Lerner Publishing
Meet the Dinosaurs
Take your class of youngsters on a prehistoric adventure with this four-lesson series on dinosaurs. Accompanying the Meet the Dinosaurs books by Don Lessem, these lessons engage children in writing their own dinosaur books, making...
Howard Hughes Medical Institute
EarthViewer
Almost complete annihilation of the plants and animals on the Earth has occurred at least five times in the past. Young scientists explore each of these events. They learn about the evidence and conclusions for each event and connect...