Galaxies
Planets
Solar System
Stars
Wildcard
100

What is the name of our Galaxy?

The Milky Way

100

Which planets are referred to as the gas giants?

The outer planets, (Jupiter, Saturn, Uranus, Neptune)

100

Why is the sun considered to be the center of the solar system?

Everything in the solar system revolves around the sun.

100

How many stars are in our Solar System?

One, the Sun

100

Name the largest planet in our solar system

Jupiter 

(it has a mass 300 times greater than Earth)

200

What are Galaxies made of?

Stars and objects around them as well as gas, dust and gravity. 





200

Name the planets in order from closest to the sun to farthest from the sun.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

200

Our solar system consists of eight planets. What is a planet?

A large object in space that revolves around a star in its own orbit

200

There are many different colors of stars. What characteristic determines the color of a star?

Temperature

200

What is the process of Earth traveling around the sun called?

Orbiting/Revolution

300

There are several different types of galaxies. How do scientists classify galaxies?

By shape

300

Why do the planets orbit the sun?

The planets are pulled in by the sun’s gravity.

300

What is found between the inner planets and the outer planets?

Asteroids

300

Elliptical galaxies are brightest toward the center, why?

The center is crowded with stars, and the number of stars decreases farther out.

300

Planets with a rocky composition are... 

Inner planets, (Mercury, Venus, Earth, and Mars)

400

There are two types of spiral galaxies. What is a difference between a barred spiral galaxy and a normal spiral galaxy?

the shape of the galaxy’s center

400

True or False: 

Earth's surface is similar to Saturn?

False

400

Ganymede is a moon of Jupiter. It is larger than Mercury and has a metallic core similar to Earth’s core. Which of these statements best explains why Ganymede is classified as a moon rather than a planet?

It orbits Jupiter instead of the sun.

400

What makes the sun more important than the other stars?

When compared to other stars, the sun is very close to Earth.

400

Why does the sun appear brighter and larger than other stars?

It is the closest star to Earth/the only star in our solar system

500

Two galaxies colliding with each other is known as...

A irregular galaxy

500

Which planet has a large solid core?

Mercury

500

What objects revolve around the Sun as part of the solar system that are not planets? (2 things)

comets & asteroids

500

If two stars are the same color then...

The stars are the same temperature. 

500

Name the celestial body composed of ice and dust that can be found orbiting the sun.

Comics 



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