Curated OER
Extraterrestrials
Students discuss the possibility of intelligent life in space. In this space science lesson, students decipher a radio message electronically transmitted in space. They create their own extraterrestrial welcome greeting.
Curated OER
Extra Terrestial Excursions
Fourth graders determine how long it would take to fly to each of the planets in the solar system. They do two calculations: one, if they were using conventional jet, the other if they were using the fastest spacecraft possible.