This document provides instructions for a mastery assignment on the 2004 tsunami in Sri Lanka. Students are asked to watch a video about the tsunami's impact and make a list of 10 facts, then write a paragraph using the facts. Alternatively, students can read an article about the tsunami, make a 10 fact list, and write a paragraph. The paragraph should have a topic sentence, 3 details sentences, and a conclusion. Students will submit their fact list and paragraph.