This person studies stars, planets, and galaxies.
Astronomer
This is a creature from another planet.
Alien
This scientist studies the universe and space
Astrophysicist
This is a world that goes around a star, like Earth.
planet
This is when something is full of life and movement, like a busy jungle.
teeming
Scientists think this new _______ might have life on it.
planet
car
ocean
people
The alien left green _______ on the spaceship wall!
fingerprints
teeming
plant
juice
The ocean is _______ with plankton.
planet
scientist
world
teeming
Earth is the only known _______ planet right now.
ocean
teeming
habitable
planet
What might aliens leave behind?
scientists
planets
fingerprints
Which word is about the smallest life in the sea?
plankton
chemical
alien
