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The Discovery of the Solar System
Students study the ideas behind the heliocentric theory of Copernicus. They examine about retrograde motion of the planets as they move around the sun. They study astronomers who include Ptolemy, Copernicus, and Galileo.
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New Review Exploring Solar Systems Across the Universe
Scientists have theorized that our solar system formed 4.6 billion years ago. In this pair of activities, learners first hypothesize how our solar system was formed. Using this information, groups then determine how scientists search for...
9th - 12th Science CCSS: Adaptable
Effective and Alternative Secondary Education: Planets in the Solar System
This is a complete packet consisting of three lessons about the origin of the solar system, the sun, and the planets. Work in this packet is meant to be self-directed; learners go at their own pace and instructions direct them on how to...
7th - 12th Science
Could Comets Be the Source of Life on Earth?
For thousands of years people have observed comets as they pass through the solar system, but could there be more to these celestial bodies than meets the eye? Watch this video to learn how these objects have recently been found to...
4 mins 7th - 12th Science CCSS: Adaptable