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mh. science Ȱ¿ë(mass)(°íÃÆ¾î¿ä)

  • ÇѰḾ
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  • 2003-03-11
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¾ÆÀÌ¿Í °£´ÜÇÑ ½ÇÇèÀ» ¹°Ã¼¿¡ Áú·®ÀÌ ¼­·Î ´Ù¸£´Ù´Â °É ¾Ë°Ô ÇØ ÁÖ´Â ³îÀÌÀÔ´Ï´Ù. Á» ´Ù¸£°Ô ¹Ù²å½À´Ï´Ù.(Ã¥Çϰí) How can you measure mass? needs(Ã¥¿¡´Â materials·Î µÇ¾î ÀÖ±¸¿ä. ) Things that your kids like : a doll, a pebble, a pencil, a magnet (¾ÆÀ̵éÀÌ ÁÁ¾ÆÇÏ´Â À̶õ ¸»À̱¸¿ä. ÇöÀç°¡ ¸Â³×¿ä) (different kinds of matter, like this : matel, plastic, cloth...so on) a glass(pour 70ml of water into the glass) Procedure(ÁøÇà°úÁ¤) 1. Fill the glass with about 70ml of water. 2. Make a paper bar that marked each 10ml. (¿©±â´Â Á¦°¡ ã¾Æº» °ÍµéÀÌ each°¡ ¸ÕÀú ³ª¿Í ÀÖ¾î...±×³É µÑ°Ô¿ä.) (like a measure cup) 3. Put the bar on the outside of glass with plastic tape. 4. Say your materials with your kids. 5. Put one of your toys in the glass. Mark its height. 6. Put your other toys, do the same. 7. Look at that marks. 8. Draw your conclusion. What was the mass of each figure? How did you find out? Yes, everything have different heights. This one is high, this one is low. That is its mass. Ç®ÀÌ: À¯¸®ÄŰú ¾ÆÀÌ Àå³­°¨ ¸î °³, ¹°À» Áغñ ÇÕ´Ï´Ù. ÄÅ¿¡ ¹°À» ä¿ö ³Ö°í ±ä Á¾ÀÌ¿¡ ´«±ÝÀ» ±×·Á ³Ö°í À¯¸®ÄÅ¿¡ ¼¼·Î·Î ºÙÀÔ´Ï´Ù. °¢°¢ÀÇ Àå³­°¨À» Çϳª¾¿ ³Ö¾î º¸°í ³ôÀ̸¦ Ç¥½Ã ÇÕ´Ï´Ù. ¹°°Ç¸¶´Ù ³ôÀ̰¡ ´Ù¸£ÁÒ? ±×°ÍÀÌ ±× ¹°°ÇÀÇ Áú·®ÀÔ´Ï´Ù. ¾ÆÀÌ´Â ¾ÆÁ÷ Å«°Í°ú ÀÛÀº °ÍÀÇ Áú·®Â÷À̸¦ Àß ÀÌÇØ ¸ø ÇÒ Áöµµ ¸ð¸¨´Ï´Ù. ±×·¯³ª, ÀÌ·± ½ÇÇèÀ» ÅëÇØ¼­ Àç¹Ì ÀÖ´Â »ç½ÇÀ» ¾Ë°Ô µÇÁÒ. ¹°°ÇÀ» ³ÖÀ» ¶§¸¶´Ù ¹°ÀÌ ¿Ã¶ó°£´Ù´Â °Í°ú, ¼­·Î ´Ù¸£´Ù´Â °Í. À̰͸¸À¸·Îµµ ¾ÆÀÌ´Â Àç¹Õ¾î ÇÒ °Ì´Ï´Ù. ÀÚ±â Àå³­°¨À» ¸ðµÎ ³ÖÀ» Áöµµ ¸ð¸¨´Ï´Ù....+_+ ½ÇÇèÀ» ÇÏ½Ç ¶§, Áغñ ´Ü°è¿¡¼­ºÎÅÍ ¾ÆÀÌ¿¡°Ô ¿µ¾î·Î ¸»Çϵµ·Ï ÇϽøé ÁÁ½À´Ï´Ù. ±×·¯´Ï±î ¿©±â ÀÖ´Â ¿¹¹®µéÀ» ´Ù ¸» ÇÏ´Â °ÅÁÒ. ¸ø ¿Ü¿ì½Ã¸é Á» Å©°Ô ¾²°Å³ª »Ì¾Æ¼­ º®¿¡ ºÙ¿© ³õ°í ½ÇÇèÀ» ÁøÇà ÇÏ´Â °Íµµ ±¦Âú½À´Ï´Ù. Ãß·Ð, ÀÚ·á ºÐ¼®, °üÂù...µî ¿©·¯°¡Áö °úÇÐÀûÀÎ ±â¼úµéÀÌ ³ª¿ÀÁö¸¸, ÀÌ·± ½ÄÀ¸·Î Çϳª µÑ¾¿ ¾Ë·Á ÁÖ´Â °Íµµ ÁÁÀ» °Í °°½À´Ï´Ù. ±×·³...À̸¸...

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