Memory Game Earth's SurfaceOnline version Match. by Patricia León Natural process. Earth movement Costa Rica has three plates. The earth's wear is called Erosion. Plate tectonics. Magma and lava Active and inactive volcanoes Caribbean Plate Cocos Plate Earth's Surface Arenal and Turrialba Magma and lava Nazca Plate Arenal and Turrialba Earth movement Erosion Volcanoes Cocos Plate Natural process. Earth's Surface Costa Rica has three plates. Nazca Plate Active and inactive volcanoes Plate tectonics. Wind, water and ice cause erosion. Erosion The earth's wear is called Erosion. Volcanoes Wind, water and ice cause erosion. Caribbean Plate