Why is There Red Liquid Coming Out of that Mountain?
Volcanoes
Have you ever seen pictures of a mountain like structure with red, glowing liquid coming out of it? If you have, you have seen a volcano erupting. A volcano erupts when the magma chamber under it is filled to the top and cannot hold anymore. When this happens, magma will flow up the vent and out of the top. When the magma is flowing out or down a volcano it is called lava. This lava can reach temperatures of up to 2,000 degree Fahrenheit. Volcanic eruptions are not always explosive. Some volcanoes, called shield volcanoes, do not exploded. Rather when they erupt the lava spills out of the top and runs down the sides. Other volcanoes, called Calderas, are the most explosive. When these volcanoes erupt, lava and debris fly everywhere. These volcanoes can kill thousands of people. Caldera volcanoes take a very long time for their magma chambers to fill. Yellow Stone National Park in the United States is a caldera volcano. The last time Yellowstone erupted was about 640,000 years ago. Yellowstone will erupt again but not anytime in the near future.
Vocabulary:
1. Volcano (noun): a mountain or hill like structure where lava and ash escape2. Erupt (verb): to escape suddenly
3. Magma Chamber (noun): a hole under the volcano that holds magma
4. Magma (noun): liquid rock formed on the inside only of a volcano
5. Vent (noun): a large pipe like structure in the middle of a volcano
6. Lava (noun): rock in liquid form that flows on the outside only of a volcano
7. Explosive (adjective): a sudden burst of material
8. Shield Volcano (noun): a volcano with wide sides
9. Caldera (noun): a volcano with a large dip in the middle of it
10. Debris (noun): scattered pieces of rock and other parts of the volcano
Vocabulary Exercise:
Directions: Find a picture that best represents each vocabulary word from Google. Past the photo on Google doc and label the picture with the vocabulary word and the definition. The first vocabulary word is done for you as an example.
Volcano: a mountain or hill like structure where lava and ash escape
Grammar Point:
This blog used many nouns to talk about volcanoes. A noun is a word that is a person, place or thing. An example of a noun in this blog is volcano.
Grammar Exercise:
Write about an experience you have had with weather. This can be a rain storm, a day with sun and blue sky, or any other weather you have experiences. In this writing you must write at least 7 sentences. You must also include at least 7 nouns. Underline all nouns that you use.
Comments
Post a Comment