Science.8.9.A

Previous Next
The student is expected to describe the life cycle of stars and compare and classify stars using the Hertzsprung-Russell diagram;
1666 TEKS header image

Knowledge and Skills Statement

Earth and space. The student describes the characteristics of the universe and the relative scale of its components.

a seven stage cycle that all stars follow: nebula, protostar, T-tauri phase, main sequence, red giant, fusion of heavier elements, supernovae or dwarf, and planetary nebula

Research

Riddle, Bob. “Star Chart.” Science Scope 41, no. 4 (2017): 96–99. http://www.jstor.org/stable/26387296

Summary: "Star Chart" explains how the Hertzsprung-Russell (HR) diagram shows the relationship between a star's luminosity and the spectral type (size and color). This article supports the teacher's understanding of the HR diagram.