« Return to TeachersFirst Main Site

TeachersFirst's Elementary School Brain Twisters

Your score: 0

1. (10 points)
Known as "dirty snowballs" or "cosmic snowballs," these icy, small Solar System bodies may have a life span up to thousands of years.
centaurs
comets
meteors
asteroids
trans-Neptunian objects (TNO)

Start Over   Back