Optics: : [op-tiks] - noun. A branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.Optics includes the study of sight. branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.
By 1924, the National Flag Conference, under the leadership of the American Legion and the Daughters of the American Revolution, changed the Pledge's words, 'my Flag,' to 'the Flag of the United States of America.'
1. Write each phrase of the Pledge of Allegiance on the board. 2. Lead students in a discussion of the meaning of each word or phrase. 3. Lead the students in reciting the Pledge of Allegiance. Lesson Script: The Pledge of Allegiance is something we like to say because it reminds us of the wonderful things about America. But, a lot of us say the Pledge and never stop to think about what it means. Today, letâs spend a few minutes learning about each part of the Pledge.