This site gives a description of the environment of the Ukraine. Read about landforms, vegetation, animal life, and climate. Also read about the history and demographics of Ukraine.

Read about the cultural heritage of Peru on this site. Topics discussed include art, music, religion, and food.

Students will use a reading selection to compare the solar system to a neighborhood and do some writing, drawing and make comparisons to reinforce their knowledge about the rocky planets, gas giants and amount of matter in the solar system.

Read about the fascinating discovery of liquid water on Mars. Includes video.

Read about some of the most important space discoveries in recent times.

Read about our solar system and its formation over 4.6 billion years ago. Find out about the planets, asteroids, meteors, satellites, and comets. More in-depth planet background can be accessed through links.

Read all about sunspots, dark, planet-sized regions that appear on the "surface" of the Sun.