* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 8th Grade
Document related concepts
8th Grade Chapter 12, Section 1 Pop Quiz VOCABULARY 1. The steep-walled depression around a volcano’s neck is called the _________________________________. 2. Each opening in the earth where lava oozes or gases leak out is a(n) ________________________________. 3. The name for an opening in Earth that erupts gases, ash, and lava is a(n) _______________________________________. 4. A place of Earth’s crust where unusually hot magma has broken through the surface in the middle of a tectonic plate is a(n) ______________________________________. CONCEPTS 5. The world’s most active volcano is ____________________________ in __________________________. 6. The land of fire and ice is ______________________________ because it sits on an area where plates move apart, and the country is made of volcanoes. 7. Volcanic ash and debris that rushes down the side of a volcanic mountain is called a(n) ________________________________________. This can kill everything in its path. 8. Sulfurous gases from volcanoes mix with water vapor in the atmosphere forming ____________________________________, which can kill plants and aquatic life. 9. Magma comes to the surface of Earth’s crust because ______________________________________________________________________. 10. Volcanoes occur at ___________________________________________, ________________________________________, and _____________________________________________. 11. ______________________________________________ sits on top of a hot spot volcano. 10. A fairly new island (formed in 1963) called _________________________________________ is an example of an active volcano that is situated on a divergent boundary. 12. _________________________________________, on the island of Montserrat is an example of an active volcano on a convergent boundary. 13. Earth has more than ________________________ active volcanoes. 14. Sometimes volcanic eruptions on the Mid-Atlantic ridge cause lava to cool and build up and eventually form ______________________________. 15. The _____________________________________________ is a belt of active volcanoes that circles the Pacific Ocean. 16. The large underground mass—or “room”—of magma that collects before it is forced to the surface of Earth is called the ___________________________________________.