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

What planets are made from rocks and minerals and are generally smaller in size?

Inner Planets

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 forces that keep the planets and moons in their orbits.

What is gravity and inertia

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

What moon phase occurs when the right half of the moon is visible.

1st quarter

300
The effect of the Earth rotating on its axis.
What causes day and night?
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

Celestial objects classified by color and temperature.

What is a star?

300

What type of moon appears to be less than half lit in the night sky?

What is a crescent moon?

400
What is the scientific word for Earth's orbit around the sun?
What is "revolution"?
400

What planet has the least amount of gravitational pull with the sun?

Neptune

400

Does the Northern hemisphere receive more direct or indirect light during winter?

What is indirect rays of sunlight?

400

This space object enters the Earth's atmosphere and generally burns up.

What is a meteor?

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

What do we call the imaginary line that Earth rotates on?

Axis

500
Only the outer planets have this unique feature.
What is rings?
500

What do we call days that occur in June and December and represent the longest and shortest days of the year?

Solstices

500
This is the galaxy in which our solar system resides.
What is the Milky Way?
500

When the moon appears to be getting bigger, what is it said to be doing?

What is waxing?

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