4th Grade - Facts on Volcanoes

Volcanoes are some of the most interesting and exciting landforms on Earth and other planets! What are some facts you can find out about volcanoes? Use www.google.com to find reliable websites that will help you learn about volcanoes. When you’ve found 2 facts, click on Comments and post them to this website.

 Have fun learning about volcanoes!

46 Responses to “4th Grade - Facts on Volcanoes”

  1. Terri Armendariz Says:

    There are over 1500 active volcanoes on Earth.
    Friction between the Earth’s plates causes earthquakes and volcanic eruptions.
    Fact taken from Woodland’s Junior School website at http://www.woodlands-junior.kent.sch.uk/Homework/mountains/volcanoes.htm.

  2. Mara .H. Says:

    Volcanoes are like giant safety valves that release the pressure that builds up inside the Earth.

  3. Kaitlyn B. Says:

    The name “volcano” has its origin from the name of Vulcan, a god of fire in Roman mythology.

  4. Nam C. Says:

    The name “volcano” has its origin from the name of Vulcan, a god of fire in Roman mythology.

  5. colton E Says:

    When a volcano erupts, there may be lava flows, flattened landscapes, poisonous gases, and flying rock and ash.

  6. Elyssa R Says:

    The name “volcano” has its origin from the name of Vulcan, a god of fire in Roman mythology

  7. Shannon h Says:

    There are more than 1500 active volcanoes on the Earth. We currently know of 80 or more which are under the oceans.

  8. Brianna P Says:

    In simple terms a volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth.

  9. Dillon K Says:

    The world’s largest, active volcano is Mauna Loa in Hawaii, where famous coffee is grown in the rich volcanic soils.

  10. Gabriela L Says:

    Lava is liquid rock (magma) that flows out of a volcano. Fresh lava ranges from 1,300° to 2,200° F (700° to 1,200° C) in temperature and glows red hot to white hot as it flows.

  11. Ken C Says:

    Lava flows from volcanoes rarely kill people because they move slowly enough for people to get out of the way.

  12. jordon p Says:

    The largest volcano in the world is Mauna Loa in Hawaii.

  13. Kelly W Says:

    The biggest volcano in the world is Mauna Loa in Hawaii.

  14. Jessica V Says:

    During the eruption of the Tambora volcano at Sumbawa in Indonesia, which lasted from April 5 until April 10 in 1815, at least 92,000 people lost their lives.

  15. Dustin U Says:

    Loki’s magma was so hot that it melted through 609 meters of glacial ice.

  16. Joy M Says:

    There are about 1500 active volcanoes in the world that have erupted in the past 10,000 years.

  17. Ashleigh p Says:

    There are about 1500 active volcanoes in the world that have erupted in the past 10,000 years.

  18. Porfi O. Says:

    There are about 1500 active volcanoes in the world that have erupted in the past 10,000 years.
    The biggest volcano in the world is Mauna Loa in Hawaii.

  19. Taylor T Says:

    A volcano is a mountain topped with vents, holes, and craters. When the volcano erupts, lava, ash, cinders, dust, and hot gas can pour out the top.

  20. Daniel D Says:

    Molten rock, magma, comes from within the earth and erupts onto the surface.

  21. Justin B Says:

    The eruption of Tambora in Indonesia in 1815 killed the most people.

  22. Angelica J Says:

    The Earth uses volcanoes to cool off its mantle.

  23. Veronica Be Says:

    From base to summit, the tallest would be Mauna Kea, which, when measured from its base on the ocean floor, is more than 30,000 feet high.

  24. Monica M Says:

    There are about 1500 active volcanoes in the world that have erupted in the past 10,000 years.

  25. Veronica Ba Says:

    The rock debris carried by the blast of Mount St. Helen’s eruption traveled as fast as 250 miles per hour

  26. Austin A Says:

    The most deadliest volcano eruption ever was in Tambora, Indonesia in 1815. It killed 92,000 people and left 82,000 starving.

  27. Arielle P Says:

    The rock debris carried by the blast of Mount St. Helen’s eruption traveled as fast as 250 miles per hour!

  28. Amelee H. Says:

    More than half of the world’s active volcanoes above sea level encircle the Pacific Ocean to form the “Ring of Fire”

  29. Andrew J. Says:

    A dormant volcano is one that has not erupted for many years, although there is still some activity deep inside.

  30. Jennifer J. Says:

    The biggest volcano in the world is Mauna Loa in Hawaii.

  31. Hayden A Says:

    The largest volcano in the world is Mauna Loa.

  32. Alex G Says:

    The biggest volcano in the world is Mauna Loa in Hawaii.

  33. Cala P Says:

    A volcano is a geological landform (usually a mountain) where magma (rock of the earth’s interior made molten or liquid by high pressure and temperature) erupts through the surface of the planet.

  34. Eli M Says:

    Hawaii was formed by 5 volcanoes. Mauna Loa, and Kilauea are the only active volcanoes.

  35. Selena.R Says:

    Magma is liquid rock inside a volcano

  36. Maranada R. Says:

    The most abudndant and most productive recovery of diamonds from kimberlite pipes is from South Africa

  37. Carla C. Says:

    An active volcano is one that erupts regularly.

  38. Taya M. Says:

    In simple terms a volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth.

  39. Julissa B Says:

    An extinct volcano has ceased to be active.

  40. Nicholas L Says:

    Fresh lava ranges from 1,300° to 2,200° F (700° to 1,200° C) in temperature and glows red hot to white hot as it flows.

  41. Kyle C Says:

    The name “volcano” has its origin from the name of Vulcan, a god of fire in Roman mythology.

  42. Jasmine A Says:

    Lava is liquid rock (magma) that flows out of a volcano.

  43. Kyle P Says:

    The oldest rocks are found on the west coast of Greenland, they are 3.9 billion years old.

  44. Alyssa R. Says:

    Lava cools slowly because lava is a poor conductor of heat.

  45. Interiors Says:

    I was searching for information about \’Earth Interior\’, and this your page (\’4th Grade - Facts on Volcanoes\’) was in search results. Not sure why it appeared, but your site is still interesting to read :)

  46. connor hurst Says:

    From base to summit, the tallest would be Mauna Kea, which, when measured from its base on the ocean floor, is more than 30,000 feet high.

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