Curated OER
The 'Solar' System Past and Present
Students identify cardinal and intermediate directions, recognize that models changes due to new or improved observations and technology, identify the major characteristics of the planets including their positions in the solar system,...
Curated OER
Practical Illustrations of Astronomical Concepts Relating to the Solar System
Eighth graders are introduced to concepts related to the Solar System. In groups, they participate in an experiment in which they must describe a ray of light and how it travels. They draw a diagram of the electromagnetic spectrum and...
Curated OER
Eratosthenes
Students examine what Eratosthenes is and the history behind him. In this earth lesson students complete a hands on activity to repeat Eratosthenes' experiment.