 Type in the words: Earth's Interior in the image section of an Internet Search or click this link for information about the bottomless pit: Earth's Interior Type in the words: Volcano Eruption in the image section of an Internet Search or click this link: Volcano Eruption Type in the words: Volcano Vent and/or Volcano Crater in the image section of an Internet Search or click these four links: Volcano Vent Volcano Crater Volcanic Crater Caldera Type in the words: Volcano 