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Illustrative Mathematics
Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit...
Curated OER
Comparing Earth and Mars
Students work together to compare and contrast Mars and Earth. Using the internet, they answer questions given to them by their teacher and calculate answers showing their work. They graph their answers and discuss the results of the...
Curated OER
Measuring the Diameter of the Sun
Ninth graders study the sun and its distance from Earth. In this Sun's diameter lesson plan students examine how measurement data permits accurate measurement of the sun's diameter.