What are the top sample expositive paragraphs on the natural phenomena - Rainbows? What is the age of students entering 8th Grade in Vietnam?

What are the top sample expositive paragraphs on the natural phenomena - Rainbows? What is the age of students entering 8th Grade in Vietnam?

What are the top sample expositive paragraphs on the natural phenomena - Rainbows?

The exposition about rainbows is a type of document in which the writer uses scientific, precise, and vivid language to objectively explain and clarify issues regarding natural phenomena, specifically the occurrence of rainbows after rain.

Students will practice writing expositive essays on the natural phenomena - Rainbows in the 8th-grade Literature curriculum.

8th-grade students may refer to the following sample expositive paragraphs on the natural phenomena - Rainbows for high scores in exams!

Top sample expositive paragraphs on the natural phenomena - Rainbows


Sample 1: Rainbow - Painting After the Rain

A rainbow, a masterpiece of nature, always fascinates us. After each rain, when the sunlight pierces through the remaining floating water droplets, a vibrant seven-color rainbow suddenly appears in the sky. The sunlight, which is a combination of many colors, gets bent and separated into beautiful color bands when passing through water droplets. Red, orange, yellow, green, blue, indigo, violet... each color possesses its own beauty, blending together to create a vivid image. A rainbow is not only an interesting optical phenomenon but also a symbol of hope and luck across many cultures.

Sample 2: The Scientific Secret of Rainbows

Rainbows, though beautiful and mysterious, actually have a very simple scientific explanation. Sunlight, when hitting raindrops, gets refracted and reflected multiple times inside the drop. This process causes the light to separate into different colors. Each color gets refracted at a different angle, forming the color spectrum we see. Interestingly, a rainbow has no fixed position; it moves based on the observer’s position and the light source.

Sample 3: Rainbows in Culture

In many cultures, rainbows are viewed as symbols of luck, hope, and a bridge between the heavens and earth. In ancient Greek culture, the goddess Iris was believed to deliver messages from the gods to humans on a rainbow. In the Bible, a rainbow is a sign of the covenant between God and mankind. Rainbows also appear in folklore from various peoples, carrying different meanings but consistently reflecting humanity's admiration and reverence for nature.

Sample 4: Special Types of Rainbows

Beyond the familiar seven-color rainbow, nature creates many other types of rainbows with unique features. Double rainbows appear when light is reflected twice within water droplets. Fogbows form when light passes through tiny water droplets in fog. Moonbows appear at night when moonlight shines through raindrops. Each type of rainbow offers us unique and fascinating visual experiences.

Sample 5: Rainbows in Photography

Rainbows are a favorite subject among photographers. To capture a beautiful rainbow photograph, the photographer needs to choose the appropriate angle, timing, and lighting conditions. Rainbows typically appear after rain, when sunlight pierces through thin clouds. A beautiful rainbow photo not only captures nature’s beauty but also showcases the talent and perspective of the artist.

*Note: The above information is for reference purposes only./.

Top Samples for Explanatory Text on the Natural Phenomenon of Rainbows Grade 8? How old are Grade 8 students currently?

What are the top sample expositive paragraphs on the natural phenomena - Rainbows? What is the age of students entering 8th Grade in Vietnam? (Image from Internet)

What is the age of students entering 8th Grade in Vietnam?

Under Clause 1, Article 28 of the Education Law 2019 on educational levels and entry ages:

Educational levels and entry ages

1. Educational levels and age groups of general education are regulated as follows:

a) Primary education lasts for 05 school years, from the first to the fifth grade. The entry age for the first grade is 06;

b) Lower secondary education lasts for 04 school years, from the sixth to the ninth grade. Students must complete the primary educational programme before entering the sixth grade. The entry age for the sixth grade is 11;

...

2. Cases where schooling could be commenced at younger ages or at higher ages prescribed in clause 1 of this Article are as follows:

a) Commencing schooling at younger ages for students with early intellectual development;

b) Commencing schooling at older ages for students repeating classes, students living in areas with exceptional socio-economic difficulties, students belonging to ethnic minorities, disabled and handicapped students, students with physical or intellectual disadvantages, orphan students, students of poor households, students returning from overseas and other cases as prescribed by law.

...

Thus, the age of students entering 8th Grade in Vietnam is 13.

Note: The age of students entering 8th Grade for students with early intellectual development; students repeating classes, students living in areas with exceptional socio-economic difficulties, students belonging to ethnic minorities, disabled and handicapped students, students with physical or intellectual disadvantages, orphan students, students of poor households, students returning from overseas and other cases as prescribed by law may vary.

Which elective subjects can 8th-grade students in Vietnam take?

According to Section 1, Part 4 of the general education program issued with Circular 32/2018/TT-BGDDT:

Basic Education Stage

...

1.2. Lower secondary level

a) Educational content

Compulsory subjects and educational activities: Literature; Mathematics; Foreign Language 1; Civic Education; History and Geography; Natural Science; Technology; Informatics; Physical Education; Arts (Music, Fine Arts); Experiential learning and career guidance activities; Local educational content.

Optional subjects: Ethnic Minority Language, Foreign Language 2.

b) Teaching duration

Each day consists of one session, with no more than five periods per session; each period lasts 45 minutes. Schools that meet the conditions are encouraged to implement full-day schooling according to guidelines from the Ministry of Education and Training.

...

Thus, the elective subjects in the curriculum for 8th-grade students (13 years old) include two subjects: Ethnic Minority Language and Foreign Language 2.

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