Movement
The Earth's orbit around the sun lasts this long.
What is one year (or 365 1/4 days)?
How many planets are in our Solar System?
What is eight?
Without this, the Earth would not experience seasons.
What is the tilt of Earth's axis?
This object orbits the sun and has an icy tail.
What is a comet?
This force keeps the planets and moons in their orbits.
What is gravity?
How long does it take the Earth to make one complete rotation on its axis?
What is one day or 24 hours?
What are the four first planets?
What is Mercury, Venus, Earth and Mars?
When part of the Earth is tilted closer to the sun, that part of the world experiences this season.
What is summer?
This rocky object is larger than most other types of space debris.
What is an asteroid?
What planet is fourth from the Sun?
What is Mars?
What causes day and night?
What is the Earth rotating on its axis?
What are the four outer planets?
What is Jupiter, Saturn, Uranus, and Neptune?
How many seasons are there on Mars?
What is four?
This space object enters the Earth's atmosphere.
What is a meteorite?
Why does the moon shine at night?
What is the Sun's light reflecting off of the Moon's surface?
Juan is 11 years old. How many complete orbits of the Earth has he experienced in his life?
What is 11?
Only the outer planets have this unique feature.
What is rings?
If the northern hemisphere is experiencing winter, the southern hemisphere is experiencing this season.
What is summer?
This is the galaxy in which our solar system resides.
What is the Milky Way?
What dwarf planet is no longer part of our Solar System?
What is Pluto?