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Sky Server: Types of Stars
SkyServer of the Sloan Digital Sky Survey shows you the different types of stars as well as how to classify and identify them.
John Wiley & Sons
Wiley: Physical Geography: Animation: Types of Dunes
A graphic compares different types of dunes in terms of the presence of three parameters: wind, sand, and vegetation. Clicking an example reveals a photo and a sentence about the dune formation.
Ministerio de Educación (Spain)
Ministerio De Educacion: Estrellas Binarias Modulo v Unidad 1
In this module you will learn the different types of binary stars.
Nine Planets
The Nine Planets: Meteors, Meteorites and Impacts
Very informative and in-depth site about meteors, meteorites and their impacts. This site provides lots of text to inform about meteors, lots of pictures of the different types of meteorites, tables and statistics about meteors and...
University of California
Ucmp: From Starfish to Sea Cucumbers
A comprehensive site that looks at the different types of echinoderms, their life history and anatomy.
Ministerio de Educación (Spain)
Ministerio De Educacion: Diagrama H R Modulo Ii Unidad 3
In this unit you will study the different types of luminosity, the effective temperature of the stars and the Hertzsprung-Russell diagram.
Other
Sky Server: Color
SkyServer answers why stars have different colors and shows what you can learn by studying the colors of stars, galaxies, and other objects.
Curated OER
Star of the West
Site has information on the different types of artillery that were used in the Civil War.
E-learning for Kids
E Learning for Kids: Science: Christmas Island: How Do We Describe the Weather?
Join Tim on Christmas Island to understand how to gauge weather conditions. Learn all about tracking weather, finding clothing suitable for various weather conditions, which animal likes a certain type of weather, and activities for...