Unscramble Letters Earth's Moving Plates: Concept ScrambleOnline version Unscramble concepts about Earth's moving plates. by Catherine Calapit 1 A supercontinent that later broke apart to form today's landmasses. A P A N A G E 2 A scientist who proposed that continents drift across the globe. D N E E L E R F W E A R G 3 The gradual movement of Earth's landmasses relative to each other. T I E O R N I C D L A F T N N T 4 A theory that describes how rigid slabs move and interact. A C I L E N T P C S T O E T 5 A common educational tool used to illustrate Alfred Wegener's theory that continents were once connected in a supercontinent. Z I W G Z J E P A U S L