Space Science Vocabulary test

Match it! Select the correct answer from the pull down...Good luck!

large, bowl-shaped pits on the surface of a moon or planet

the natural satellite that orbits the Earth

the force that keeps planets from crashing into the sun

one complete rotation of the Earth in a 24 hour period

only a small piece of the moon appears lit

moon is almost all the way lit (appears to have a hump)

the force that holds the Earth in orbit around the sun

getting smaller (as in the lit part of the moon we see from Earth)