Try It

Now read the second section, “They Never Gave Up,” of the article, “Physics team that discovered new lightbulb wins Nobel Prize Opens a new window” Stop reading once you reach the end of this section, before the section called “Crystals Play a Big Role.” As you read, examine the text features, facts and quotations in the paragraph and see if you can determine the central idea of that section.

Tips for Finding Central Idea

  • Look for key details, including text features like subtitles. These are significant pieces of information or clues that can lead you to the central idea.
  • As you find key details, ask yourself, “What central idea do all the key details support or expand?” When you can answer this question, you have determined the central idea of the text.

After you finish reading, complete the activity below.