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University of Colorado
Looking Inside Planets
Researchers use scientific data to understand what is inside each of the planets. The first in a series of six, this lesson builds off of that concept by having pupils use a data table to create their own scale models of the interiors of...
Space Awareness
Know Your Planets
Does your class know their planets? Implement an activity that has them describing the solar system, identifying properties of the planets, and placing them in order from their distance from the sun.
Star Date
Astronomy Day from McDonald Observatory Solar System Scale Activity
Add a visual aid to your solar system lessons. Enthusiastic astronomers create a model depicting the nine planets and their distance from the sun.
Center for Math and Science Education
Pocket Solar System
How in the world can something as big as the solar system possibly fit in your pocket? Complete this simple modeling activity and find out, as young scientists gain an appreciation for the incredible scale of outer space.
Pacific Science Center
Worlds in Comparison
Young astronomers follow a step-by-step procedure for dividing a lump of dough into parts, resulting in a scaled volume set of puny planets. Along with the printable directions is a template chart of planet names on which learners can...
Voyage Solar System
Round and Round We Go — Exploring Orbits in the Solar System
Math and science come together in this cross-curricular astronomy lesson plan on planetary motion. Starting off with a hands-on activity that engages the class in exploring the geometry of circles and ellipses, this lesson...
Discovery Education
Solar System Scale
Extremely large or extremely small numbers are difficult to comprehend. To help understand the massive scale of the solar system, learners complete two activities. First, they create a model to compares the size of the bodies in the...