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3. »¡´ë¿¡ ÈòÁ¾À̸¦ ²È½À´Ï´Ù. »çÁøó·³.. óÀ½ »¡´ë¿¡ ¿Ã¶ó¿Â ³ôÀ̸¦ Á¾ÀÌ¿¡ ¿¬ÇʷΠǥ½ÃÇÕ´Ï´Ù.
4. ÀÌÁ¦ ¶ß°Å¿î ¹°ÀÌ ´ã±ä ÄÅ¿¡ ³Ö°í »¡´ë¸¦ º¸¸é ºÓÀº ±âµÕÀÌ À§·Î ¿Ã¶ó°©´Ï´Ù. Â÷°¡¿î ¹°¿¡ ³ÖÀ¸¸é ³»·Á°©´Ï´Ù.
let¡¯s make a thermometer to measure heat.
We need a small bottle, clay, water paint, paper and a straw
I¡¯ll pour some color and water into this empty bottle, put the straw into the bottle
Then I¡¯ll seal the neck of the bottle with clay
Here are two bowls of water. Hot water and cold water .
I¡¯ll put this bottle into this water and see what happen.
Look at the level of water in the straw!!
can you notice the change?
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