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Fifth Grade (Grade 5) Volcanoes Questions

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Grade 5 Volcanoes
Molten rock that flows from a volcano onto earth's surface is
  1. lava
  2. magma
  3. sediment
  4. sand
Grade 5 Volcanoes
Steep-sided volcanoes composed of many layers of volcanic rocks, usually made from high-viscosity lava, ash and rock debris.
  1. Cinder Cones
  2. Composite Volcanoes
  3. Shield Volcanoes
  4. Lava Volcanoes
Grade 5 Volcanoes
A mountain that forms as molten rock that flows from a volcano onto earth's surface is a
  1. earthquake
  2. epicenter
  3. delta
  4. volcano
Grade 5 Volcanoes
Circular or oval cones made up of small pieces of lava from a single vent (hole) that have been blown into the air, cooled and fallen around the vent.
  1. Cinder Cones
  2. Composite Volcanoes
  3. Shield Volcanoes
  4. Lava Volcanoes
Grade 5 Volcanoes
A volcano shaped like a bowl in the middle with long gentle slopes made by basaltic lava flows.
  1. Cinder Cones
  2. Composite Volcanoes
  3. Shield Volcanoes
  4. Lava Volcanoes
Grade 5 Volcanoes
A volcano formed when erupting lava is too thick to flow and makes a steep-sided mound as the lava piles up near the volcanic vent.
  1. Cinder Cones
  2. Composite Volcanoes
  3. Shield Volcanoes
  4. Lava Domes
Grade 5 Volcanoes
The three main categories/stages of volcanoes are:          active         ,          dormant          , and           extinct          
Grade 5 Volcanoes
A volcano is a mountain that forms as molten rock flows through a crack onto Earth's surface.
  1. True
  2. False
Grade 5 Volcanoes
Which of the following is a constructive force of nature?
  1. volcano
  2. tsunami
  3. hurricane
  4. erosion
Grade 5 Volcanoes
Lava is melted rock that is beneath Earth's surface.
  1. True
  2. False
Grade 5 Volcanoes
What is the name of the scientist who studies volcanoes?
  1. pseudologist
  2. craniologist
  3. volcanologist
Grade 5 Volcanoes
1.       Ash      is the measurement of particle size applied to the finest pyroclastic material.

2. Volcanic rock poor in silica but rich in magnesium, iron, and calcium. The most common volcanic rock is called          Basalt         

3. Fragments of magma varying in diameter from a few inches to several feet ejected into the air during a volcanic explosion are called what        Bomb       

4. Large depression produced following an eruption by the collapse of the roof of a magma chamber. Usually circular or horseshoe shaped when viewed from above. This is called           Caldera          

5. Volcanic structure composed of two or more vents or lava domes is called a                    Compound Volcano                   

6. Large volcanic structure with long, gentle slopes built up almost entirely from fluid lava flows is called                  Shield Volcano                 

7. What is magma that has reached the surface of the Earth called        Lava       

8. Molten rock within the earth formed by partial melting of the mantle is called         Magma        

9.                 Magma Chamber                is the reservoir in which magma is accumulated and stored. Located within the structure of a volcano a few miles from the surface.

10. Cone build up by the accumulation of loose bits of magma (scoria) that fall around a vent or crater after being expelled into the air during moderately explosive activity. If still sufficiently hot they meld when they fall to the ground this is called a               Cinder Cone              

11. Dark, vesicled volcanic rock produced by moderately explosive activity or lava flows and resulting from blobs of gas-charged lava that have cooled in flight is called          Scoria         

12. A volcano is composed of three basic elements. A        Vent        through which volcanic material erupts, the           conduit           which is the passage way allowing the magma to reach the surface, and the             reservoir             or magma chamber deep in the crust of the Earth.
Grade 5 Volcanoes
What is a skylight in relation to a volcano?
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