Which of the following best describes a star? A star is a celestial body ---

composed of gases that emit light due to nuclear reactions

composed of rock and metal with a very high density

that is too big to be an asteroid, but too small to be a planet.

that rotates on an axis and revolves around the Sun

Which of the following best describes a nebula. A nebula is

an interstellar cloud of dust, hydrogen, helium and other gases

a region in the solar system that is occupied by irregularly shaped bodies

a large and icy celestial body with an irregular orbit around the Sun

a natural satellite created by the collision of two large asteroids

Which of the following best describes a galaxy? A galaxy is ---

A particle of debris in the solar system that does not act as a satellite of any planet

a visible body of liquid or frozen crystal droplets suspended above a planetary surface

the visible path of a meteoroid as it enters Earth's atmosphere

A characteristic of a nebula is that it

is a region where stars are born

is at the center of the solar system

forms halfway through a star's life cycle

has the coolest temperature in space

Why does Earth get more energy from the sun than from all the other stars in the universe combined?

The sun is much closer than the other stars.

The sun is much larger than other stars.

The sun is much hotter than the other stars.

Which of these correctly compares the masses of different objects in the universe?

A star has less mass than a galaxy and more mass than a planet.

A moon has less mass than a star and more mass than the planet it orbits.

A planet has less mass than a galaxy and more mass than the star it orbits.

A galaxy has less mass than a moon and more mass than a planet.

8.8 A Components of the Universe

Authored by Alonzo Martinez III

Science

8th Grade

NGSS covered

Used 305+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which celestial body is know for its intense pull of gravity?

nebula

black hole

Super Giant

A Galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Earth is a part of this galaxy

Many more stars exist outside the galaxy

The stars in the center of the galaxy are extremely small.

The center of the galaxy consists of a dense cluster of stars.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The universe has may different components. Which list places four components of the universe in the most likely order from smallest to largest.

Planets, Stars, Galaxies, Nebulae

Nebulae, Stars, Planets, Galaxies

Galaxies, Stars, Planets, Nebulae

Planets, Stars, Nebulae, Galaxies

Tags

NGSS.MS-ESS1-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Earth is a part of this galaxy

Many more stars exist outside the galaxy

The stars in the center of the galaxy are extremely small.

The center of the galaxy consists of a dense cluster of stars.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of galaxy is this?

Spiral

Elliptical

Irregular

Irrational

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A system of stars, gas, dust, and dark matter bound together by gravity is called ---

an asteroid

a nebula

a galaxy

a moon

Tags

NGSS.MS-ESS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Stars are made up mostly of which two elements?

Hydrogen and Helium

Mercury and Strontium

Iron and Potassium

Krypton and Bismuth

Tags

NGSS.HS-ESS1-3

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8.8 A Components of the Universe

Which celestial body is know for its intense pull of gravity?

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

The universe has may different components. Which list places four components of the universe in the most likely order from smallest to largest.

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

What type of galaxy is this?

A system of stars, gas, dust, and dark matter bound together by gravity is called ---

Stars are made up mostly of which two elements?

The stars and all the other matter in a galaxy are held together by which of the following?

Galaxies are classified by their shapes into all of the following types except

Which of the following is an accurate description of the relationship between components of the universe?

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