Big Bang
Scientists
Solar System
Galaxies
Space Debris
100
It that states that the universe began with a tremendous explosion.
What is the Big Bang Theory?
100
He was the first person to observe things in space through a telescope.
What is Galileo famous for?
100
The planet closest to Earth in size and mass.
What is Venus?
100
Spiral,irregular,and elliptical.
What are the types of galaxies?
100
A bright streak of light that results when a meteoroid burns up in the Earth's atmosphere.
What is a meteor?
200

About 13.7 billion years ago

About when did the universe form?

200
A famous scientist that found that the Earth is not the center of the universe.
Who is Kepler?
200
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
What are the planets in order from the sun?
200
It is a spiral galaxy.
What type of galaxy is the Milky Way?
200
They are made of ice, rock, and cosmic dust.
What are comets made of?
300
When something looks redder than it usually is because it is moving away.
What is redshift?
300
He proved that there are other galaxies beyond the Milky Way.
What did Hubble prove?
300
Jupiter has the most
Which planet has the most moons?
300
Nebulas are seen in spiral galaxies.
Where can a nebula be found?
300
The nucleus is the solid center.
What is the nucleus of a comet?
400

Scientists think that the universe is expanding because.

Why are galaxies moving away?

400

A famous scientist who proposed that the Earth was in the middle (Geocentric model).

Who is Claudius Ptolemy?

400

A band in between Mars and Jupiter

What is the asteroid belt?

400
Distant galaxies may just be forming, giving us ideas of how our own galaxy looked billions of years ago.
Why is looking through a telescope like looking back in time?
400
The earth has atmosphere that slows and burns things up, while the moon does not.
Why does the Earth have fewer impacts than the moon?
500
A large piece of rock hit the planet and sent a chunk of earth into orbit.
How did the moon form?
500
The model that says that the Sun is the center of the solar system, rather than Earth.
What is the heliocentric model of the universe?
500

The largest planet in our solar system

What is Jupiter?

500
New stars are most often found there.
What is often found in arms of spiral galaxies?
500
Meteors, meteoroids, and meteorites.
What are the three types of meteors?
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