McGraw Hill
Retrograde Motion
How does Mars move both eastward and westward in Earth's sky? A simple interactive describes the concept of retrograde motion using both color and graphic models. Learners understand that the speed of the orbit accounts for Mars' change...
American Museum of Natural History
Planetary Mysteries
Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...
New Mexico State University
Lab 6: Kepler's Laws
A 15-page package thoroughly teaches your physics or astronomy learners about Kepler's three laws of planetary motion. Each one is stated and explained. Class members answer questions, solve problems, and participate in the classic...
Columbus City Schools
Planet X
How did the earth become the mass that it is now? Your young scientists explore this question through the concept of density. Their inquiries consider the impact of gravity on the formation of planets. The culminating activity of the...
University of Colorado
Distance = Rate x Time
Every year, the moon moves 3.8 cm farther from Earth. In the 11th part of 22, classes use the distance formula. They determine the distance to the moon based upon given data and then graph Galileo spacecraft data to determine its movement.
University of Colorado
Using Spectral Data to Explore Saturn and Titan
Saturn's rings are made of dust, ice, and solid chunks of material. Individuals use spectrographs in this final installment of 22 lessons to determine the atmospheric elements. They analyze spectrums from Titan's atmosphere and...