Note: These Challenge Questions coincide with the Spring 2006 Reports Challenge Question #6 From: Barb lindquist <BLINDQUI@hpsk12.net> Date: Thu Mar 30 2006 - 10:46:34 EST Our revolution around the sun determines the equinox. Sunrise and sunset are caused by the rotation of the earth on its axis. These phenonoma are two different motions of the earth. B. Lindquist's Science Classes Washington Woods Holt, MI USA Received on Thu Mar 30 11:40:09 2006 Copyright 2006 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to jn-help@learner.org