Movement
Planets
Seasons
Space Debris
Miscellaneous
100
The Earth's orbit around the sun lasts this long.
What is one year (or 365 1/4 days)?
100

How many planets are in our solar system?

8

100
Without this, the Earth would not experience seasons.
What is the tilt of Earth's axis?
100
This object orbits the sun and has an icy tail.
What is a comet?
100
This force keeps the planets and moons in their orbits.
What is gravity?
200
How long does it take the Earth to make one complete rotation on its axis?
What is one day or 24 hours?
200
Mercury, Venus, Earth and Mars
What are the inner planets?
200
When part of the Earth is tilted closer to the sun, that part of the world experiences this season.
What is summer?
200
This rocky object is larger than most other types of space debris.
What is an asteroid?
200

The ordinal position Earth is in when compared to the sun...Ordinal means the numbered order.

What is 3rd from the sun?

300

What causes day and night?  

The Earth's rotation on its axis

300
Jupiter, Saturn, Uranus, and Neptune
What are the outer planets?
300
When part of the Earth is tilted away from the sun, that part of the world experiences this season.
What is winter?
300
This rocky object is smaller than an asteroid.
What is a meteoroid?
300
This explains why the stars we see at night seem so small, even though they are much larger than our sun.
What is the stars are farther away than our sun?
400
What is the scientific word for Earth's orbit around the sun?
What is "revolution"?
400
A planet that is smaller than a regular planet.
What is a dwarf planet?
400
During winter, that part of the Earth receives this type of sunlight.
What is indirect rays of sunlight?
400
This space object enters the Earth's atmosphere.
What is a meteorite?
400
The main difference between the composition of the inner planets and the outer planets.
What is the inner planets are solid and the outer planets are gas?
500
The number of orbits Juan has experienced in his lifetime if he is 11 years old.
What is 11?
500

Only the outer planets have this unique feature.

What are rings?

500
If the northern hemisphere is experiencing winter, the southern hemisphere is experiencing this season.
What is summer?
500
This is the galaxy in which our solar system resides.
What is the Milky Way?
500

Most of the asteroids and comets in our solar system come from this place...

What is the Kuiper Asteroid Belt?

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