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.
Unit studies, sometimes called thematic units or integrated studies, are very popular with homeschoolers. Unit studies usually use a hands-on approach for effective learning. The child learns by actually experiencing or discovering through different methods and activities, rather than just reading a chapter from a textbook.