Top of page
Posted by: Cheryl Lederle
It can be tricky to understand exactly what is going on during an eclipse. However, eclipses offer a great opportunity for exploring the relationship between the Earth, moon and sun.
Posted in: Science Technology and Math
Posted by: Stephen Wesson
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune: These are the eight planets of the solar system displayed on diagrams in our educational resources today. Of course, many of us still remember Pluto, which was considered a planet for many years until it was recently reclassified. Pluto's demotion isn't the only dramatic change that's happened to educational solar system diagrams over the years, though.
Posted in: Science Technology and Math
Posted by: Cheryl Lederle
Science teachers, as well as the Next Generation Science Standards, recognize the importance of understanding models. Primary sources from the Library of Congress collections invite students to explore how different models of the universe have developed over time, and to think a bit more generally about interpreting models.
Posted in: Science Technology and Math