In the Guanacaste Range it is usual that what receives the name of a volcano is actually a massif with several craters or volcanic peaks. This site contains a detailed page on how volcanoes are formed, which says the time line (around millions of years) and how the eruption occurs; (plate boundaries). The Central Volcanic range has more active volcanoes, and are also younger (less than 1 my) than the volcanoes of the Guanacaste range (less than 2 my).
Less gas and more viscous magma usually mean a less dramatic eruption, often causing streams of lava to ooze from the vent.The mountain-like mounds that we associate with volcanoes are what remain after the material spewed during eruptions has collected and hardened around the vent. About 90 percent of all volcanoes exist within the Ring of Fire along the edges of the Pacific Ocean.About 1,900 volcanoes on Earth are considered active, meaning they show some level of activity and are likely to explode again. One of the word's most active volcanoes, Mount Merapi is the bringer of life and death for a wide swath of the island of Java. As lava from the Kilauea volcano crept closer to his Hawaiian home, resident Gary Sleik felt three years of anxiety go up in smoke. From snow-capped peak to smoldering crater, see how the major eruption 30 years ago today changed the face of the famous volcano. Volcanoes – FEMA for kids teaches kids about volcanoes and how to prepare a disaster supply kit. Volcano Expedition – At Volcano Expedition, kids will have fun reading questions that other kids ask about volcanoes. Volcano Topic Activities – Teachers and parents can use these simple lesson plans to teach kids how to make their own volcanoes and help them understand plate tectonics. What Causes a Volcano – Take a look at this lesson to learn about what causes a volcano and much more!
Let’s Make a Volcano – Kids will love this experiment of building a volcano and watching it erupt. Volcanic Landforms – Teachers of older students can use this website to help develop a lesson plan for teaching kids about volcanic landforms. The Formation of the Hawaiian Islands – Older students can learn more about the formation of the Hawaiian Islands as well as view some images. How Volcanoes Work – Students can learn more about volcanoes and landforms as well as view images and animations. Volcanic Violence – Kids can learn more about how volcanoes work as well as more about Mount St.
Volcanic Eruptions – Easy for kids to read, this can be used to read more about volcanic eruptions. Plate Tectonics and Volcanoes – Learn about plate tectonics and how they are apart of the formation of volcanoes. Earth Floor – Kids will enjoy reading more about the Earth floor and plate tectonics with this website designed with them in mind. Plate Tectonic Guide (PDF) – This is a teacher’s guide to help middle school students learn about plate tectonics.
Volcanoes of the World – Older kids and educators can use this to find volcanoes around the world.

Volcano Facts – Kids can learn all the basic facts about volcanoes from tectonic plates to planning for a disaster. Science for Kids – Kids can use this interactive to see images and learn more about volcanoes. Mount Rainier – Educators and students can learn more about Mount Rainier which is known as America’s most dangerous volcano. World’s Most Active Volcanoes – Volcanic Live provides a great list of the world’s most active volcanoes as well as where they are located. Potentially Active Volcanoes – Students can use this interactive map to learn more about active volcanoes in the United States. Recent Earthquakes and Active Volcanoes – Virtual times offers a map of recent earthquakes and active volcanoes. Volcano Travel – Suitable for third grade students,they can use this to search for and learn about volcanoes around the world.
Different Volcanic Types – Explore each of the types of Volcanoes and learn how each are created! Volcanic Types – Take a look at the different kinds of volcanoes there are and how they form.
Exploring the Environment – Exploring the Environment offers pages and information about volcanoes for teachers. Types of Volcanoes (PDF) – Kids in sixth grade or higher can use the PDF document to learn more about the different types of volcanoes.
The Basic Types of Volcanoes – Older kids and educators can use this to learn the basic types of volcanoes, basic facts and terms, the difference between dormant, active and extinct volcanoes, and the different types of eruptions. Savage Earth – High school kids can read about volcanoes and the hazards caused by the gases emitted from them. Mud Volcanoes – Soupy the bat learns about rocks and minerals and how they are created from magma.
Edible Igneous Rocks – A fun activity for kids, making igneous rocks from ingredients which include chocolate chips will help them learn about volcanoes, magma, and lava. Volcano Vacation – This web quest is designed for students in order to teach them about the ring of fire and help them make a brochure to persuade people to visit a volcano.
Amazing Volcanoes around the World – This think quest project was designed for kids by kids. Volcano Activities – Weather Wiz Kids has a lot of volcano information ranging from the basics of volcanoes to safety tips. Volcano Info also contains information on active volcanoes, giving details on where they are, and how countries are preparing for when they erupt.
This can happen over a period of weeks or many millions of years.A large eruption can be extremely dangerous for people living near a volcano. Many other volcanoes are dormant, showing no current signs of exploding but likely to become active at some point in the future. This opening allows magma and volcanic ash to escape from below the Earth's crust and erupt out of the volcano.

It will teach them about the global perspective, volcano types, allow them to explore the inside of a volcano as well as build a volcano and watch it erupt. Kids will enjoy viewing volcano artwork, taking virtual field trips and reading Rocky’s adventure stories.
Recently NASA was able to see through satellite heat and ash plumes from volcanoes in Indonesia, Eritrea, and Chile. It discusses how volcanoes are formed, volcanoes around the world, major volcanoes, and the ring of fire.
A geothermic project run by the Instituto Costarricense de Electricidad (Costa Rican Electricity Institute) takes place in the Miravalles volcano.
There are various types of volcanoes and they can be found all over the Earth's surface, as well as underneath the ocean. In the United States, active volcanoes can be found in Washington, California, Oregon, and Alaska.
These volcanoes are the Nabro volcano, the Soputan volcano, and the Puyehur-Cordon volcano. The cinder cone volcanoes are built from blobs of lava and particles which is ejected from one eruptive event. It works its way to the top of the volcano and eventually out of the hole in the Earth’s surface.
These are large in dimension and built from lava in alternating layers, cinders, volcanic ash and bombs that reach far above their base. Most of the Costa Rican volcanoes are located in the Guanacaste and Central Volcanic range.
The Arenal Volcano was almost a perfect cone, until 1968, when after almost 500 years of inactivity the volcano exploded and more craters developed. There are very big volcanoes on Earth but the largest volcano known in the solar system is on Mars. Most of these volcanoes and the surrounding areas are protected as National Parks, they are very close to San Jose city and visit one of them is a perfect one-day trip.
Shield volcanoes are built from flow after flow of lava which pours out in multiple directions. The site also has effects after a volcano erupts, including how rescue missions occur and how the government helps etc.
The Hawaiian Islands are shield volcanoes as are some of the biggest volcanoes in the world.

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