Problem 1
Fill in the blanks with the correct vocabulary word or words. A broad volcano with gently sloping sides is called a(n) __________.
Problem 2
Fill in the blanks with the correct vocabulary word or words. Bits of rock or solidified lava dropped from the air after a volcanic eruption are __________.
Problem 2
Which of the following is made of layers of ash and cooled lava flows? A. shield volcano C. composite volcano B. plateau basalts D. cinder cone volcano
Problem 3
Which of the following volcanoes is located in the United States? A. Hekla C. Mount Vesuvius B. Paricutin D. Mount St. Helens
Problem 4
Fill in the blanks with the correct vocabulary word or words. The steep-walled depression around a volcano's vent is called a(n) __________.
Problem 4
Which of the following igneous features is parallel to the rock layers that it intrudes? A. batholith C. sill B. volcanic neck D. dike
Problem 5
Which of the following forms when the top of a volcano collapses into a partially emptied magma chamber? A. fissure C. caldera B. crater D. Volcanic neck
Problem 5
Fill in the blanks with the correct vocabulary word or words. Magma squeezed into a vertical crack across rock layers is called \(\mathrm{a}(\mathrm{n})\) __________.
Problem 6
What type of boundary is associated with composite volcanoes? A) plates moving apart B) plates sticking and slipping C) plates moving together D) plates sliding past each other
Problem 7
What is the percentage of silica in Granitic magma? A. less than \(45 \%\) B. \(45-52 \%\) C. \(53-65 \%\) D. greater than \(65 \%\)