Argon is the current carrier in this discharge tube, while mercury is what produces the glow. pslawinski, wikipedia.org. Here's a list of chemical elements ordered by increasing atomic number. The names and element symbols are provided.
Journeys and Destinations. This unit for grades 2â3 uses an inquiry-based approach to investigate literature in an interdisciplinary, multicultural curriculum. The guiding theme of this unit is the recognition of change as a concept that affects people and their relationships to the world around them.
Rereading: âTime Trip: Sudanâs Civil Warâ (10 minutes) â¢ Ask students to get out the article âTime Trip: Sudanâs Civil Warâ (from Unit 1, Lesson 6). â¢ Point out that, as a class, they have been thinking about the challenges Salva and Nya face to survive in the novel.