kyu-young, look at this picture.
(±Ô¿µ¾Æ, À̱׸²ºÁºÁ)
What are they?
(À̰Թ»±î?)
They are teeth!
(ÀÌ)
Do you know what they do in our body?
(À̰¡ ¿ì¸®¸ö¿¡¼ ¾î¶²¿ªÇÒÀ» ÇÏ´ÂÁö ¾Æ´Ï?)
Teeth help to cut and chew foods.
(ÀÌ´Â À½½Ä¹°À» ÀÚ¸£°Å³ª ¾Ã´Â°É µµ¿ÍÁØ´Ù.)
But look at the little germs sittingon the teeth.
(±×·¯³ª ÀÌ¿¡ ¾É¾ÆÀÖ´Â ÀÛÀº±ÕµéºÁ.)
If you don't brush your teeth everyday, these little germs will get to your teeth and make a black hole in them.
(¸ÅÀÏ ³×°¡ À̸¦´ÛÁö¾ÊÀ¸¸é ÀÌ Á¡µéÀÌ ±¸¸ÛÀ» ¸¸µç´Ù.)
Then your going to the dental-clinic.
(±×·³ Ä¡°ú¿¡ °¡¾ßÇØ.)
So be careful and always brush your teeth!
(Ç×»ó À̸¦ Àߴ۾ƶó.)
What do I need?
¨Ícalcium carbonate(ź»êÄ®½·), ¨Îcarbon magnesium(ź»ê¸¶±×³×½·) with borax(ºØ»ê), ¨Ï1 glycerine liquid(Mint flavored), Wooden stick, beaker, food coloring
ÀÌ Àç·áµé¿¡¼ ºØ»êÀº »ì±ÕÁ¦°ÅÀÇ È¿°ú/ ź»ê¸¶±×³×½·°ú ź»êÄ®½·Àº Ä¡¾Æ¿¡ ºÙÀº Â±â¸¦ Á¦°ÅÇϴ¿ªÇÒ/ ¹ÚÇÏÀ¯¿Í ±Û¸®¼¼¸°¿ë¾×Àº Çâ·á·Î ¾²ÀÔ´Ï´Ù.
What do we need when we brush our teeth?
(À̸¦ ´ÛÀ»¶§ ¹¹°¡ ÇÊ¿äÇÒ±î?)
A tooth brush and toothpaste!
(Ä©¼Ö°ú Ä¡¾à)
Today we are going to make our own toothpaste and toothbrush.
(¿À´ÃÀº ¿ì¸®°¡ Ä¡¾à°ú Ä©¼ÖÀ» ¸¸µéÀÚ.)
Now, let's start the experiment.
1)Pour ¨Íinto the beaker.(ºñÀÌÄ¿¿¡ ¨Í¸¦³ÖÀÚ.)
2)Pour ¨Îinto the beaker.
3)Pour the food coloring into the beaker.
4)Pour ¨Ï slowly into the beaker.
5)Stir them well.(Àß Àú¾î)
Which food is good for your teeth?
(¾î¶² À½½ÄÀÌ ¿ì¸®ÀÌ¿¡ ÁÁÁö?)
Which one is bad for your teeth?
(¾î¶² À½½ÄÀÌ ÀÌ¿¡ ¾ÈÁÁÀ»±î?)
Have fun with the stickers.
(½ºÆ¼Ä¿¸¦ ºÙÀÌÀÚ.)
Are apples good for your teeth?
(»ç°ú´Â ÀÌ¿¡ ÁÁ´Ï?)