The diagram below shows the process for recycling plastic bottles.

Same questionCompare 5 different answers (Band 7–9)

Sample Response

1

The diagram illustratesdepicts the nine-stagenine‑stage process involved in recycling plastic bottles.

2

Overall, plastic bottle recycling consists of nine consecutive steps starting when consumers depositcommencing with consumers depositing empty plastic bottles in recycling bins and culminating in the manufacture of new consumer goods. The entire cycle can be grouped into three major phases, includingnamely waste collection and sorting, physical processing of plastic waste, and the creation of raw materials followed by finished products. Notably, some finished items include new plastic bottles, thereby completing a continuous recycling cycleclosing this circular recycling loop.

3

Initially, used plastic bottles are discarded into designated recycling binsempty plastic bottles are deposited into recycling containers by the public, before being gathered by a collection vehiclewaste truck and transported to a recycling centre. Upon arrival at this facility, staff sort incoming plastic waste, manually separating and discarding non-recyclablenon‑recyclable items. Following this sorting stage, selected bottles are compacted into dense blocks, which are subsequently crushed into fragments and thoroughly washed to eliminate surface impurities.

4

Once washed, these plastic fragments are poured into an extrusion machinefed into machinery to produce plastic pellets. Subjected to heating, the pellets are converted into blocks of raw material, from which a broad variety of end‑use goods are manufactured, ranging from plastic storage containers and clothing (such as a T-shirt)garments to carrier bags and pencils.

Overall assessment

Why this response received Band 9.0

The essay is an outstanding, fully accurate report that covers every stage of the plastic recycling process with complete precision and exceptional flow. The main strength lies in its clear overview and sophisticated, natural use of passive structures and process-related vocabulary. To maintain this level, continue ensuring that complex sentence structures remain error-free under strict exam conditions.

Band score breakdown

IELTS Writing Criteria Scores

TA

Task Achievement

9.0
Scoring rule

All nine stages of the recycling diagram are accurately covered in logical sequence with a clear, detailed overview.

Next step

Maintain this comprehensive approach by ensuring all visual details are noted without introducing extraneous real-world knowledge.

CC

Coherence and Cohesion

9.0
Scoring rule

The response presents information logically with smooth transitions and well-structured paragraphing throughout.

Next step

Continue utilizing natural cohesive devices and stage indicators to maintain a seamless narrative flow.

LR

Lexical Resource

9.0
Scoring rule

Vocabulary choice is extremely precise, varied, and sophisticated, suited perfectly for a technical process diagram.

Next step

Sustain this high level of lexical variety by continuing to use topic-specific terminology accurately.

GRA

Grammatical Range and Accuracy

9.0
Scoring rule

Grammatical structures are varied, flexible, and completely accurate throughout the response.

Next step

Keep practicing complex sentence formations and passive structures to maintain absolute precision.

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IELTS Academic Writing Task 1

The diagram below shows the process for recycling plastic bottles.

Your response

Words0
20:00

Write the task yourself, then compare your choices with the annotated response.