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Process Diagram

Band 7+: the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

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Image for topic: the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

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The image displays a sequential diagram illustrating the development of a supervolcano, featuring five main phases: (1) initial land depression with the distinction of the surface, crust, and mantle layers, (2) formation of a magma chamber below the surface, crust, and mantle, (3) pressurized build-up leading to a fissure, showing the surface, crust, mantle, and magma chamber, (4) eruption phase with visible smoke and lava, indicating magma rises from beneath the surface through the crust and mantle layers, (5) resultant reduced size of the land formation post-eruption with labeled surface, crust, and mantle layers.

Given the complexity of the image, the above description may not be entirely accurate.

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The diagrams illustrate how supervolcanoes are formed , and their phases .

Overall, the formation of supervolcanoes involves four stages. The main reason for supervolcano formation is the rise of magma caused by pressure .

To begin with, the Earth contains magma in its center. In some areas, the surface has small fissures. There is a mantle just above the magma, and the crust lies under the surface. As pressure increases significantly at the crust , it results in a larger magma chamber, and fissures are created on the surface.

In the next stage, smoke and lava come out of the surface , and the surface experiences an eruption . This happens because magma rises drastically in the magma chamber and flows through the fissures to escape. Lastly, once smoke and lava are released , the surface fills the gap left by the lava. Consequently, it creates a dent on the surface and results in land depression. This happens because the magma chamber shrinks in size due to the eruption.

Word Count: 170

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

magma: 7

surface: 6

fissures: 3

chamber: 3

Try using synonyms for the above words

Task Response

The report adequately addresses the task by summarizing the formation of supervolcanoes and their phases. The main features are identified and reported, and the overall structure is logical. However, there's room for improvement in terms of detail and precision. To enhance the response, consider including more specific details about each stage, such as the changes in the size of the magma chamber and the specific layers involved in each phase. Also, ensure that the comparisons are more explicit and relevant to the key features of the diagram.

Coherence & Cohesion

The report is generally well-organized and easy to follow. The progression of stages is clear. However, consider using more varied cohesive devices to enhance the flow between sentences and paragraphs. For example, you could use transition words to explicitly link the cause-and-effect relationships described.

Lexical Resource

The vocabulary used is adequate and appropriate for the task. To improve, try incorporating a wider range of synonyms and more specific terminology related to geological processes. For instance, instead of repeatedly using 'surface,' consider using 'ground level' or 'terrain' where appropriate.

Grammatical Range & Accuracy

The report demonstrates a good command of grammar, with only minor errors. To achieve a higher score, focus on using a wider range of sentence structures and ensuring consistently accurate punctuation. Pay close attention to subject-verb agreement and correct article usage.

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Band 7+: the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

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the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

the diagram below shows the formation of a supervolcano and the stages involved. summarise the information by selecting and reporting the main features, and make comparison where relevant.

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