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Áغñ¹°: ½ºÆ¼·ÎÆû(ȤÀº Çöó½ºÆ½ ÆÇ), Á¾ÀÌÄÅ(¼ÒÁÖÄÅ), »¡´ë.
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1. ÆÇÀ» ¹è¸ð¾çÀ¸·Î ¾ÕÀ» ¾à°£ »ÏÁ·ÇÏ°Ô ÀÚ¸£°í ´Ùµë´Â´Ù.
2. Á¾ÀÌÄÅÀÇ ¾Æ·¡ºÎº×¿¡ ±¸¸ÛÀ» ¶Õ´Â´Ù.
3. ±× ±¸¸ÛÀ¸·Î Àû´çÈ÷ ÀÚ¸¥ »¡´ë¸¦ ³¢¿î´Ù.
4.. ±× Á¾ÀÌÄÅÀ» ÆÇÀ§¿¡ °íÁ¤½ÃÅ°°í ¹°À» º×´Â´Ù.
5.. ¹è°¡ ¾ÕÀ¸·Î ÀüÁøÇÏ´Â °ÍÀ» ÁöÄѺ»´Ù.
¼ö¾Æ,Çö¿õ, look. Here are two boats. But both of them have no rows, no engines, no sails. But I want make them move. How can we make them move?
Good idea. Making a wave is a kid of way to move them. What else?
Look. There are special stuffs in these boats.
These are made out of straws. That¡¯s the clue!!
Let¡¯s fill each paper cup with water. And put each boat on the water. What happended?
Wow!! They are moving!! How is it possible?
Yes !! water coming out from the straw makes it move.
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