The Solar System
The name of our galaxy
The Milky Way
The thin outer layer
Crust
The earth spinning on its axis is
Rotation
Gas or rock spheres that orbit stars
Planets
The planet closest to the sun
Mercury
The layer of air surrounding the earth
The atmosphere
The earth moving around the sun is
Orbit
Big gas spheres that produce heat and light
Stars
Venus and Mars
The dense middle layer of the earth
The Mantle
What causes day and night?
Rotation
Dust and gas that will form stars
Nebulas
The planet with lots of rings
Saturn
The inner layer that is made of metals
The core
What causes the different seasons? (Bonus 50 points: name all 4 seasons)
Orbit
Groups of nebulas and stars
Galaxies