These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

Get the facts on Venus. Resource offers a variety of satellite images and facts about the structure and features of Venus.

Did you know the continents on Earth are in constant motion? Our knowledge of this is thanks to both Alfred Wegener and Harry Hess. This article discusses the work of these two scientists.