The earth is a ____.
Galaxy
Star
Planet
Universe
When a planet circles the sun it is called a _____.
Comet
Solar System
Atmosphere
Orbit
The sun and our planets make up our _____.
Solar System
Star
Atmosphere
Universe
Earth's ______ is full of oxygen.
Lithosphere
Core
Mantle
Atmosphere
Many stars and solar systems makes up a _______.
Atmosphere
Galaxy
Ecosphere
Habitat
There are an estimated 100 to 200 billion galaxies in our ________.
Twitterverse
Megaverse
Multiverse
Universe
It's a cloud or rock ice and gas.
Comet
Star
Moon
Planert
The Earth makes a ______ around the sun every 365 days.
Journey
Circle
Figure-8
Square
Scientist keep ____, or information, on the comets in our galaxy.
Posters
Car Keys
Data
Their secrets
Another word for aliens.
Intraterrestrial
Ultraterrestrials
Reptilians
Extraterrestrial
A structured competitive argument is called a ______.
Fun Time
Debate
Dual
Annoyance
Everything outside of the Earth's atmosphere is called ______.
Planet
Space
Journey
Debate
