Annenberg Foundation
Annenberg Learner: Weather: The Water Cycle
An article about the water cycle and the role that water plays in cloud formation.
National Earth Science Teachers Association
Windows to the Universe: Our Solar System
Our solar system is filled with a wide assortment of celestial bodies - the Sun itself, our eight planets, dwarf planets, and asteroids - and on Earth, life itself! The inner solar system is occasionally visited by comets that loop in...