Your Saved Content
Tyrannosaurus Rex: King of the Dinosaurs
dinosaur
t-rex
paleontology
T-Rex was one of the largest meat-eating dinosaurs that ever lived. It had powerful jaws with 60 bone-crunching teeth!
How Volcanoes Work
volcano
geology
earth
Volcanoes are like Earth's safety valves. They erupt when molten rock, called magma, rises to the surface.