PTE Academic Write Essay · Problem and solution

Challenges and Potential Solutions in Space Exploration

A high-scoring sample essay with the plan behind it, the vocabulary that lifts it, and what the scoring traits reward.
  • 259 words
  • Problem and solution
  • beginner
  • 20 minutes

The prompt

What are some of the challenges related to space exploration, and what solutions can you suggest? Provide specific examples to support your answer.

20 minutes. Write 200 to 300 words. A BandLadder practice prompt, not a recalled exam question.

Problem and solution

Plan before you write

  1. 1

    Position

    Space exploration faces significant obstacles including extreme physical hazards and exorbitant costs, which necessitate international collaboration and technological innovation.

  2. 2

    Paragraph 2

    The physiological and environmental dangers posed by space travel require advanced shielding and life-support systems.

  3. 3

    Paragraph 3

    The immense financial burden of space missions can be addressed through public-private partnerships and shared global resources.

  • →Name one or two specific problems, not a general complaint.
  • →Match each solution to a problem and say who would carry it out.
  • →Keep problems and solutions in separate paragraphs so the structure is visible.

Model answer

Sample essay

High-scoring sample259 words. Use the structure and vocabulary, not the sentences: PTE flags memorised templates.

Space exploration represents one of humanity's most ambitious scientific endeavors. While the prospect of discovering new worlds is compelling, the mission is fraught with severe technical and financial difficulties. This essay argues that these challenges must be addressed through robust international cooperation and the integration of emerging private-sector technologies.

The primary barrier to successful exploration remains the hostile environment of space, specifically cosmic radiation and microgravity, which threaten human health. Prolonged exposure to such conditions can lead to muscle atrophy and long-term cellular damage. To mitigate these risks, agencies like NASA are developing sophisticated radiation shielding and closed-loop life-support systems. For instance, the ongoing research aboard the International Space Station provides critical data on mitigating physiological degradation, allowing engineers to refine designs for future Mars missions.

Furthermore, the prohibitive economic cost of space flight remains a significant deterrent for many nations. Conventional government-funded programs often struggle with budget constraints and political instability. A viable solution lies in fostering public-private partnerships, which leverage commercial efficiency to reduce launch costs. A pertinent example is SpaceX, which has revolutionized the industry by utilizing reusable rocket technology. This paradigm shift significantly lowers the price per kilogram of payload, making deep-space exploration more economically sustainable for global space agencies.

In conclusion, although space exploration is hindered by formidable health risks and substantial financial requirements, these hurdles are not insurmountable. By prioritizing technological innovation and encouraging cross-sector collaboration, humanity can overcome these barriers. Continued investment in these areas is essential for the advancement of space travel and the eventual expansion of our presence beyond Earth.

Scoring traits

Why this scores well

This essay scores highly on linguistic range and formal register by using precise, topic-specific vocabulary and complex sentence structures. The most frequent error on this prompt is failing to provide concrete examples, such as specific agency initiatives or private companies, which weakens the development of the argument.

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8 words

Vocabulary from the essay

  • fraught

    filled with or destined to result in

  • atrophy

    the gradual decline or wasting away of tissues

  • mitigate

    to make less severe, serious, or painful

  • prohibitive

    so high that it prevents people from buying

  • paradigm shift

    a fundamental change in approach or underlying assumptions

  • payload

    the cargo carried by a rocket or vehicle

  • insurmountable

    too great to be overcome or conquered

  • formidable

    inspiring fear or respect through being large

See also the Write Essay guide.

Frequently asked questions

How long should a PTE essay be?+

Between 200 and 300 words; outside that range the form score drops to zero. This sample is 259 words, written for the 20-minute limit.

What type of essay is this?+

Problem and solution. Name one or two specific problems, not a general complaint.

What does PTE reward in the essay?+

This essay scores highly on linguistic range and formal register by using precise, topic-specific vocabulary and complex sentence structures. The most frequent error on this prompt is failing to provide concrete examples, such as specific agency initiatives or private companies, which weakens the development of the argument.

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