The document provides instructional modifications for teachers to help second language learners. It suggests pre-teaching specialized vocabulary and having students keep personal glossaries. Teachers should use visual aids, hands-on activities, clear instructions with visuals, highlight key terms, simplify language, allow more time for responses and assignments, and provide dictionaries and tutoring support. When assessing students, tests should focus on content knowledge rather than language ability, use visuals, and allow more time to complete tests.