Grade 6 - Science - Geology: Plate Tectonics

In Thing Explainer, the author uses line drawings and only the thousand (or, rather, "ten hundred") most common words to provide simple explanations for some of the most interesting stuff there is.

The ground beneath your feet is solid, right? After all, how could we build houses and bridges if the land was moving all the time? Actually, the ground beneath us really is moving very slowly all the time!

Discover what earthquakes are and how they are caused.

In 1912, German meteorologist Alfred Wegener proposed that the continents were once a single land mass but had slowly moved apart over millions of years. This fascinating book examines the scientific process behind Wegener's theory and how it challenged prevailing views of the time.