9th Grade Earth Science

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| By Head1bc

Head1bc

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Quizzes Created: 1 | Total Attempts: 1,432

| Attempts: 1,435

2.

The sun is not the largest star in our solar system.
- True
- False
Correct Answer

A. False

Explanation

The statement is false because the sun is actually the largest star in our solar system. It is much larger than any other celestial body in our solar system, including the planets. The sun's immense size and mass allow it to exert a gravitational force that keeps all the planets in orbit around it.

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3.

The visable part of the sun is...
- 15,000 degress F
- 10,000 degrees F
- 8,000 degrees F
Correct Answer

A. 10,000 degrees F

Explanation

The visible part of the sun is estimated to have a temperature of around 10,000 degrees Fahrenheit. This temperature is based on scientific measurements and observations. The sun's surface, known as the photosphere, emits light and heat that we can see and feel on Earth. This temperature is incredibly hot and is responsible for the sun's intense brightness.

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4.

The core of the sun is 27 million degrees.
- True
- False
Correct Answer

A. True

Explanation

The core of the sun is extremely hot, with temperatures reaching up to 27 million degrees. This high temperature is necessary for the nuclear fusion reactions that occur in the core, where hydrogen atoms combine to form helium and release enormous amounts of energy. The intense heat and pressure at the core are what sustain the sun's energy output, making it the powerhouse of our solar system.

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5.

The sun was born roughly ( )million years ago.

Correct Answer
4.6
5.2
6.3

Explanation
The given answer options 4.6, 5.2, and 6.3 million years ago suggest that the sun was born around that time. However, without further context or information, it is not possible to determine the exact age of the sun.

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1

9th Grade Earth Science

The sun is..

Quiz Preview

The sun is not the largest star in our solar system.

The visable part of the sun is...

The core of the sun is 27 million degrees.

The sun was born roughly ( )million years ago.