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Why Is Jupiter So Massive

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Format: Interactive (Online), Printable (PDF)
Grades: 5678
Subjects: scienceela
Standards: MS-ESS1-3
Languages: English, Spanish

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Reading passage

Reading comprehension

Audio narration

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Comprehension quiz

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Writing activity

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Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

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About this reader

This engaging 400-500 word reading passage for grades 6-8 explains why Jupiter is so massive compared to other planets in our solar system. Aligned with NGSS MS-ESS1-3 and the Earth and Space Sciences Disciplinary Core Idea MS-ESS1.B, the passage traces the cause-and-effect relationship between Jupiter's formation location in the cold outer solar system and its ability to capture enormous amounts of hydrogen and helium gas. Students learn how Jupiter's growing core developed enough gravitational pull to attract these abundant gases, ultimately growing to 318 times Earth's mass. The passage includes key vocabulary terms such as gas giant, core, gravity, hydrogen, helium, solar nebula, and mass. Audio-integrated features support diverse learners, while differentiated versions and Spanish translations ensure accessibility for all middle school students studying planetary science and solar system formation.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

Jupiter stands as the giant of our solar system. "JUNO - PIA13746" by NASA/JPL / Wikimedia Commons

Jupiter stands as the giant of our solar system. This enormous planet has a mass about 318 times greater than Earth's mass. Scientists explain that Jupiter's incredible size resulted from where and how it formed billions of years ago.

The solar system began as a spinning cloud of gas and dust called a solar nebula. As this cloud collapsed, the Sun formed at the center. The remaining material spread into a disk around the young Sun. The inner regions near the Sun became very hot. Only metals and rocks could remain solid in these high temperatures. This explains why Mercury, Venus, Earth, and Mars are small, rocky planets.

Jupiter formed much farther from the Sun in the cold outer solar system. In this frigid region, temperatures stayed low enough for ices to form. Water ice, frozen methane, and frozen ammonia were abundant. These ices combined with rock and metal to build Jupiter's core. Evidence shows that Jupiter's core grew to about 10 times Earth's mass. This large core created strong gravity that pulled in surrounding material.

The outer solar system contained vast amounts of hydrogen and helium gas left over from the solar nebula. Jupiter's growing core had enough gravitational pull to capture these gases. The planet pulled in hydrogen and helium for millions of years. These two elements make up about 90 percent of Jupiter's total mass today. This process transformed Jupiter into a gas giant, a planet composed mostly of hydrogen and helium rather than rock.

NASA's Juno spacecraft has been studying Jupiter since 2016. Data from Juno reveals that Jupiter's core may be larger and more spread out than scientists previously thought. The spacecraft's measurements help researchers understand how gas giants form and grow. Jupiter's massive size also affects other objects in the solar system. Its strong gravity can deflect asteroids and comets, sometimes protecting inner planets like Earth from impacts.

Understanding Jupiter's formation helps scientists learn about planet formation throughout the universe. The same processes that created Jupiter may create gas giants around other stars. Jupiter's story shows how location, temperature, and available materials determine what kind of planet can form in different parts of a solar system.

Interesting Fact: If Jupiter had grown to about 80 times its current mass, it would have become a star instead of a planet, generating energy through nuclear fusion like our Sun.

How many times more massive is Jupiter compared to Earth?

About 318 times more massiveAbout 100 times more massiveAbout 500 times more massiveAbout 80 times more massive

Where did Jupiter form in the solar system?

Close to the Sun in the inner solar systemIn the cold outer solar system far from the SunBetween Mars and EarthBeyond Neptune in the Kuiper Belt

What does the term 'gas giant' mean in the passage?

A planet that has a lot of stormsA planet made mostly of rock with some gasA planet composed mostly of hydrogen and helium gasA planet that is very hot

What is a solar nebula?

A type of star that explodesA large cloud of gas and dust that collapsed to form the solar systemThe outer layer of the SunA moon that orbits Jupiter

Why did Jupiter's core grow large enough to capture hydrogen and helium?

It formed in the cold outer solar system where ices and materials were abundantIt was closer to the Sun than other planetsIt had more moons than other planetsIt rotated faster than other planets

What two elements make up about 90 percent of Jupiter's mass?

Oxygen and nitrogenCarbon and oxygenHydrogen and heliumIron and nickel

According to the passage, what effect does Jupiter's gravity have on the solar system?

It makes the Sun rotate fasterIt can deflect asteroids and comets, sometimes protecting inner planetsIt pulls all planets closer to the SunIt creates new moons around Earth

What spacecraft has been studying Jupiter since 2016?

VoyagerHubbleJunoCassini

True or False: The inner planets are small and rocky because the region near the Sun was too hot for gases and ices to remain.

TrueFalse

True or False: If Jupiter had grown to about 80 times its current mass, it would have become another Earth-like planet.

TrueFalse