, lick,
lass, over, rate, aunt, rill, arch,
oral, ever, pine, rice, tip, each,
team, rash, sage, ouch, edge, ray,
earn, any

LOOK FOR THE ANSWER NEXT MONTH


FROM LAST MONTH

AN EGG

A science teacher told his after school class, "Whoever can get this egg into this smaller glass bottle will win no homework for a week! The rules are: the egg has to go into the bottle in one piece, and you can't break the bottle. You can also use anything in the science lab. So, do we have any volunteers?"
A boy raised his hand and the teacher pointed at him. The boy took the egg and looked around the science lab for the things he could use.
He saw some writing paper, a pack of matches, some vinegar, a sink, and the glass bottle. By the end of the after school class, the boy had gotten the egg into the smaller bottle.

How did he do it?
Note that, without doing anything to the egg, the egg can't fit into the bottle.

Answer
First, soak the egg in the vinegar which softens the shell without compromising the egg. Next, take some of the writing paper and shred it into pieces. Take the shredded pieces and put them into the glass bottle. Take a match and light a fire inside the bottle with the shredded paper. After, take the vinegar-soaked egg and put it on the top of the bottle so no oxygen can get into the bottle. The fire can't live without any oxygen so it will try to suck oxygen from the entrance which the egg is blocking. When the fire does this, the fire becomes like a vacuum. So, basically, the fire sucks the egg into the bottle to try to get the oxygen. After a short while, the shell will reharden and that's how the egg got into the bottle.


FROM LAST MONTH

BALANCING BROOM
If you balanced a broom horizontally on your finger, so that your finger was exactly on the broom's center of gravity, marked that spot and cut the broom in two, then you would have a long and a short piece. The long piece being most of the handle and the short piece being the bristle end and a small part of the handle. Now what will happen if you weigh both pieces? (pick all that apply)
A) The short piece will weigh more.
B) The long piece will weigh more.
C) Both will weigh the same.
D) Your mom will find out and hit you with both pieces!

Answer

A) The short piece will weigh more!
This is due to the torque needed to hold the long piece up. It is the same reason a heavy kid has to sit closer in on a see-saw when he is on it with a lighter friend.

Oh yeah, D) may also be correct depending on your mother's temperament.

 


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