Hertzsprung-Russell Diagrams

Grade 7Science45 min

Learning Objective

I can use an H-R diagram to classify stars and infer their properties, such as age and evolutionary stage.

Lesson Flow

Watch Video

5 min

Classification of Stars: Spectral Analysis and the H-R Diagram

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

A star has a high luminosity and a low temperature. On an H-R diagram, where would this star be located, and what type of star is it likely to be? A star is located on the main sequence and is very hot and luminous. What color is this star likely to be, and how does its size compare to that of our Sun?

Teacher Guide

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  • Answer keys for all questions
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