6 Written Questions

1. Area where one plate moves under another plate
2. Opening in the Earth's surface that often forms a mountain when materials such as lava and/or tephra build up.
3. Very large hardened magma chamber
4. Thickness of the lava
5. Materials such as ash, cinders, lava bombs that are expelled from a volcano during an eruption
6. Intrusive igneous rock body formed when magma is squeezed into a vertical crack that cuts across rock layers and solidifies

6 Multiple Choice Questions

1. Volcano with gently sloping sides that is composed of layers of lava
   1. Volcano
   2. Shield volcano
   3. Stratovolcano
   4. Composite volcano
2. Magma that rose up between rock layers and hardened, but never formed a volcano
   1. Viscosity
   2. Lava
   3. Batholith
   4. Lacolith
3. Molten rock that is above the Earth's surface
   1. Magma
   2. Dike
   3. Lava
   4. Sill
4. areas in the Earth's mantle that are hotter than then neighboring areas, where magma rises toward the crust and forms volcanoes
   1. Sill
   2. Volcano
   3. Batholith
   4. Hot spot
5. Molten rock that is below the Earth's surface
   1. Magma
   2. Sill
   3. Dike
   4. Lava
6. Volcano formed when tephra accumulates on the sides and forms a steep-sided cone
   1. Composite volcano
   2. Stratovolcano
   3. Shield volcano
   4. Cinder cone volcano

6 True/False Question

1. Sill → Intrusive igneous rock body formed when magma is squeezed into a vertical crack that cuts across rock layers and solidifies
   

   True        False

2. Caldera → Formed when the volcano collapses
   

   True        False

3. Volcanic neck → Opening in the Earth's surface that often forms a mountain when materials such as lava and/or tephra build up.
   

   True        False

4. Composite volcano → Volcano that is composed of layers of tephra and lava
   

   True        False

5. Magma chamber → Area below the volcano that holds the magma
   

   True        False

6. Stratovolcano → Volcano with gently sloping sides that is composed of layers of lava
   

   True        False