The End of Everything: How the Universe Might Die (Parent Q&A)
This guide supports calm, accurate conversations about possible endings of the universe. Open Full Article...
big rip theory
The End of Everything: How the Universe Might Die (Lesson Plan)
This plan helps you teach the finished lesson without simply reading it aloud or repeating every paragraph. Open Full Article...
The End of Everything: How the Universe Might Die
How might the universe end? Scientists have proposed several possible answers to this fascinating, mind-bending question. Open Full Article...