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Science Questians
Science Questians for test
Question | Answer |
---|---|
Which type of volcanic eruptions associated with pyroclastic materials being released? Why? | Explosive Eruption |
What is the difference between lava and magma? | Lava is above ground and magma is underground |
What process causes hot, solid rock to come up through the mantle over hot spots? | Convection |
What flows onto Earth's surface during a non-explosive volcanic eruption? | Lava |
Which type of volcano is least likely to have a pyroclastic flow? Why? | Shield volcanoes |
What type of volcano is composed mostly of pyroclastic material? | Cinder cones |
Volcanic islands can sometimes form over hot spots. What land feature should be under a hot spot? | Mantle Plume |
What type of volcano has the steepest sides? Why? | Cinder Cones |
If a volcano's eruption alternates between quiet and violet eruptions, which type of volcano is it? | Composite volcanoes |
When there are long cracks in earth's surface and magma can sometimes erupt from them, what are the cracks called? | Fissures |
What volcanic feature forms a small depression around a volcano's vent? | Craters |