This document provides vocabulary and exercises related to natural disasters. It includes words like erupt, collapse, strike, and bury. There are matching, fill-in-the-blank, and sentence completion exercises about events like a terrible storm hitting a rural area in Vietnam, an earthquake destroying buildings, and a mudslide burying a village. The document also covers pronunciation of stressed syllables in words ending in -logy and -graphy like biology, ecology, and photography. Students practice identifying the stressed syllable and reading sentences with these words.