What is an example of one Earth day?

The Earth rotates once on its axis.

The Earth moves away from the sun.

The Earth revolves once on its axis.

The Earth moves closer to the sun.

What is the heliocentric theory?

The model where the Earth revolves around the Sun.

The model where the Sun revolves around the Earth.

The model where no celestial bodies move.

The model where neither the Sun nor Earth revolve around each other.

Why would you weigh more on Jupiter than you do on Earth?

Jupiter has more mass and more gravitational pull

Jupiter has less mass and less gravitational pull

You would not weigh more on Jupiter

Jupiter has more mass and less gravitational pull

Which of the following is responsible for Earth's seasons?

the tilt of Earth's axis and its orbit around the Sun

the orbit of the Earth around the Sun and Earth's rotation

the orbit of the Earth around the Sun and rotation of the Sun

the rotation of the Earth and the Sun

Which of the following is a true statement?

The Sun is the center of the solar system.

The Sun is the center of the Milky Way Galaxy.

Our solar system is near the center of the Milky Way Galaxy.

The galactic center is the center of our solar system.

The most recent definition of a planet was adopted by the International Astronomical Union in 2006. It says a planet must do three things, one of those things are...

It must orbit a star (in our cosmic neighborhood, the Sun).

The most recent definition of a planet was adopted by the International Astronomical Union in 2006. It says a planet must do three things, one of those things are...

It must be big enough to have enough gravity to force it into a spherical shape.

It must be big enough to attract comets and asteroids.

It must be big enough to be seen from a telescope.

It must be big enough to have enough gravity to force a moon into orbit.

The most recent definition of a planet was adopted by the International Astronomical Union in 2006. It says a planet must do three things, one of those things are...

It must have cleared away any other objects of a similar size near its orbit around the Sun.

It must have organic life forms.

It must have an an orbit inside the asteroid belt.

It must have at least one moon.

Pluto was declassified has a planet because...

it hasn't cleared it's orbit of debris.

it's orbit around the Sun is so strange.

Which description is considered most accurate regarding what actually happened during the Big Bang?

All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

Two galaxies collided causing an immense explosion as stars crashed into one another

All matter emerged from a massive black hole at the center of the universe.

Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

Which of the following is evidence of the Big Bang Theory?

Cavemen heard a loud bang at the beginning of time.

The universe is getting smaller

Which of the following are true of our Milky Way Galaxy?

It is made up of one- and two-star systems, as well as gases and dust.

Space Unit Review

Authored by Charles Martinez

Science

9th Grade

NGSS covered

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90 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the closest planet to the sun?

Earth

Mercury

Uranus

Saturn

What is the correct order from largest to smallest?

galaxy, universe, planet, sun

planet, sun, galaxy, universe

universe, galaxy, sun, planet

sun, galaxy, universe, planet

Is the sun a star or a planet?

Planet

A star

Which of the following planets most likely has the highest temperature?

Saturn

Earth

Mercury

Neptune

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The further a planet is from the sun the....

colder

hotter

smaller

larger

MULTIPLE CHOICE QUESTION

1 min • 5 pts

How is the Earth different from other planets?

It is warmed by the sun.

It revolves around the sun.

It has a rocky surface.

It has a breathable atmosphere.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the biggest planet in our galaxy?

Saturn

Earth

Jupiter

Neptune

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Space Unit Review

What is the closest planet to the sun?

What is the correct order from largest to smallest?

Is the sun a star or a planet?

Which of the following planets most likely has the highest temperature?

The further a planet is from the sun the....

How is the Earth different from other planets?

What is the biggest planet in our galaxy?

What celestial body is at the center of our solar system?

What is an example of one Earth day?

Which scientific instrument did Galileo use to change the world?

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