Vietnam: What are the sample expositive essays on a natural phenomenon - volcanoes for 8th-grade students? What are the writing skills required for 8th-grade students?
What are the sample expositive essays on a natural phenomenon - volcanoes for 8th-grade students in Vietnam?
8th-grade students can refer to the following sample expositive essays on a natural phenomenon - volcanoes in Vietnam:
Sample 1:
| Volcanoes are one of the most striking natural phenomena, showcasing the hidden power of the Earth. A volcanic eruption occurs when magma, the molten rock deep within the Earth, is pushed to the surface by immense pressure from the deeper layers of the Earth's crust. This eruption creates a lively and intense spectacle but also poses many dangers to humans. The formation of volcanoes is linked to the movement of tectonic plates. The Earth is divided into several large tectonic plates, similar to puzzle pieces. When these plates shift or collide, the pressure causes magma from the deepest layer of the Earth's crust to be pushed up, forming volcanoes. That is why volcanoes are often concentrated in areas with active geological activity, such as the "Ring of Fire" surrounding the Pacific Ocean. When a volcano erupts, the flowing magma becomes lava, spewing from the mouth of the volcano and spreading across surrounding areas. Ash and hot rocks are also ejected into the air, forming thick clouds. Large eruptions can create booming sounds and smoke columns thousands of meters high. Volcanic ash that rises into the air can obscure the sun, causing a temporary cooling climate phenomenon known as a "volcanic winter." Volcanoes can be classified into three main types: active, dormant, and extinct. Active volcanoes are those that continue to erupt or are likely to erupt in the near future. Dormant volcanoes have not erupted for a long time but still pose a risk. Extinct volcanoes no longer erupt as the geological structures beneath them have stabilized. The impact of volcanoes on human life is complex. On one hand, an eruption can cause mud and rock floods, destroying homes and roads. The heat from the lava can ignite forests and cause significant environmental damage. However, volcanoes also offer benefits. The cooled lava creates fertile soil, aiding plant growth. Volcanic regions, like those in Hawaii or Indonesia, are rich in minerals, providing valuable resources to humans. Through the volcanic phenomenon, we see that nature embodies both destructive power and the ability to produce great benefits. Understanding and researching volcanoes enable humans to better respond to natural disasters and optimally utilize the resources that Earth endows. |
Sample 2:
| Volcanoes are a unique natural phenomenon that, when occurring, cause humans to distinctly perceive the formidable power of the Earth. Volcanoes form when magma from deep within is pushed up through vents and escapes at the surface. During eruptions, volcanoes expel lava and ash, creating scenes both beautiful and dangerous. Volcanoes primarily form due to the activity of Earth's tectonic plates. These plates often shift and collide, generating immense pressure beneath the surface. When the pressure becomes great enough, magma finds its way through cracks, resulting in volcanic activity. This is why volcanoes are frequently found at tectonic boundaries, such as the Pacific Ring of Fire. Currently, volcanoes can be categorized into 3 main types: active, dormant, and extinct. Active volcanoes are ones that can erupt frequently, such as Mount Merapi in Indonesia. Dormant volcanoes have not erupted for a long time but retain potential eruptive risk. Extinct volcanoes no longer have the potential to erupt, such as Mount Kilimanjaro in Africa. Though volcanoes pose dangers, they also offer important benefits. First, the cooled volcanic lava creates highly fertile soil, suitable for agriculture. Additionally, volcanic regions provide valuable resources such as sulfur, copper, and diamonds. Furthermore, volcanoes contribute to tourism development, attracting visitors worldwide to witness volcanic eruptions. However, active volcanoes also have significant detrimental impacts. When erupting, hot lava can flow down, destroying homes, crops, and threatening human lives. Volcanic ash in the air can harm health, particularly the lungs. If ash is too dense, it may obscure sunlight, leading to a "volcanic winter" and affecting climate. The phenomenon of volcanic eruptions has compelled humans to study more about the Earth. Scientists are working to predict eruptions to promptly evacuate people and minimize damage. Understanding volcanoes enhances our awareness of nature’s power and reminds humans of the need to protect the environment. Volcanoes are proof that the Earth is continuously changing. While they bring numerous dangers, these phenomena also showcase the vibrancy and strength of our planet. Understanding volcanoes not only fosters appreciation for nature but also highlights the necessity of science in safeguarding humans from natural disasters. |
Note: The sample expositive essays on a natural phenomenon - volcanoes for 8th-grade students in Vietnam are for reference only.
What are the sample expositive essays on a natural phenomenon - volcanoes for 8th-grade students in Vietnam? What are the writing skills required for 8th-grade students? (Image from the Internet)
What are the writing skills required for 8th-grade students in Vietnam?
Under section V of the General Education Program for Literature attached to Circular 32/2018/TT-BGDDT, the writing skills required for 8th-grade students in Vietnam are as follows:
- Writing Process
+ Know how to write a text ensuring the steps: preparation before writing (deciding on the topic, purpose, audience, form, gathering information, resources); brainstorming and outlining; drafting; reviewing and editing, gaining experience.
- Writing Practice
+ Write a narrative essay recounting a trip or a social activity that left a deep impression and emotional impact, using descriptive or expressive elements, or both.
+ Begin to compose a free verse poem (six or seven syllables). Write a paragraph reflecting on a free verse poem.
+ Write a persuasive text on a life issue, clearly presenting the topic and the writer's opinion (agreement or disagreement) on the issue; provide convincing arguments and evidence.
+ Analyse a literary work: state the theme; cite and analyze a few distinctive artistic features used in the work.
+ Write an explanatory text describing a natural phenomenon or introducing a book; present important information clearly and persuasively.
+ Write a petition text about a life issue.
What Vietnamese Language knowledge is taught in the 8th-grade Literature curriculum?
Under section V of the General Education Program for Literature attached to Circular 32/2018/TT-BGDDT, the Vietnamese language knowledge taught in the 8th-grade Literature curriculum includes:
- The meaning of some relatively common idioms and proverbs
- The connotation of words and the selection of words
- Onomatopoeic and onomatopoeic words: characteristics and effects
- The meaning of some common Sino-Vietnamese elements (e.g., vo, huu) and the meaning of words containing these elements (e.g., vo tu, vo hinh, huu quan, huu han)
- Particles, interjections: characteristics and functions
- Independent components in a sentence: characteristics and functions
- Declarative, interrogative, imperative, and exclamatory sentences; affirmative and negative sentences: characteristics and functions
- Rhetorical devices of inversion, rhetorical question: characteristics and effects
- Explicit and implicit meanings of sentences
- Paragraph structures: deductive, inductive, parallel, cooperative: characteristics and functions
- Text type and genre
+ Narrative text: an essay recounting a trip or a social activity
+ Expressive text: six-syllable, seven-syllable poems; reflective paragraphs on a six-syllable or seven-syllable poem
+ Argumentative text: thesis, arguments, reasons, and evidence; discussion on a life issue; analysis of a literary work
+ Informative text: objective information, subjective opinion and purpose of the text; explanatory text explaining a natural phenomenon; book introduction essay; petition text
- Colloquial language and regional dialect: function and value
- Social dialect: function and value
- Non-verbal communication means images, data, charts,...
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