Take it all the way back! Young scientists discover the changes that took place from the time Earth became solid to present day through an interesting interactive. The resource guides users through key events that have shaped our world...

Scholars take off on an interactive spaceship to explore a historical timeline of the big bang theory. They learn about the evolution of mammals and humans, the formation of stars and planets, and the chemical composition of the early...

Earth didn't always have oxygen, so what caused the change that allows humans to live here? Learn about the change in O2 levels throughout geological history through an interactive graph. Each section offers greater detail on the changes...

In this rainforest worksheet, learners watch a video of Prince Charles wanting to save the tropical rainforest and then fill in the blanks to sentences about the video. Students complete 12 sentences.

In this cosmic collision worksheet, students explore interactive online website to study about the dynamics of different galaxies. They write short answers to 8 questions that follow.