TEKS: Chapter 112. Science See All Teacher Resources

112.20.b.8

(8) Earth and space. The student knows characteristics of the universe. The student is expected to:

• (A) describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Herztsprung-Russell diagram for classification; 
• (B) recognize that the Sun is a medium-sized star located in a spiral arm of the Milky Way galaxy and that the Sun is many thousands of times closer to Earth than any other star; 
• (C) identify how different wavelengths of the electromagnetic spectrum such as visible light and radio waves are used to gain information about components in the universe; and 
• (D) research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe.