Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Vocabulary Unit 2
0
%
0
0
0
Back
Restart
We can use this to go to space.
spacecraft
Oops!
Okay!
What is this part of the Earth?
Core
Oops!
Okay!
What is this?
Observatory
Oops!
Okay!
True or False: Planets, stars and the sun are full of matter.
True
Oops!
Okay!
_______ is everything around you.
Matter
Oops!
Okay!
What is this?
Space probe
Oops!
Okay!
Milky Way is the name of our...
galaxy
Oops!
Okay!
We use this to look at things that are far away.
telescope
Oops!
Okay!
They appear at night.
stars
Oops!
Okay!
A person who studies the universe.
Astronomer
Oops!
Okay!
The __________ between Ecuador and China is long.
distance
Oops!
Okay!
The Earth is ____________ because is the only planet with fresh water.
unique
Oops!
Okay!
What is this?
orbit
Oops!
Okay!
What is this?
Solar system
Oops!
Okay!
True or False: Is this a comet?
False. It is an asteroid.
Oops!
Okay!
What is this?
A comet
Oops!
Okay!
The OUTSIDE of the Earth is the...
SURFACE
Oops!
Okay!
Some people study this.
Gravity
Oops!
Okay!
What is this?
The sun
Oops!
Okay!
What is this?
The Moon
Oops!
Okay!
The moon has 5,185 ___________ .
craters
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies