¹°ÀÇ ¹«°Ô¿¡ ÀÇÇØ ¾î´À À§Ä¡ ±¸¸ÛÀÇ ¹°ÁٱⰡ ´õ ¸Ö¸® ³ª°¡´Â°¡¸¦ º¸´Â °ÍÀÔ´Ï´Ù. º¸ÀÌÁö´Â ¾ÊÁö¸¸ °ø±âÀÇ ¾Ð·Â°ú ¹°ÀÇ ¾Ð·ÂÀ» ÃßÃøÇÏ°Ô ÇÒ ¼ö ÀÖ½À´Ï´Ù.
Áغñ¹°: ºó Çöó½ºÆ½ ¿ë±â. ¼Û°÷. ½ºÄ«Ä¡ Å×ÀÙ.
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1. Çöó½ºÆ½ ¿ë±â¿¡ ¼Û°÷À¸·Î ±¸¸ÛÀ» ¶Õ´Â´Ù.(Âü°í·Î Àú´Â 3°³¸¦ ¶Õ¾ú½À´Ï´Ù.)
2. ¿ë±âÀÇ ±¸¸Û¿¡ Á¢Âø Å×ÀÔÀ» ºÙ¿© ³õ´Â´Ù.
3. ¿ë±â¿¡ ¹°À» ´ãÀº ÈÄ ¾î´À ±¸¸ÛÀÇ ¹°ÁٱⰡ ´õ ¸Ö¸® ³ª°¥±î?Çϸé¼
4. Å×ÀÔÀ» ¶¼¾î³» º¸ÀÚ.
5. ¸Ç ¾Æ·¡, Áß°£, ±×¸®°í ¸Ç À§ÀÇ ¼ø¼·Î ¹°ÁٱⰡ ¸Ö¸® ³ª°£´Ù.
¼ö¾Æ,Çö¿õ. look, here is a plastic bottle and an awl.
Let¡¯s bore three holes in a line with an awl.
And tape them not to let water flow through holes
Then, fill the bottle with water. Are you done?
Now. Let¡¯s take off these tapes.
Look! three streams of water are spouting out.
Which stream goes farther?
The first stream on the bottom goes farther. Do you know why??? ^^
I¡¯ll leave it to your imagination. But I give you a hint. Water pressure!
¿ø¸®:
°ø±â³ª ¹°ÀÇ ´©¸£´Â Èû, Áï ¾Ð·ÂÀº ¹°Ã¼¸¦ ¿òÁ÷ÀÌ°Ô ÇÒ ¼ö ÀÖ°í. ¿©·¯ Á¾·ùÀÇ ¿¡³ÊÁö¸¦ ¸¸µé ¼ö µµ ÀÖ½À´Ï´Ù.
¿©±â¼´Â ÆÐÆ®º´ ¾È¿¡ ´ã°Ü ÀÖ´Â ¹° À§ÀÇ °ø±â°¡ ¾Æ·¡·Î ¾Ð·ÂÀ» °¡ÇÏ°í À§ÂÊÀÇ ¹°Àº ¾Æ·¡ÂÊÀ¸·Î ¾Ð·ÂÀ» °¡ÇÏ°Ô µÇ¹Ç·Î ¸Ç ¹Ø¹Ù´Ú¿¡ ÀÖ´Â ¹°ÀÌ °¡Àå Å« ÈûÀ¸·Î ´¸®°Ô µÇ¾î ´õ ¸Ö¸® ¹Ð·Á³ª¿À´Â °ÍÀÔ´Ï´Ù.