K12 Reader
Galileo and His Telescope
Readers are asked to identify how a key detail reveals the main idea of a paragraph about Galileo.
Curated OER
Is There Ice on Mercury?
In this ice on Mercury worksheet, students read about the data collected from the NASA Messenger and the Arecibo Radio Telescope indicating the possibility of ice on Mercury. Students solve 6 problems including finding the scale of the...
Curated OER
Collecting Electromagnetic Radiation
Students using different experiments and activities explore electromagnetic radiation and the effect on the Earth.