Podcast
Questions and Answers
What is primarily responsible for the melting of the oceanic plate at a destructive plate boundary?
What is primarily responsible for the melting of the oceanic plate at a destructive plate boundary?
- The temperature of the continental plate
- Increased pressure from tectonic forces
- Chemical reactions within the oceanic plate
- Friction between the oceanic and continental plates (correct)
What phenomenon is commonly triggered due to the friction at a destructive plate boundary?
What phenomenon is commonly triggered due to the friction at a destructive plate boundary?
- Landslides
- Floods
- Earthquakes (correct)
- Tsunamis
What happens to the magma produced at a destructive plate boundary?
What happens to the magma produced at a destructive plate boundary?
- It cools and solidifies within the oceanic plate.
- It rises through cracks and erupts onto the surface. (correct)
- It escapes into the mantle without reaching the surface.
- It gets absorbed by the continental plate.
What is the relationship between oceanic plates and continental plates at a destructive plate boundary?
What is the relationship between oceanic plates and continental plates at a destructive plate boundary?
Which of the following is NOT a consequence of a destructive plate boundary?
Which of the following is NOT a consequence of a destructive plate boundary?
A destructive plate boundary occurs when an oceanic plate is forced under the lighter ______ plate.
A destructive plate boundary occurs when an oceanic plate is forced under the lighter ______ plate.
Friction causes melting of the oceanic plate and may trigger ______.
Friction causes melting of the oceanic plate and may trigger ______.
Magma rises up through cracks and erupts onto the surface as a ______ eruption.
Magma rises up through cracks and erupts onto the surface as a ______ eruption.
The process of an oceanic plate being forced under a continental plate is known as ______.
The process of an oceanic plate being forced under a continental plate is known as ______.
Destructive plate boundaries often result in the formation of ______ as magma escapes to the surface.
Destructive plate boundaries often result in the formation of ______ as magma escapes to the surface.
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Study Notes
Destructive Plate Boundaries
- Occur when oceanic plates collide with continental plates
- Oceanic plates are denser and forced under continental plates
- Friction generated by the collision causes the oceanic plate to melt
- Melted rock (magma) rises through cracks in the Earth's crust
- Magma erupts onto the surface, resulting in volcanic eruptions
- Earthquakes can also occur due to the friction and movement of plates
Destructive Plate Boundaries
- Occur when an oceanic plate collides with a continental plate.
- Oceanic plates are denser and are forced beneath the lighter continental plate.
- Friction generated during this process causes the oceanic plate to melt.
- Molten rock, or magma, rises through cracks in the Earth's crust.
- Magma erupts onto the surface as a volcanic eruption.
- Earthquakes are also commonly triggered by the movement along destructive plate boundaries.
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