Mon Prof Augmenté
Ocean Plate Under Continent
Age 12 · Science
A dark ocean plate bends and sinks beneath a thicker continental plate. The sinking rock melts, and red magma rises to burst from a volcano.
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In the picture
- Ocean plate at the bend: a dark slab sinking under the continental plate
- Continental plate edge: the thicker pale rock above the sinking slab
- Melting zone: hot rock from the sinking slab turning to magma
- Magma body: red melted rock rising through a rocky channel
- Volcanic vent: the cone’s open top where magma bursts out
Examples
- A heavy mat edge sliding under a lighter mat
- Hot wax pushing upward through a crack in a candle
Key takeaways
- Ocean plates can sink under continental plates.
- Sinking rock melts and magma can rise to erupt explosively.
Quiz: Ocean Plate Under Continent (Age 12)
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Which plate sinks beneath the other in this process?
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What happens to the rock from the sinking plate?
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What can the rising magma do?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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