In the underground ruins on shark tooth island, you need a code to open the stone door. It is the word "open" in the hieroglyphics from Hammerhead's journal. The journal page is on top of the ruins, and you can get it by climbing the vine to the first platform, then jumping left. The word "open" is spelled by pressing the 3rd, 4th, 6th, and 7th symbols from the left, and then pressing the nose.
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There are 7 teeth in the door figure on Shark Tooth island. Each has a symbol in the ancient hieroglyphics, which are listed on Professor Hammerhead's journal page. Pressing the four teeth that spell "OPEN" in hieroglyphics will open the door. Press the 3rd, 4th, 6th, and 7th (from left) and then the nose. (see related questions)
On Poptropica's Shark Tooth Island, the letters BOQNSPE are letter equivalents to the ancient symbols on the face door in the ruins.You have to press the 4 teeth that spell "open"(then the nose) to unlock the door. The translation page is on top of the ruins, and you can get it by climbing the vine and jumping left from the platform.
Spell the word "open" using the ancient symbols or hieroglyphics. On the face, you can press the 3rd, 4th, 6th, and 7th teeth (from the left, in one row), and then the nose. (see related question)
you go and get the ingredients for the calming potion. That are behind the door then you go see the medicine man after you got the ingredients and he`ll make the potion for booga. Then you go and feed the shark the potion (which is in a coconut) and he`ll go to sleep. after that you go meet the hammerhead guy and bring him back to the island where your blimp is once you do that he will give you the medallion.
The picture is not supposed to be a "shark face". It is shown only on private sites, but you can try the related links below. If you consider the 7 teeth as all one row, the teeth that you press are the 3rd, 4th, 6th, and 7th counting from the left. (And then you press the nose.)
You have to press four of the teeth on the face, the ones that spell "open" in the ancient symbols. The translation is on the page from the journal (on top of the ruins). Considering the seven teeth as one row, press the 3rd, 4th, 6th, and 7th teeth, and then the nose. (see related question and link)
The translation key from Professor Hammerhead's journal provides a way to "OPEN" the undergound door in the ruins. By pressing the symbols that correspond to O-P-E-N on the face (and then the nose), you will open the door. (These would be the 3rd, 4th, 6th, and 7th teeth starting from the left side.)
In the underground ruins is door with a face next to it. The seven teeth on the face have the same symbols as the translation page. To open the door, spell "open" by pressing the four teeth that have the symbols for O, P, E, and N, and then the nose. Considering all seven teeth as one row, left to right, you would press the 3rd, 4th, 6th, and 7th teeth.
In order to OPEN the door in the underground ruins of Shark Tooth Island, you need to spell the word "OPEN" in the ancient symbols. The translation key is on top of the ruins' roof. It is the missing page from Professor Hammerhead's journal. You can use the large stone block to reach the vines at right, then jump to the roof. Spelling the word "OPEN" uses four of the face's "teeth". From the left side, you push the 3rd, 4th, 6th, and 7th teeth, then the nose.
According to the journal in the Shark Museum and the translation page (which is on top of the ruins, you have to push the teeth that have the symbols for the letters O, P, E, and N. Considering the teeth as all one row, left to right, these are the 3rd, 4th, 6th, and 7th teeth. Press these and then the nose to OPEN the door. (see related question)
On the face by the underground door in the ruins, you need to press the four teeth that spell the word "OPEN" in the hieroglyphics. The translation page is on top of the ruins. Counting all the teeth in one row, left to right, press the 3rd, 4th, 6th, and 7th teeth, then the nose.